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The absorption of tetracycline, furosemide, penicillin G, hydrochlorothiazide, and gemfibrozil was significantly decreased when given simultaneously with colestipol hydrochloride;
tetracycline
colestipol hydrochloride
MECHANISM
Colestipol_ddi.xml
DDI-DrugBank.d345.s11
DDI-DrugBank.d345.s11.p4
Thus, concomitant administration of enoxacin and bismuth subsalicylate should be avoided.
enoxacin
bismuth subsalicylate
ADVISE
Enoxacin_ddi.xml
DDI-DrugBank.d395.s1
DDI-DrugBank.d395.s1.p0
Chlorotrianisene may interact with antidepressants, aspirin, barbiturates, bromocriptine, calcium supplements, corticosteroids, corticotropin, cyclosporine, dantrolene, nicotine, somatropin, tamoxifen, and warfarin.
Chlorotrianisene
warfarin
INT
Chlorotrianisene_ddi.xml
DDI-DrugBank.d446.s0
DDI-DrugBank.d446.s0.p12
Concomitant administration of other sympathomimetic agents may potentiate the undesirable effects of FORADIL.
sympathomimetic agents
FORADIL
EFFECT
Formoterol_ddi.xml
DDI-DrugBank.d103.s2
DDI-DrugBank.d103.s2.p0
Other drugs which may enhance the neuromuscular blocking action of nondepolarizing agents such as NIMBEX include certain antibiotics (e. g., aminoglycosides, tetracyclines, bacitracin, polymyxins, lincomycin, clindamycin, colistin, and sodium colistemethate), magnesium salts, lithium, local anesthetics, procainamide, and quinidine.
polymyxins
anesthetics
NONE
Cisatracurium Besylate_ddi.xml
DDI-DrugBank.d60.s12
DDI-DrugBank.d60.s12.p81
Acidifying agents: Gastrointestinal acidifying agents (guanethidine, reserpine, glutamic acid HCl, ascorbic acid, fruit juices, etc.) lower absorption of amphetamines.
glutamic acid HCl
amphetamines
MECHANISM
Dextroamphetamine_ddi.xml
DDI-DrugBank.d236.s0
DDI-DrugBank.d236.s0.p19
(Thiazides may decrease arterial responsiveness to norepinephrine.
Thiazides
norepinephrine
EFFECT
Hydroflumethiazide_ddi.xml
DDI-DrugBank.d17.s28
DDI-DrugBank.d17.s28.p0
Other drugs which may enhance the neuromuscular blocking action of nondepolarizing agents such as NIMBEX include certain antibiotics (e. g., aminoglycosides, tetracyclines, bacitracin, polymyxins, lincomycin, clindamycin, colistin, and sodium colistemethate), magnesium salts, lithium, local anesthetics, procainamide, and quinidine.
nondepolarizing agents
antibiotics
EFFECT
Cisatracurium Besylate_ddi.xml
DDI-DrugBank.d60.s12
DDI-DrugBank.d60.s12.p1
Particular caution is recommended when administering Gleevec with CYP3A4 substrates that have a narrow therapeutic window (e.g., cyclosporine or pimozide).
Gleevec
pimozide
ADVISE
Imatinib_ddi.xml
DDI-DrugBank.d115.s9
DDI-DrugBank.d115.s9.p1
Diphenhydramine hydrochloride has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc).
Diphenhydramine hydrochloride
CNS depressants
EFFECT
Diphenhydramine_ddi.xml
DDI-DrugBank.d296.s0
DDI-DrugBank.d296.s0.p1
Toxicology studies of heroin-related deaths reveal frequent involvement of other central nervous system depressants, including alcohol, benzodiazepines such as diazepam (Valium), and, to a rising degree, methadone.
heroin
methadone
EFFECT
Heroin_ddi.xml
DDI-DrugBank.d514.s2
DDI-DrugBank.d514.s2.p5
Agents that are CYP3A4 inhibitors that have been found, or are expected, to increase plasma levels of EQUETROTM are the following: Acetazolamide, azole antifungals, cimetidine, clarithromycin(1), dalfopristin, danazol, delavirdine, diltiazem, erythromycin(1), fluoxetine, fluvoxamine, grapefruit juice, isoniazid, itraconazole, ketoconazole, loratadine, nefazodone, niacinamide, nicotinamide, protease inhibitors, propoxyphene, quinine, quinupristin, troleandomycin, valproate(1), verapamil, zileuton.
niacinamide
valproate
NONE
Carbamazepine_ddi.xml
DDI-DrugBank.d94.s4
DDI-DrugBank.d94.s4.p312
Pyrazolone Derivatives (phenylbutazone, oxyphenbutazone, and possibly dipyrone): Concomitant administration with aspirin may increase the risk of gastrointestinal ulceration.
oxyphenbutazone
aspirin
EFFECT
Aspirin_ddi.xml
DDI-DrugBank.d443.s3
DDI-DrugBank.d443.s3.p8
Central Nervous System Depressants: The concomitant use of DURAGESIC (fentanyl transdermal system) with other central nervous system depressants, including but not limited to other opioids, sedatives, hypnotics, tranquilizers (e.g., benzodiazepines), general anesthetics, phenothiazines, skeletal muscle relaxants, and alcohol, may cause respiratory depression, hypotension, and profound sedation, or potentially result in coma or death.
fentanyl
tranquilizers
EFFECT
Fentanyl_ddi.xml
DDI-DrugBank.d170.s5
DDI-DrugBank.d170.s5.p27
Additive adverse effects resulting from cholinergic blockade may occur when LEVSIN is administered concomitantly with other antimuscarinics, amantadine, haloperidol, phenothiazines, monoamine oxidase (MAO) inhibitors, tricyclic antidepressants or some antihistamines.
LEVSIN
phenothiazines
EFFECT
Hyoscyamine_ddi.xml
DDI-DrugBank.d142.s0
DDI-DrugBank.d142.s0.p3
Avoid the use of preparations such as decongestants and local anesthetics which contain any sympathomimetic amine (e.g., epinephrine, norepinephrine), since it has been reported that tricyclic antidepressants can potentiate the effects of catecholamines.
anesthetics
tricyclic antidepressants
ADVISE
Imipramine_ddi.xml
DDI-DrugBank.d77.s2
DDI-DrugBank.d77.s2.p8
Phenothiazines - Taking piperazine and a phenothiazine together may increase the risk of convulsions (seizures).
Phenothiazines
phenothiazine
NONE
Piperazine_ddi.xml
DDI-DrugBank.d326.s0
DDI-DrugBank.d326.s0.p1
Nabilone should be administered with caution to patients who are taking other psychoactive drugs or CNS depressants, including alcohol, barbiturates and narcotic analgesics, or to those with a history of psychiatric disorder (including manic-depressive illness and schizophrenia).
Nabilone
alcohol
ADVISE
Nabilone_ddi.xml
DDI-DrugBank.d552.s0
DDI-DrugBank.d552.s0.p2
Serum lithium levels should be monitored frequently if INSPRA is administered concomitantly with lithium.
INSPRA
lithium
ADVISE
Eplerenone_ddi.xml
DDI-DrugBank.d20.s9
DDI-DrugBank.d20.s9.p2
Drugs that reportedly may increase oral anticoagulant response, ie, increased prothrombin response, in man include:alcohol*;allopurinol;aminosalicylic acid;amiodarone;anabolic steroids;antibiotics;bromelains;chloral hydrate*;chlorpropamide;chymotrypsin;cimetidine;cinchophen;clofibrate;dextran;dextrothyroxine;diazoxide;dietary deficiencies;diflunisal;disulfiram;drugs affecting blood elements;ethacrynic acid;fenoprofen;glucagon;hepatotoxic drugs;ibuprofen;indomethacin;influenza virus vaccine;inhalation anesthetics;mefenamic acid;methyldopa;methylphenidate;metronidazole;miconazole;monoamine oxidase inhibitors;nalidixic acid;naproxen;oxolinic acid;oxyphenbutazone;pentoxifylline;phenylbutazone;phenyramidol;phenytoin;prolonged hot weather;prolonged narcotics;pyrazolones;quinidine;quinine;ranitidine*;salicylates;sulfinpyrazone;sulfonamides, long acting;sulindac;thyroid drugs;tolbutamide;triclofos sodium;trimethoprim/sulfamethoxazole;unreliable prothrombin time determinations;warfarin sodium overdosage.
anticoagulant
pyrazolones
EFFECT
Anisindione_ddi.xml
DDI-DrugBank.d64.s87
DDI-DrugBank.d64.s87.p40
Agents that are CYP3A4 inhibitors that have been found, or are expected, to increase plasma levels of EQUETROTM are the following: Acetazolamide, azole antifungals, cimetidine, clarithromycin(1), dalfopristin, danazol, delavirdine, diltiazem, erythromycin(1), fluoxetine, fluvoxamine, grapefruit juice, isoniazid, itraconazole, ketoconazole, loratadine, nefazodone, niacinamide, nicotinamide, protease inhibitors, propoxyphene, quinine, quinupristin, troleandomycin, valproate(1), verapamil, zileuton.
cimetidine
nicotinamide
NONE
Carbamazepine_ddi.xml
DDI-DrugBank.d94.s4
DDI-DrugBank.d94.s4.p89
Concomitant use of barbiturates usually depresses griseofulvin activity and may necessitate raising the dosage.
barbiturates
griseofulvin
EFFECT
Griseofulvin_ddi.xml
DDI-DrugBank.d83.s1
DDI-DrugBank.d83.s1.p0
Clinical studies with celecoxib have identified potentially significant interactions with fluconazole and lithium.
celecoxib
fluconazole
INT
Celecoxib_ddi.xml
DDI-DrugBank.d172.s6
DDI-DrugBank.d172.s6.p0
Etonogestrel may interact with the following medications: acetaminophen (Tylenol), antibiotics such as ampicillin and tetracycline, anticonvulsants (Dilantin, Phenobarbital, Tegretol, Trileptal, Topamax, Felbatol), antifungals (Gris-PEG, Nizoral, Sporanox), atorvastatin (Lipitor), clofibrate (Atromid-S), cyclosporine (Neoral, Sandimmune), HIV drugs classified as protease inhibitors (Agenerase, Crixivan, Fortovase, Invirase, Kaletra, Norvir, Viracept), morphine (Astramorph, Kadian, MS Contin), phenylbutazone, prednisolone (Prelone), rifadin (rifampin), St. Johns wort, temazepam, theophylline (Theo-Dur), and vitamin C.
Etonogestrel
Tylenol
INT
Etonogestrel_ddi.xml
DDI-DrugBank.d484.s0
DDI-DrugBank.d484.s0.p1
Drugs that reportedly may increase oral anticoagulant response, ie, increased prothrombin response, in man include:alcohol*;allopurinol;aminosalicylic acid;amiodarone;anabolic steroids;antibiotics;bromelains;chloral hydrate*;chlorpropamide;chymotrypsin;cimetidine;cinchophen;clofibrate;dextran;dextrothyroxine;diazoxide;dietary deficiencies;diflunisal;disulfiram;drugs affecting blood elements;ethacrynic acid;fenoprofen;glucagon;hepatotoxic drugs;ibuprofen;indomethacin;influenza virus vaccine;inhalation anesthetics;mefenamic acid;methyldopa;methylphenidate;metronidazole;miconazole;monoamine oxidase inhibitors;nalidixic acid;naproxen;oxolinic acid;oxyphenbutazone;pentoxifylline;phenylbutazone;phenyramidol;phenytoin;prolonged hot weather;prolonged narcotics;pyrazolones;quinidine;quinine;ranitidine*;salicylates;sulfinpyrazone;sulfonamides, long acting;sulindac;thyroid drugs;tolbutamide;triclofos sodium;trimethoprim/sulfamethoxazole;unreliable prothrombin time determinations;warfarin sodium overdosage.
pentoxifylline
warfarin sodium
NONE
Anisindione_ddi.xml
DDI-DrugBank.d64.s87
DDI-DrugBank.d64.s87.p1331
This decrease in bioavailability was about 5% when gabapentin was administered 2 hours after Maalox.
gabapentin
Maalox
MECHANISM
Gabapentin_ddi.xml
DDI-DrugBank.d438.s38
DDI-DrugBank.d438.s38.p0
It is desirable to monitor TCAplasma levels whenever an agent of the tricyclic antidepressant class including Anafranil is going to be co-administered with another drug known to be an inhibitor of P450 2D6 (and/or P450 1A2).
TCA
Anafranil
NONE
Clomipramine_ddi.xml
DDI-DrugBank.d238.s23
DDI-DrugBank.d238.s23.p1
The following are examples of substances that may reduce the blood-glucose-lowering effect: corticosteroids, niacin, danazol, diuretics, sympathomimetic agents (e.g., epinephrine, salbutamol, terbutaline), isoniazid, phenothiazine derivatives, somatropin, thyroid hormones, estrogens, progestogens (e.g., in oral contraceptives).
isoniazid
thyroid hormones
NONE
Insulin recombinant_ddi.xml
DDI-DrugBank.d313.s2
DDI-DrugBank.d313.s2.p86
Amprenavir significantly decreases clearance of rifabutin and 25-O-desacetylrifabutin, and the combination is poorly tolerated.
Amprenavir
25-O-desacetylrifabutin
MECHANISM
11158747.xml
DDI-MedLine.d3.s14
DDI-MedLine.d3.s14.p1
The hypoglycemic action of sulfonylureas may be potentiated by certain drugs including nonsteroidal anti-inflammatory agents and other drugs that are highly protein bound, salicylates, sulfonamides, chloramphenicol, probenecid, coumarins, monoamine oxidase inhibitors, and beta adrenergic blocking agents.
sulfonylureas
chloramphenicol
EFFECT
Glibenclamide_ddi.xml
DDI-DrugBank.d178.s0
DDI-DrugBank.d178.s0.p3
Drugs which induce CYP3A4 activity (eg, phenobarbital, rifampin, rifabutin) would be expected to increase the clearance of efavirenz resulting in lowered plasma concentrations.
rifabutin
efavirenz
MECHANISM
Efavirenz_ddi.xml
DDI-DrugBank.d531.s5
DDI-DrugBank.d531.s5.p5
Other drugs which may enhance the neuromuscular blocking action of nondepolarizing agents such as NUROMAX include certain antibiotics (e. g., aminoglycosides, tetracyclines, bacitracin, polymyxins, lincomycin, clindamycin, colistin, and sodium colistimethate), magnesium salts, lithium, local anesthetics, procainamide, and quinidine.
NUROMAX
antibiotics
EFFECT
Doxacurium chloride_ddi.xml
DDI-DrugBank.d267.s5
DDI-DrugBank.d267.s5.p0
Antacids: Concomitant administration of aluminum and magnesium hydroxides does not interfere with absorption of meclofenamate sodium.
aluminum hydroxide
meclofenamate sodium
NONE
Meclofenamic acid_ddi.xml
DDI-DrugBank.d113.s7
DDI-DrugBank.d113.s7.p4
Flavoridin alone was found to have no effect on CAS, but can completely block contortrostatin-induced phosphorylation of this protein in MDA-MB-435 cells.
Flavoridin
contortrostatin
EFFECT
10978746.xml
DDI-MedLine.d69.s5
DDI-MedLine.d69.s5.p0
Protease Inhibitors: In vitro data indicate that indinavir and ritonavir markedly inhibit the metabolism of cisapride which can result in an increase in plasma cisapride levels and prolongation of the QT interval on the ECG.
ritonavir
cisapride
MECHANISM
Cisapride_ddi.xml
DDI-DrugBank.d237.s12
DDI-DrugBank.d237.s12.p7
Bentiromide may interact with acetaminophen (e.g., Tylenol), chloramphenicol (e.g., Chloromycetin), local anesthetics (e.g., benzocaine and lidocaine), para-aminobenzoic acid (PABA)-containing preparations (e.g., sunscreens and some multivitamins), procainamide (e.g., Pronestyl), sulfonamides (sulfa medicines), thiazide diuretics (use of these medicines during the test period will affect the test results), and pancreatic supplements (use of pancreatic supplements may give false test results).
anesthetics
procainamide
NONE
Bentiromide_ddi.xml
DDI-DrugBank.d537.s0
DDI-DrugBank.d537.s0.p65
Drugs that reportedly may increase oral anticoagulant response, ie, increased prothrombin response, in man include:alcohol*;allopurinol;aminosalicylic acid;amiodarone;anabolic steroids;antibiotics;bromelains;chloral hydrate*;chlorpropamide;chymotrypsin;cimetidine;cinchophen;clofibrate;dextran;dextrothyroxine;diazoxide;dietary deficiencies;diflunisal;disulfiram;drugs affecting blood elements;ethacrynic acid;fenoprofen;glucagon;hepatotoxic drugs;ibuprofen;indomethacin;influenza virus vaccine;inhalation anesthetics;mefenamic acid;methyldopa;methylphenidate;metronidazole;miconazole;monoamine oxidase inhibitors;nalidixic acid;naproxen;oxolinic acid;oxyphenbutazone;pentoxifylline;phenylbutazone;phenyramidol;phenytoin;prolonged hot weather;prolonged narcotics;pyrazolones;quinidine;quinine;ranitidine*;salicylates;sulfinpyrazone;sulfonamides, long acting;sulindac;thyroid drugs;tolbutamide;triclofos sodium;trimethoprim/sulfamethoxazole;unreliable prothrombin time determinations;warfarin sodium overdosage.
diflunisal
triclofos sodium
NONE
Anisindione_ddi.xml
DDI-DrugBank.d64.s87
DDI-DrugBank.d64.s87.p815
Coadministration with compounds that are potent inducers of CYP3A4 (eg, phenobarbital, phenytoin, dexamethasone, carbamazepine) may result in decreased plasma levels of saquinavir.
dexamethasone
saquinavir
MECHANISM
Saquinavir_ddi.xml
DDI-DrugBank.d124.s30
DDI-DrugBank.d124.s30.p8
Products containing calcium and other multivalent cations (such as aluminum, magnesium, iron) are likely to interfere with absorption of Ibandronate.
iron
Ibandronate
MECHANISM
Ibandronate_ddi.xml
DDI-DrugBank.d440.s1
DDI-DrugBank.d440.s1.p9
Concurrent use of butorphanol with central nervous system depressants (e.g., alcohol, barbiturates, tranquilizers, and antihistamines) may result in increased central nervous system depressant effects.
butorphanol
alcohol
EFFECT
Butorphanol_ddi.xml
DDI-DrugBank.d246.s0
DDI-DrugBank.d246.s0.p1
Certain drugs, including nonsteroidal anti-inflammatory agents (NSAIDs), salicylates, monoamine oxidase inhibitors, and non-selective beta-adrenergic-blocking agents may potentiate the hypoglycemic action of Starlix and other oral antidiabetic drugs.
salicylates
antidiabetic drugs
EFFECT
Nateglinide_ddi.xml
DDI-DrugBank.d460.s14
DDI-DrugBank.d460.s14.p14
Coadministration of single, oral doses of zaleplon with erythromycin (10 mg and 800 mg, respectively), a strong, selective CYP3A4 inhibitor produced a 34% increase in zaleplons maximal plasma concentrations and a 20% increase in the area under the plasma concentration-time curve.
zaleplon
erythromycin
MECHANISM
Zaleplon_ddi.xml
DDI-DrugBank.d324.s20
DDI-DrugBank.d324.s20.p0
- Phenothiazines (acetophenazine [e.g., Tindal], chlorpromazine [e.g., Thorazine], fluphenazine [e.g., Prolixin], mesoridazine [e.g., Serentil], perphenazine [e.g., Trilafon], prochlorperazine [e.g., Compazine], promazine [e.g., Sparine], promethazine [e.g., Phenergan], thioridazine [e.g., Mellaril], trifluoperazine [e.g., Stelazine], triflupromazine [e.g., Vesprin], trimeprazine [e.g., Temaril]) or
Sparine
trimeprazine
NONE
Sulfapyridine_ddi.xml
DDI-DrugBank.d179.s21
DDI-DrugBank.d179.s21.p253
At steady state, VIOXX 50 mg once daily had no effect on the anti-platelet activity of low-dose (81 mg once daily) aspirin, as assessed by ex vivo platelet aggregation and serum TXB2 generation in clotting blood.
VIOXX
aspirin
NONE
Rofecoxib_ddi.xml
DDI-DrugBank.d210.s6
DDI-DrugBank.d210.s6.p0
Drugs that reportedly may increase oral anticoagulant response, ie, increased prothrombin response, in man include:alcohol*;allopurinol;aminosalicylic acid;amiodarone;anabolic steroids;antibiotics;bromelains;chloral hydrate*;chlorpropamide;chymotrypsin;cimetidine;cinchophen;clofibrate;dextran;dextrothyroxine;diazoxide;dietary deficiencies;diflunisal;disulfiram;drugs affecting blood elements;ethacrynic acid;fenoprofen;glucagon;hepatotoxic drugs;ibuprofen;indomethacin;influenza virus vaccine;inhalation anesthetics;mefenamic acid;methyldopa;methylphenidate;metronidazole;miconazole;monoamine oxidase inhibitors;nalidixic acid;naproxen;oxolinic acid;oxyphenbutazone;pentoxifylline;phenylbutazone;phenyramidol;phenytoin;prolonged hot weather;prolonged narcotics;pyrazolones;quinidine;quinine;ranitidine*;salicylates;sulfinpyrazone;sulfonamides, long acting;sulindac;thyroid drugs;tolbutamide;triclofos sodium;trimethoprim/sulfamethoxazole;unreliable prothrombin time determinations;warfarin sodium overdosage.
antibiotics
tolbutamide
NONE
Anisindione_ddi.xml
DDI-DrugBank.d64.s87
DDI-DrugBank.d64.s87.p352
Ocupress should be used with caution in patients who are receiving a beta-adrenergic blocking agent orally because of the potential for additive effects on systemic beta-blockade.
Ocupress
beta-adrenergic blocking agent
ADVISE
Carteolol_ddi.xml
DDI-DrugBank.d502.s0
DDI-DrugBank.d502.s0.p0
Thyroid Physiology: The following agents may alter thyroid hormone or TSH levels, generally by effects on thyroid hormone synthesis, secretion, distribution, metabolism, hormone action, or elimination, or altered TSH secretion: aminoglutethimide, p-aminosalicylic acid, amiodarone, androgens and related anabolic hormones, complex anions (thiocyanate, perchlorate, pertechnetate), antithyroid drugs, b-adrenergic blocking agents, carbamazepine, chloral hydrate, diazepam, dopamine and dopamine agonists, ethionamide, glucocorticoids, heparin, hepatic enzyme inducers, insulin, iodinated cholestographic agents, iodine-containing compounds, levodopa, lovastatin, lithium, 6-mercaptopurine, metoclopramide, mitotane, nitroprusside, phenobarbital, phenytoin, resorcinol, rifampin, somatostatin analogs, sulfonamides, sulfonylureas, thiazide diuretics.
dopamine agonists
iodine-containing compounds
NONE
Levothyroxine_ddi.xml
DDI-DrugBank.d411.s4
DDI-DrugBank.d411.s4.p355
Anafranil should not be used with MAO inhibitors.
Anafranil
MAO inhibitors
ADVISE
Clomipramine_ddi.xml
DDI-DrugBank.d238.s2
DDI-DrugBank.d238.s2.p0
Starlix is a potential inhibitor of the CYP2C9 isoenzyme in vivo as indicated by its ability to inhibit the in vitro metabolism of tolbutamide.
Starlix
tolbutamide
MECHANISM
Nateglinide_ddi.xml
DDI-DrugBank.d460.s1
DDI-DrugBank.d460.s1.p0
Even so dextromethorphan plasma concentrations in the presence of high doses of valdecoxib were almost 5-fold lower than those seen in CYP 2D6 poor metabolizers suggesting that dose adjustment is not necessary.
dextromethorphan
valdecoxib
MECHANISM
Valdecoxib_ddi.xml
DDI-DrugBank.d328.s19
DDI-DrugBank.d328.s19.p0
Concomitant administration of diltiazem with carbamazepine has been reported to result in elevated serum levels of carbamazepine (40% to 72% increase), resulting in toxicity in some cases.
diltiazem
carbamazepine
MECHANISM
Diltiazem_ddi.xml
DDI-DrugBank.d565.s30
DDI-DrugBank.d565.s30.p0
Agents that have been found, or are expected to have decreased plasma levels in the presence of EQUETROTM due to induction of CYP enzymes are the following: Acetaminophen, alprazolam, amitriptyline, bupropion, buspirone, citalopram, clobazam, clonazepam, clozapine, cyclosporin, delavirdine, desipramine, diazepam, dicumarol, doxycycline, ethosuximide, felbamate, felodipine, glucocorticoids, haloperidol, itraconazole, lamotrigine, levothyroxine, lorazepam, methadone, midazolam, mirtazapine, nortriptyline, olanzapine, oral contraceptives(3), oxcarbazepine, Phenytoin(4), praziquantel, protease inhibitors, quetiapine, risperidone, theophylline, topiramate, tiagabine, tramadol, triazolam, valproate, warfarin(5) , ziprasidone, and zonisamide.
haloperidol
methadone
NONE
Carbamazepine_ddi.xml
DDI-DrugBank.d94.s11
DDI-DrugBank.d94.s11.p714
When ouabain was applied to the muscle in the presence of phentolamine, both first and second contractile responses to PTX were abolished.
ouabain
phentolamine
EFFECT
2857198.xml
DDI-MedLine.d56.s5
DDI-MedLine.d56.s5.p0
Haloperidol: Haloperidol blocks dopamine and norepinephrine reuptake, thus inhibiting the central stimulant effects of amphetamines.
Haloperidol
amphetamines
EFFECT
Dextroamphetamine_ddi.xml
DDI-DrugBank.d236.s18
DDI-DrugBank.d236.s18.p2
Avoid the use of preparations such as decongestants and local anesthetics which contain any sympathomimetic amine (e.g., epinephrine, norepinephrine), since it has been reported that tricyclic antidepressants can potentiate the effects of catecholamines.
norepinephrine
tricyclic antidepressants
ADVISE
Imipramine_ddi.xml
DDI-DrugBank.d77.s2
DDI-DrugBank.d77.s2.p14
Because there is a theoretical basis that these effects may be additive, use of ergotamine-containing or ergot-type medications (like dihydroergotamine or methysergide) and AXERT within 24 hours of each other should be avoided.
dihydroergotamine
AXERT
ADVISE
Almotriptan_ddi.xml
DDI-DrugBank.d299.s1
DDI-DrugBank.d299.s1.p8
RAPTIVA should not be used with other immunosuppressive drugs.
RAPTIVA
immunosuppressive drugs
ADVISE
Efalizumab_ddi.xml
DDI-DrugBank.d44.s1
DDI-DrugBank.d44.s1.p0
Patients receiving catecholamine-depleting drugs, such as reserpine or guanethidine, should be closely monitored, because the added beta-adrenergic blocking action of ZEBETA may produce excessive reduction of sympathetic activity.
reserpine
ZEBETA
EFFECT
Bisoprolol_ddi.xml
DDI-DrugBank.d476.s1
DDI-DrugBank.d476.s1.p1
The concurrent use of two or more drugs with anticholinergic activity--such as an antipsychotic drug (eg, chlorpromazine), an antiparkinsonian drug (eg, trihexyphenidyl), and/or a tricyclic antidepressant (eg, amitriptyline)--commonly results in excessive anticholinergic effects, including dry mouth and associated dental complications, blurred vision, and, in patients exposed to high temperature and humidity, hyperpyrexia.
antiparkinsonian drug
tricyclic antidepressant
EFFECT
Chlorpromazine_ddi.xml
DDI-DrugBank.d86.s0
DDI-DrugBank.d86.s0.p10
Additional iron significantly inhibited the absorption of cobalt in both dietary cobalt treatments.
iron
cobalt
MECHANISM
7599505.xml
DDI-MedLine.d34.s7
DDI-MedLine.d34.s7.p1
Other concomitant therapy Although specific interaction studies were not performed, finasteride doses of 1 mg or more were concomitantly used in clinical studies with acetaminophen, acetylsalicylic acid, a-blockers, analgesics, angiotensin-converting enzyme (ACE) inhibitors, anticonvulsants, benzodiazepines, beta blockers, calcium-channel blockers, cardiac nitrates, diuretics, H2 antagonists, HMG-CoA reductase inhibitors, prostaglandin synthetase inhibitors (also referred to as NSAIDs), and quinolone anti-infectives without evidence of clinically significant adverse interactions.
finasteride
HMG-CoA reductase inhibitors
NONE
Finasteride_ddi.xml
DDI-DrugBank.d209.s3
DDI-DrugBank.d209.s3.p11
Epinephrine may antagonize the neuron blockade produced by guanethidine resulting in decreased antihypertensive effect and requiring increased dosage of the latter.
Epinephrine
guanethidine
EFFECT
Epinephrine_ddi.xml
DDI-DrugBank.d247.s9
DDI-DrugBank.d247.s9.p0
Macrolide Antibiotics (e. g. erythromycin and troleandomycin): Agents of the ergot alkaloid class, of which D.H.E. 45 (dihydroergotamine mesylate) Injection, USP is a member, have been shown to interact with antibiotics of the macrolide class, resulting in increased plasma levels of unchanged alkaloids and peripheral vasoconstriction.
ergot alkaloid class
antibiotics
NONE
Dihydroergotamine_ddi.xml
DDI-DrugBank.d410.s5
DDI-DrugBank.d410.s5.p20
Conjugation at NaCMC with cysteine moieties significantly improves the intestinal permeation of the hydrophilic molecule NaFlu and the model peptide drugs bacitracin and insulin in vitro, therefore this conjugated system maybe useful for peroral administration of peptide drugs in the future.
NaFlu
insulin
NONE
11154900.xml
DDI-MedLine.d76.s10
DDI-MedLine.d76.s10.p8
Drugs that reportedly may increase oral anticoagulant response, ie, increased prothrombin response, in man include:alcohol*;allopurinol;aminosalicylic acid;amiodarone;anabolic steroids;antibiotics;bromelains;chloral hydrate*;chlorpropamide;chymotrypsin;cimetidine;cinchophen;clofibrate;dextran;dextrothyroxine;diazoxide;dietary deficiencies;diflunisal;disulfiram;drugs affecting blood elements;ethacrynic acid;fenoprofen;glucagon;hepatotoxic drugs;ibuprofen;indomethacin;influenza virus vaccine;inhalation anesthetics;mefenamic acid;methyldopa;methylphenidate;metronidazole;miconazole;monoamine oxidase inhibitors;nalidixic acid;naproxen;oxolinic acid;oxyphenbutazone;pentoxifylline;phenylbutazone;phenyramidol;phenytoin;prolonged hot weather;prolonged narcotics;pyrazolones;quinidine;quinine;ranitidine*;salicylates;sulfinpyrazone;sulfonamides, long acting;sulindac;thyroid drugs;tolbutamide;triclofos sodium;trimethoprim/sulfamethoxazole;unreliable prothrombin time determinations;warfarin sodium overdosage.
anticoagulant
thyroid drugs
EFFECT
Anisindione_ddi.xml
DDI-DrugBank.d64.s87
DDI-DrugBank.d64.s87.p48
Hypotension Patients on Diuretic Therapy: Patients on diuretics and especially those in whom diuretic therapy was recently instituted, as well as those on severe dietary salt restriction or dialysis, may occasionally experience a precipitous reduction of blood pressure usually within the first hour after receiving the initial dose of captopril.
diuretics
captopril
EFFECT
Captopril_ddi.xml
DDI-DrugBank.d175.s0
DDI-DrugBank.d175.s0.p4
Spontaneous reports of serotonin syndrome associated with co-administration of ZYVOX and serotonergic agents, including antidepressants such as selective serotonin reuptake inhibitors (SSRIs), have been reported.
ZYVOX
antidepressants
EFFECT
Linezolid_ddi.xml
DDI-DrugBank.d441.s6
DDI-DrugBank.d441.s6.p1
Catecholamine-depleting drugs (eg, reserpine) may have an additive effect when given with beta-blocking agents.
reserpine
beta-blocking agent
EFFECT
Atenolol_ddi.xml
DDI-DrugBank.d73.s0
DDI-DrugBank.d73.s0.p0
In separate single or multiple dose pharmacokinetic interaction studies with chlorthalidone, nifedipine, propanolol, hydrochlorothiazide, cimetidine, metoclopramide, propantheline, digoxin, and warfarin, the bioavailability of fosinoprilat was not altered by coadministration of fosinopril with any one of these drugs.
warfarin
fosinopril
NONE
Fosinopril_ddi.xml
DDI-DrugBank.d176.s12
DDI-DrugBank.d176.s12.p53
Furthermore, rifampin, phenytoin, phenobarbital, and other inducers of cytochrome P450 3A4 may cause a reduction in plasma bexarotene concentrations.
phenobarbital
bexarotene
MECHANISM
Bexarotene_ddi.xml
DDI-DrugBank.d467.s3
DDI-DrugBank.d467.s3.p5
When administered concurrently, the following drugs may interact with amphotericin B: Antineoplastic agents: may enhance the potential for renal toxicity, bronchospasm and hypotension.
amphotericin B
Antineoplastic agents
EFFECT
Amphotericin B_ddi.xml
DDI-DrugBank.d318.s0
DDI-DrugBank.d318.s0.p0
Interactions may also occur with the following: anti-depressants/anti-anxiety drugs, drugs used to treat an overactive thyroid, beta-blockers (e.g., propranolol), sparfloxacin, grepafloxacin, guanethidine, guanadrel, metrizamide, cabergoline, lithium, narcotic pain medication (e.g., codeine), drugs used to aid sleep, drowsiness-causing antihistamines (e.g., diphenhydramine), any other drugs that may make you drowsy.
grepafloxacin
codeine
NONE
Chlorpromazine_ddi.xml
DDI-DrugBank.d86.s1
DDI-DrugBank.d86.s1.p66
In vitro studies have shown that the metabolism of docetaxel may be modified by the concomitant administration of compounds that induce, inhibit, or are metabolized by cytochrome P450 3A4, such as cyclosporine, terfenadine, ketoconazole, erythromycin, and troleandomycin.
docetaxel
terfenadine
MECHANISM
Docetaxel_ddi.xml
DDI-DrugBank.d371.s1
DDI-DrugBank.d371.s1.p1
Administration of non-steroidal anti-inflammatory drugs concomitantly with cyclosporine has been associated with an increase in cyclosporine-induced toxicity, possibly due to decreased synthesis of renal prostacyclin.
non-steroidal anti-inflammatory drugs
cyclosporine
EFFECT
Indomethacin_ddi.xml
DDI-DrugBank.d82.s14
DDI-DrugBank.d82.s14.p0
Concomitant medications were grouped as ACE inhibitors, oral anticoagulants, calcium channel blockers, beta blockers, cardiac glycosides, inducers of CYP3A4, substrates and inhibitors of CYP3A4, substrates and inhibitors of P-glycoprotein, nitrates, sulphonylureas, loop diuretics, potassium sparing diuretics, thiazide diuretics, substrates and inhibitors of tubular organic cation transport, and QTc-prolonging drugs.
ACE inhibitors
beta blockers
NONE
Dofetilide_ddi.xml
DDI-DrugBank.d558.s35
DDI-DrugBank.d558.s35.p2
If a patient requires TIKOSYN and anti-ulcer therapy, it is suggested that omeprazole, ranitidine, or antacids (aluminum and magnesium hydroxides) be used as alternatives to cimetidine, as these agents have no effect on the pharmacokinetic profile of TIKOSYN.
magnesium hydroxide
TIKOSYN
NONE
Dofetilide_ddi.xml
DDI-DrugBank.d558.s5
DDI-DrugBank.d558.s5.p34
Probenecid : Probenecid is known to interact with the metabolism or renal tubular excretion of many drugs (e.g., acetaminophen, acyclovir, angiotensin-converting enzyme inhibitors, aminosalicylic acid, barbiturates, benzodiazepines, bumetanide, clofibrate, methotrexate, famotidine, furosemide, nonsteroidal anti-inflammatory agents, theophylline, and zidovudine).
aminosalicylic acid
furosemide
NONE
Cidofovir_ddi.xml
DDI-DrugBank.d260.s0
DDI-DrugBank.d260.s0.p71
Since INVIRASE is coadministered with ritonavir, the ritonavir label should be reviewed for additional drugs that should not be coadministered.
INVIRASE
ritonavir
ADVISE
Saquinavir_ddi.xml
DDI-DrugBank.d124.s28
DDI-DrugBank.d124.s28.p0
Drugs that reportedly may increase oral anticoagulant response, ie, increased prothrombin response, in man include:alcohol*;allopurinol;aminosalicylic acid;amiodarone;anabolic steroids;antibiotics;bromelains;chloral hydrate*;chlorpropamide;chymotrypsin;cimetidine;cinchophen;clofibrate;dextran;dextrothyroxine;diazoxide;dietary deficiencies;diflunisal;disulfiram;drugs affecting blood elements;ethacrynic acid;fenoprofen;glucagon;hepatotoxic drugs;ibuprofen;indomethacin;influenza virus vaccine;inhalation anesthetics;mefenamic acid;methyldopa;methylphenidate;metronidazole;miconazole;monoamine oxidase inhibitors;nalidixic acid;naproxen;oxolinic acid;oxyphenbutazone;pentoxifylline;phenylbutazone;phenyramidol;phenytoin;prolonged hot weather;prolonged narcotics;pyrazolones;quinidine;quinine;ranitidine*;salicylates;sulfinpyrazone;sulfonamides, long acting;sulindac;thyroid drugs;tolbutamide;triclofos sodium;trimethoprim/sulfamethoxazole;unreliable prothrombin time determinations;warfarin sodium overdosage.
anticoagulant
anabolic steroids
EFFECT
Anisindione_ddi.xml
DDI-DrugBank.d64.s87
DDI-DrugBank.d64.s87.p4
Magnesium- and/or aluminum-containing antacids, products containing ferrous sulfate (iron), multivitamin preparations containing zinc or other metal cations, or Videx (didanosine) chewable/buffered tablets or the pediatric powder for oral solution should not be taken within 3 hours before or 2 hours after FACTIVE.
multivitamin preparations
FACTIVE
ADVISE
Gemifloxacin_ddi.xml
DDI-DrugBank.d347.s7
DDI-DrugBank.d347.s7.p38
In separate studies of patients receiving maintenance doses of warfarin, hydrochlorothiazide, or digoxin, irbesartan administration for 7 days had no effect on the pharmacodynamics of warfarin (prothrombin time) or pharmacokinetics of digoxin.
warfarin
digoxin
NONE
Irbesartan_ddi.xml
DDI-DrugBank.d27.s4
DDI-DrugBank.d27.s4.p1
Because there is a theoretical basis that these effects may be additive, use of ergotamine-containing or ergot-type medications (like dihydroergotamine or methysergide) and naratriptan within 24 hours is contraindicated.
ergotamine
naratriptan
ADVISE
Naratriptan_ddi.xml
DDI-DrugBank.d478.s1
DDI-DrugBank.d478.s1.p3
Increases in prothrombin time have been noted in patients receiving long- term warfarin therapy after flutamide was initiated.
warfarin
flutamide
EFFECT
Flutamide_ddi.xml
DDI-DrugBank.d442.s0
DDI-DrugBank.d442.s0.p0
When used in therapeutic doses, azithromycin had a modest effect on the pharmacokinetics of atorvastatin, carbamazepine, cetirizine, didanosine, efavirenz, fluconazole, indinavir, midazolam, rifabutin, sildenafil, theophylline (intravenous and oral), triazolam, trimethoprim/sulfamethoxazole or zidovudine.
didanosine
sulfamethoxazole
NONE
Azithromycin_ddi.xml
DDI-DrugBank.d53.s7
DDI-DrugBank.d53.s7.p63
Use of Cerubidine in a patient who has previously received doxorubicin increases the risk of cardiotoxicity.
Cerubidine
doxorubicin
EFFECT
Daunorubicin_ddi.xml
DDI-DrugBank.d69.s0
DDI-DrugBank.d69.s0.p0
The following are examples of substances that may increase the blood-glucose-lowering effect and susceptibility to hypoglycemia: oral antidiabetic products, ACE inhibitors, disopyramide, fibrates, fluoxetine, monoamine oxidase (MAO) inhibitors, propoxyphene, salicylates, somatostatin analog (e.g., octreotide), sulfonamide antibiotics.
fluoxetine
monoamine oxidase (MAO) inhibitors
NONE
Insulin recombinant_ddi.xml
DDI-DrugBank.d313.s1
DDI-DrugBank.d313.s1.p34
Barbiturates, carbamazepine, and phenytoin decrease the half-life of doxycycline.
carbamazepine
doxycycline
MECHANISM
Doxycycline_ddi.xml
DDI-DrugBank.d500.s4
DDI-DrugBank.d500.s4.p4
Therefore, co-administration of Duloxetine with other drugs that are extensively metabolized by this isozyme and which have a narrow therapeutic index, including certain antidepressants (tricyclic antidepressants [TCAs], such as nortriptyline, amitriptyline, and imipramine), phenothiazines and Type 1C antiarrhythmics (e.g., propafenone, flecainide), should be approached with caution.
antidepressants
flecainide
NONE
Duloxetine_ddi.xml
DDI-DrugBank.d548.s9
DDI-DrugBank.d548.s9.p18
Etonogestrel may interact with the following medications: acetaminophen (Tylenol), antibiotics such as ampicillin and tetracycline, anticonvulsants (Dilantin, Phenobarbital, Tegretol, Trileptal, Topamax, Felbatol), antifungals (Gris-PEG, Nizoral, Sporanox), atorvastatin (Lipitor), clofibrate (Atromid-S), cyclosporine (Neoral, Sandimmune), HIV drugs classified as protease inhibitors (Agenerase, Crixivan, Fortovase, Invirase, Kaletra, Norvir, Viracept), morphine (Astramorph, Kadian, MS Contin), phenylbutazone, prednisolone (Prelone), rifadin (rifampin), St. Johns wort, temazepam, theophylline (Theo-Dur), and vitamin C.
Etonogestrel
Neoral
INT
Etonogestrel_ddi.xml
DDI-DrugBank.d484.s0
DDI-DrugBank.d484.s0.p21
In addition to bleeding associated with heparin and vitamin K antagonists, drugs that alter platelet function (such as acetylsalicylic acid, dipyridamole and Abciximab) may increase the risk of bleeding if administered prior to, during, or after Activase therapy.
dipyridamole
Activase
EFFECT
Alteplase_ddi.xml
DDI-DrugBank.d508.s1
DDI-DrugBank.d508.s1.p13
acetaminophen/theophylline, lidocaine/quinidine, phenobarbital/acetaminophen, phenobarbital/valproic acid, quinidine/lidocaine, theophylline/acetaminophen, and valproic acid/phenobarbital.
acetaminophen
theophylline
NONE
11206047.xml
DDI-MedLine.d111.s5
DDI-MedLine.d111.s5.p0
The concomitant use of transdermal fentanyl with ritonavir or other potent 3A4 inhibitors such as ketoconazole, itraconazole, troleandomycin, clarithromycin, nelfinavir, and nefazadone may result in an increase in fentanyl plasma concentrations.
fentanyl
nelfinavir
MECHANISM
Fentanyl_ddi.xml
DDI-DrugBank.d170.s2
DDI-DrugBank.d170.s2.p5
A rare, but serious, constellation of symptoms, termed serotonin syndrome, has been reported with the concomitant use of selective serotonin reuptake inhibitors (SSRIs) and agents for migraine therapy, such as Imitrex (sumatriptan succinate) and dihydroergotamine.
selective serotonin reuptake inhibitors
Imitrex
EFFECT
Dexfenfluramine_ddi.xml
DDI-DrugBank.d423.s4
DDI-DrugBank.d423.s4.p1
Drugs that reportedly may increase oral anticoagulant response, ie, increased prothrombin response, in man include:alcohol*;allopurinol;aminosalicylic acid;amiodarone;anabolic steroids;antibiotics;bromelains;chloral hydrate*;chlorpropamide;chymotrypsin;cimetidine;cinchophen;clofibrate;dextran;dextrothyroxine;diazoxide;dietary deficiencies;diflunisal;disulfiram;drugs affecting blood elements;ethacrynic acid;fenoprofen;glucagon;hepatotoxic drugs;ibuprofen;indomethacin;influenza virus vaccine;inhalation anesthetics;mefenamic acid;methyldopa;methylphenidate;metronidazole;miconazole;monoamine oxidase inhibitors;nalidixic acid;naproxen;oxolinic acid;oxyphenbutazone;pentoxifylline;phenylbutazone;phenyramidol;phenytoin;prolonged hot weather;prolonged narcotics;pyrazolones;quinidine;quinine;ranitidine*;salicylates;sulfinpyrazone;sulfonamides, long acting;sulindac;thyroid drugs;tolbutamide;triclofos sodium;trimethoprim/sulfamethoxazole;unreliable prothrombin time determinations;warfarin sodium overdosage.
anticoagulant
oxyphenbutazone
EFFECT
Anisindione_ddi.xml
DDI-DrugBank.d64.s87
DDI-DrugBank.d64.s87.p34
Antacids containing magnesium trisilicate, when administered concomitantly with nitrofurantoin, reduce both the rate and extent of absorption.
magnesium trisilicate
nitrofurantoin
MECHANISM
Nitrofurantoin_ddi.xml
DDI-DrugBank.d276.s0
DDI-DrugBank.d276.s0.p2
- Methotrexate (e.g., Mexate) Use of methotrexate with sulfapyridine may increase the chance of side effects affecting the liver and/or the side effects of methotrexate
methotrexate
sulfapyridine
EFFECT
Sulfapyridine_ddi.xml
DDI-DrugBank.d179.s38
DDI-DrugBank.d179.s38.p7
Quinidine, verapamil, amiodarone, propafenone, indomethacin, itraconazole, alprazolam, and spironolactone raise the serum digoxin concentration due to a reduction in clearance and/or in volume of distribution of the drug, with the implication that digitalis intoxication may result.
amiodarone
digoxin
MECHANISM
Digoxin_ddi.xml
DDI-DrugBank.d450.s2
DDI-DrugBank.d450.s2.p22
Drug Interactions: The central anticholinergic syndrome can occur when anticholinergic agents such as AKINETON are administered concomitantly with drugs that have secondary anticholinergic actions, e.g., certain narcotic analgesics such as meperidine, the phenothiazines and other antipsychotics, tricyclic antidepressants, certain antiarrhythmics such as the quinidine salts, and antihistamines.
narcotic analgesics
meperidine
NONE
Biperiden_ddi.xml
DDI-DrugBank.d401.s0
DDI-DrugBank.d401.s0.p17
Agents that are CYP3A4 inhibitors that have been found, or are expected, to increase plasma levels of EQUETROTM are the following: Acetazolamide, azole antifungals, cimetidine, clarithromycin(1), dalfopristin, danazol, delavirdine, diltiazem, erythromycin(1), fluoxetine, fluvoxamine, grapefruit juice, isoniazid, itraconazole, ketoconazole, loratadine, nefazodone, niacinamide, nicotinamide, protease inhibitors, propoxyphene, quinine, quinupristin, troleandomycin, valproate(1), verapamil, zileuton.
dalfopristin
isoniazid
NONE
Carbamazepine_ddi.xml
DDI-DrugBank.d94.s4
DDI-DrugBank.d94.s4.p126
Consequently, estazolam should be avoided in patients receiving ketoconazole and itraconazole, which are very potent inhibitors of CYP3A.
estazolam
ketoconazole
ADVISE
Estazolam_ddi.xml
DDI-DrugBank.d338.s6
DDI-DrugBank.d338.s6.p0