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The extent to which SSRI-TCA interactions may pose clinical problems will depend on the degree of inhibition, and the pharmacokinetics of the SSRI involved.
SSRI
TCA
INT
Imipramine_ddi.xml
DDI-DrugBank.d77.s16
DDI-DrugBank.d77.s16.p0
Median gastric pH was significantly higher when indinavir was taken after didanosine administration;
indinavir
didanosine
MECHANISM
11120981.xml
DDI-MedLine.d79.s3
DDI-MedLine.d79.s3.p0
Combined treatment with 1,25(OH)2D3 and TAM enhances the degree of apoptosis assessed using morphological markers that identify chromatin and nuclear matrix protein condensation.
1,25(OH)2D3
TAM
EFFECT
7654327.xml
DDI-MedLine.d53.s5
DDI-MedLine.d53.s5.p0
In a multiple-dose study, enoxacin caused a dose-related increase in the mean elimination half-life of caffeine, thereby decreasing the clearance of caffeine by up to 80% and leading to a five-fold increase in the AUC and the half-life of caffeine.
enoxacin
caffeine
MECHANISM
Enoxacin_ddi.xml
DDI-DrugBank.d395.s3
DDI-DrugBank.d395.s3.p0
To evaluate the impact of chemotherapy plus HAART on the clinical course of patients with HIV-related, systemic, non-Hodgkin lymphoma (HIV-NHL), the authors compared retrospectively a group of 24 patients with HIV-NHL who were treated with the cyclophosphamide, doxorubicin, vincristine, and prednisone (CHOP) chemotherapy regimen plus HAART with a group of 80 patients who were treated with CHOP chemotherapy or a CHOP-like regimen (i.e., cyclophosphamide, doxorubicin, teniposide, and prednisone with vincristine plus bleomycin) without receiving antiretroviral therapy.
vincristine
bleomycin
NONE
11148572.xml
DDI-MedLine.d115.s2
DDI-MedLine.d115.s2.p25
Platelet inhibitors: Drugs such as acetylsalicylic acid, dextran, phenylbutazone, ibuprofen, indomethacin, dipyridamole, hydroxychloroquine and others that interfere with platelet-aggregation reactions (the main hemostatic defense of heparinized patients) may induce bleeding and should be used with caution in patients receiving heparin sodium.
dipyridamole
heparin sodium
EFFECT
Heparin_ddi.xml
DDI-DrugBank.d488.s2
DDI-DrugBank.d488.s2.p34
Ethinyl Estradiol and Norethindrone: Coadministration of VIRACEPT with OVCON-35 resulted in a 47% decrease in ethinyl estradiol and an 18% decrease in norethindrone plasma concentrations.
VIRACEPT
OVCON-35
MECHANISM
Nelfinavir_ddi.xml
DDI-DrugBank.d340.s35
DDI-DrugBank.d340.s35.p9
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.
glucocorticoids
sulfonamides
NONE
Levothyroxine_ddi.xml
DDI-DrugBank.d411.s4
DDI-DrugBank.d411.s4.p405
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.
praziquantel
topiramate
NONE
Carbamazepine_ddi.xml
DDI-DrugBank.d94.s11
DDI-DrugBank.d94.s11.p961
Interactions with Other CNS Agents: Concurrent use of Levo-Dromoran with all central nervous system depressants (eg, alcohol, sedatives, hypnotics, other opioids, general anesthetics, barbiturates, tricyclic antidepressants, phenothiazines, tranquilizers, skeletal muscle relaxants and antihistamines) may result in additive central nervous system depressant effects.
Levo-Dromoran
anesthetics
EFFECT
Levorphanol_ddi.xml
DDI-DrugBank.d257.s0
DDI-DrugBank.d257.s0.p5
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.
propoxyphene
salicylates
NONE
Insulin recombinant_ddi.xml
DDI-DrugBank.d313.s1
DDI-DrugBank.d313.s1.p45
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.
NIMBEX
polymyxins
EFFECT
Cisatracurium Besylate_ddi.xml
DDI-DrugBank.d60.s12
DDI-DrugBank.d60.s12.p19
Aspirin: As with other NSAIDs, concomitant administration of Ponstel and aspirin is not generally recommended because of the potential of increased adverse effects.
NSAIDs
aspirin
ADVISE
Mefenamic acid_ddi.xml
DDI-DrugBank.d400.s0
DDI-DrugBank.d400.s0.p4
Anticonvulsants (Phenytoin): Steady state plasma exposure (AUC) of valdecoxib (40 mg BID for 12 days) was decreased by 27% when co-administered with multiple doses (300 mg QD for 12 days) of phenytoin (a CYP 3A4 inducer).
valdecoxib
phenytoin
MECHANISM
Valdecoxib_ddi.xml
DDI-DrugBank.d328.s12
DDI-DrugBank.d328.s12.p5
Cholestyramine resin may delay or reduce the absorption of concomitant oral medication such as phenylbutazone, warfarin, thiazide diuretics (acidic) or propranolol (basic), as well as tetracycline penicillin G, phenobarbital, thyroid and thyroxine preparations, estrogens and progestins, and digitalis.
Cholestyramine
estrogens
MECHANISM
Cholestyramine_ddi.xml
DDI-DrugBank.d566.s0
DDI-DrugBank.d566.s0.p9
Agents that are CYP inducers that have been found, or are expected, to decrease plasma levels of EQUETROTM are the following: Cisplatin, doxorubicin HCL, felbamate, rifampin, phenobarbital, Phenytoin(2), primidone, methsuximide, and theophylline Thus, if a patient has been titrated to a stable dosage on EQUETROTM, and then begins a course of treatment with one of these CYP3A4 inducers, it is reasonable to expect that a dose increase for EQUETROTM may be necessary.
felbamate
Phenytoin
NONE
Carbamazepine_ddi.xml
DDI-DrugBank.d94.s8
DDI-DrugBank.d94.s8.p32
Administration of reserpine during therapy with a tricyclic antidepressant has been shown to produce a stimulating effect in some depressed patients.
reserpine
tricyclic antidepressant
EFFECT
Nortriptyline_ddi.xml
DDI-DrugBank.d202.s8
DDI-DrugBank.d202.s8.p0
When used concomitantly, anesthetics and calcium channel blockers should be titrated carefully.
anesthetics
calcium channel blockers
ADVISE
Diltiazem_ddi.xml
DDI-DrugBank.d565.s23
DDI-DrugBank.d565.s23.p0
Therefore, CYP3A4 substrates known to have a narrow therapeutic index such as alfentanil, astemizole, terfenadine, cisapride, cyclosporine, fentanyl, pimozide, quinidine, sirolimus, tacrolimus, or ergot alkaloids (ergotamine, dihydroergotamine) should be administered with caution in patients receiving SPRYCEL.
tacrolimus
ergot alkaloids
NONE
Dasatinib_ddi.xml
DDI-DrugBank.d48.s15
DDI-DrugBank.d48.s15.p81
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.
AKINETON
antiarrhythmics
EFFECT
Biperiden_ddi.xml
DDI-DrugBank.d401.s0
DDI-DrugBank.d401.s0.p14
A potential interaction between oral miconazole and oral hypoglycemic agents leading to severe hypoglycemia has been reported.
miconazole
hypoglycemic agents
INT
Glipizide_ddi.xml
DDI-DrugBank.d225.s9
DDI-DrugBank.d225.s9.p0
Caution should be used when administering or taking TARCEVA with ketoconazole and other strong CYP3A4 inhibitors such as, but not limited to, atazanavir, clarithromycin, indinavir, itraconazole, nefazodone, nelfinavir, ritonavir, saquinavir, telithromycin, troleandomycin (TAO), and voriconazole .
TARCEVA
voriconazole
ADVISE
Erlotinib_ddi.xml
DDI-DrugBank.d456.s1
DDI-DrugBank.d456.s1.p12
Capsules INDOCIN 50 mg t.i.d. produced a clinically relevant elevation of plasma lithium and reduction in renal lithium clearance in psychiatric patients and normal subjects with steady state plasma lithium concentrations.
INDOCIN
lithium
MECHANISM
Indomethacin_ddi.xml
DDI-DrugBank.d82.s16
DDI-DrugBank.d82.s16.p0
Drugs That Should Not Be Coadministered With VIRACEPT Antiarrhythmics: amiodarone, quinidine Antihistamines: astemizole, terfenadine Antimigraine: ergot derivatives Antimycobacterial agents: rifampin Benzodiazepines midazolam, triazolam GI motility agents: cisapride
VIRACEPT
midazolam
ADVISE
Nelfinavir_ddi.xml
DDI-DrugBank.d340.s6
DDI-DrugBank.d340.s6.p10
Multivalent Cation-Containing Products: Concurrent administration of a quinolone, including ciprofloxacin, with multivalent cation-containing products such as magnesium or aluminum antacids, sucralfate, VIDEX chewable/buffered tablets or pediatric powder, or products containing calcium, iron, or zinc may substantially decrease the absorption of ciprofloxacin, resulting in serum and urine levels considerably lower than desired.
ciprofloxacin
ciprofloxacin
MECHANISM
Ciprofloxacin_ddi.xml
DDI-DrugBank.d123.s8
DDI-DrugBank.d123.s8.p18
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.
dextrothyroxine
anesthetics
NONE
Anisindione_ddi.xml
DDI-DrugBank.d64.s87
DDI-DrugBank.d64.s87.p714
- a sulfa-based drug such as sulfamethoxazole-trimethoprim (Bactrim, Septra), sulfisoxazole (Gantrisin), or sulfasalazine (Azulfidine);
Septra
Gantrisin
NONE
Glimepiride_ddi.xml
DDI-DrugBank.d521.s3
DDI-DrugBank.d521.s3.p19
Phenobarbital: Coadministration of felbamate with phenobarbital causes an increase in phenobarbital plasma concentrations, In 12 otherwise healthy male volunteers ingesting phenobarbital, the steady-state trough (Cmin) phenobarbital concentration was 14.2 micrograms/mL.
Phenobarbital
felbamate
NONE
Felbamate_ddi.xml
DDI-DrugBank.d434.s28
DDI-DrugBank.d434.s28.p0
These increased exposures of norethindrone and ethinyl estradiol should be taken into consideration when selecting an oral contraceptive for women taking valdecoxib.
contraceptive
valdecoxib
ADVISE
Valdecoxib_ddi.xml
DDI-DrugBank.d328.s46
DDI-DrugBank.d328.s46.p5
Thus, the results suggest that cypermethrin exposure of rats results in free radical-mediated tissue damage, as indicated by elevated cerebral and hepatic lipid peroxidation, which was prevented by allopurinol and Vitamin E.
cypermethrin
Vitamin E
EFFECT
11137320.xml
DDI-MedLine.d126.s7
DDI-MedLine.d126.s7.p1
The administration of local anesthetic solutions containing epinephrine or norepinephrine to patients receiving monoamine oxidase inhibitors or tricyclic antidepressants may produce severe, prolonged hypertension.
norepinephrine
tricyclic antidepressants
EFFECT
Bupivacaine_ddi.xml
DDI-DrugBank.d153.s0
DDI-DrugBank.d153.s0.p8
Other strong inhibitors of CYP3A4 (e.g., itraconazole, clarithromycin, nefazodone, troleandomycin, ritonavir, nelfinavir) would be expected to behave similarly.
clarithromycin
troleandomycin
NONE
Eszopiclone_ddi.xml
DDI-DrugBank.d216.s9
DDI-DrugBank.d216.s9.p6
Anesthetics/Sedatives/Hypnotics/Opioids: Co-administration of PRECEDEX with anesthetics, sedatives, hypnotics, and opioids is likely to lead to an enhancement of effects.
PRECEDEX
hypnotics
EFFECT
Dexmedetomidine_ddi.xml
DDI-DrugBank.d197.s1
DDI-DrugBank.d197.s1.p28
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.
influenza virus vaccine
sulfinpyrazone
NONE
Anisindione_ddi.xml
DDI-DrugBank.d64.s87
DDI-DrugBank.d64.s87.p1041
Concurrent administration of oxyphenbutazone and androgens may result in elevated serum levels of oxyphenbutazone.
oxyphenbutazone
androgens
MECHANISM
Dromostanolone_ddi.xml
DDI-DrugBank.d129.s2
DDI-DrugBank.d129.s2.p0
cimetidine) and many that are substrates for P450 2D6 (many other antidepressants, phenothiazines, and the Type 1C antiarrhythmics propafenone and flecainide).
antidepressants
phenothiazines
NONE
Amitriptyline_ddi.xml
DDI-DrugBank.d99.s7
DDI-DrugBank.d99.s7.p5
In normal volunteers receiving indomethacin, the administration of diflunisal decreased the renal clearance and significantly increased the plasma levels of indomethacin.
diflunisal
indomethacin
MECHANISM
Indomethacin_ddi.xml
DDI-DrugBank.d82.s0
DDI-DrugBank.d82.s0.p2
Anti-arrhythmics and tricyclic anti-depressants could exaggerate the prolongation of the QT interval observed with bepridil hydrochloride.
tricyclic anti-depressants
bepridil hydrochloride
EFFECT
Bepridil_ddi.xml
DDI-DrugBank.d137.s10
DDI-DrugBank.d137.s10.p2
If additional adrenergic drugs are to be administered by any route, they should be used with caution because the pharmacologically predictable sympathetic effects of BROVANA may be potentiated.
adrenergic drugs
BROVANA
ADVISE
Arformoterol_ddi.xml
DDI-DrugBank.d284.s0
DDI-DrugBank.d284.s0.p0
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).
terbutaline
estrogens
NONE
Insulin recombinant_ddi.xml
DDI-DrugBank.d313.s2
DDI-DrugBank.d313.s2.p81
In case of theophylline toxicity and/or elevated serum theophylline levels, the dose of theophylline should be reduced while the patient is receiving concomitant erythromycin therapy.
theophylline
erythromycin
ADVISE
Erythromycin_ddi.xml
DDI-DrugBank.d397.s1
DDI-DrugBank.d397.s1.p5
Tricyclic antidepressants (amitriptyline, imipramine, nortriptyline): Metabolism may be inhibited by combination hormonal contraceptives, increasing plasma levels of antidepressant;
nortriptyline
combination hormonal contraceptives
MECHANISM
Ethynodiol Diacetate_ddi.xml
DDI-DrugBank.d485.s41
DDI-DrugBank.d485.s41.p12
Inducers and Inhibitors of Hepatic Metabolism: Rifampin reduced plasma concentrations of carvedilol by about 70%.
Rifampin
carvedilol
MECHANISM
Carvedilol_ddi.xml
DDI-DrugBank.d269.s14
DDI-DrugBank.d269.s14.p0
The use of FLUDARA FOR INJECTION in combination with pentostatin is not recommended due to the risk of severe pulmonary toxicity.
FLUDARA
pentostatin
ADVISE
Fludarabine_ddi.xml
DDI-DrugBank.d444.s0
DDI-DrugBank.d444.s0.p0
The effectiveness of progestin-only pills is reduced by hepatic enzyme-inducing drugs such as the anticonvulsants phenytoin, carbamazepine, and barbiturates, and the antituberculosis drug rifampin.
progestin
phenytoin
EFFECT
Norethindrone_ddi.xml
DDI-DrugBank.d306.s0
DDI-DrugBank.d306.s0.p1
Since PLETAL is extensively metabolized by cytochrome P-450 isoenzymes, caution should be exercised when PLETAL is coadministered with inhibitors of C.P.A. such as ketoconazole and erythromycin or inhibitors of CYP2C19 such as omeprazole.
PLETAL
PLETAL
NONE
Cilostazol_ddi.xml
DDI-DrugBank.d358.s0
DDI-DrugBank.d358.s0.p0
Levothyroxine Sodium Absorption: The following agents may bind and decrease absorption of levothyroxine sodium from the gastrointestinal tract: aluminum hydoxide, cholestyramine resin, colestipol hydrochloride, ferrous sulfate, sodium polystyrene sulfonate, soybean flour (e.g., infant formula), sucralfate.
levothyroxine sodium
colestipol hydrochloride
MECHANISM
Levothyroxine_ddi.xml
DDI-DrugBank.d411.s2
DDI-DrugBank.d411.s2.p9
Experience with nonsteroidal anti-inflammatory drugs (NSAIDs) suggests the potential for interactions with furosemide and ACE inhibitors.
nonsteroidal anti-inflammatory drugs
ACE inhibitors
INT
Celecoxib_ddi.xml
DDI-DrugBank.d172.s7
DDI-DrugBank.d172.s7.p2
Effect of Sensipar on other drugs: Drugs metabolized by cytochrome P450 2D6 (CYP2D6): Sensipar is a strong in vitro inhibitor of CYP2D6.
Sensipar
Sensipar
NONE
Cinacalcet_ddi.xml
DDI-DrugBank.d512.s1
DDI-DrugBank.d512.s1.p0
- Antihypertensives: Bumetanide may potentiate the effect of various antihypertensive drugs, necessitating a reduction in the dosage of these drugs.
Antihypertensives
Bumetanide
NONE
Bumetanide_ddi.xml
DDI-DrugBank.d331.s9
DDI-DrugBank.d331.s9.p0
Compromised norepinephrine uptake-1 in functional class IV cannot be further increased by cocaine and desipramine.
norepinephrine
desipramine
NONE
7798493.xml
DDI-MedLine.d94.s17
DDI-MedLine.d94.s17.p1
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
antihistamines
EFFECT
Butorphanol_ddi.xml
DDI-DrugBank.d246.s0
DDI-DrugBank.d246.s0.p4
Administration of quinolones with antacids containing aluminum, magnesium, or calcium, with sucralfate, with metal cations such as iron, or with multivitamins containing iron or zinc, or with formulations containing divalent and trivalent cations such as VIDEX (didanosine) chewable/buffered tablets or the pediatric powder for oral solution, may substantially interfere with the absorption of quinolones, resulting in systemic concentrations considerably lower than desired.
aluminum
calcium
NONE
Grepafloxacin_ddi.xml
DDI-DrugBank.d78.s1
DDI-DrugBank.d78.s1.p24
Wait 5 weeks after stopping escitalopram before starting a non-selective MAO inhibitor.
escitalopram
non-selective MAO inhibitor
ADVISE
Fluoxetine_ddi.xml
DDI-DrugBank.d482.s9
DDI-DrugBank.d482.s9.p0
Concurrent use of flurbiprofen and aspirin is therefore not recommended.
flurbiprofen
aspirin
ADVISE
Flurbiprofen_ddi.xml
DDI-DrugBank.d529.s6
DDI-DrugBank.d529.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.
ibuprofen
sulfamethoxazole
NONE
Anisindione_ddi.xml
DDI-DrugBank.d64.s87
DDI-DrugBank.d64.s87.p987
Tagamet, apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline and metronidazole, thereby delaying elimination and increasing blood levels of these drugs.
Tagamet
warfarin-type anticoagulants
MECHANISM
Cimetidine_ddi.xml
DDI-DrugBank.d171.s0
DDI-DrugBank.d171.s0.p0
Dose adjustment of Sensipar may be required and PTH and serum calcium concentrations should be closely monitored if a patient initiates or discontinues therapy with a strong CYP3A4 inhibitor (e.g., ketoconazole, erythromycin, itraconazole;
Sensipar
ketoconazole
ADVISE
Cinacalcet_ddi.xml
DDI-DrugBank.d512.s7
DDI-DrugBank.d512.s7.p0
Aminoglutethimide diminishes the effect of coumarin and warfarin.
Aminoglutethimide
coumarin
EFFECT
Aminoglutethimide_ddi.xml
DDI-DrugBank.d372.s2
DDI-DrugBank.d372.s2.p0
Concomitant administration of fenofibrate (equivalent to 145mg TRICOR) with pravastatin (40 mg) once daily for 10 days has been shown to increase the mean Cmax and AUC values for pravastatin by 36% (range from 69% decrease to 321% increase) and 28% (range from 54% decrease to 128% increase), respectively, and for 3 -hydroxy-iso-pravastatin by 55% (range from 32% decrease to 314% increase) and 39% (range from 24% decrease to 261% increase), respectively in 23 healthy adults.
TRICOR
pravastatin
MECHANISM
Fenofibrate_ddi.xml
DDI-DrugBank.d283.s13
DDI-DrugBank.d283.s13.p3
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.
antipsychotic drug
tricyclic antidepressant
EFFECT
Chlorpromazine_ddi.xml
DDI-DrugBank.d86.s0
DDI-DrugBank.d86.s0.p3
This might be explained by a blockade by probenecid of the elimination of cloxacillin by the liver.
probenecid
cloxacillin
MECHANISM
15830476.xml
DDI-MedLine.d29.s8
DDI-MedLine.d29.s8.p0
At 75% recovery of fade, hoof twitch was 87 +/- 3% for atracurium alone and 82 +/- 4% for atracurium plus gentamycin.
atracurium
gentamycin
EFFECT
8542840.xml
DDI-MedLine.d90.s9
DDI-MedLine.d90.s9.p2
Inhibitors of CYP3A4 (eg, ketoconazole) or CYP2D6 (eg, quinidine, fluoxetine, or paroxetine) can inhibit aripiprazole elimination and cause increased blood levels.
ketoconazole
aripiprazole
MECHANISM
Aripiprazole_ddi.xml
DDI-DrugBank.d509.s8
DDI-DrugBank.d509.s8.p3
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.
sodium colistimethate
lithium
NONE
Doxacurium chloride_ddi.xml
DDI-DrugBank.d267.s5
DDI-DrugBank.d267.s5.p91
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.
Agenerase
rifampin
NONE
Etonogestrel_ddi.xml
DDI-DrugBank.d484.s0
DDI-DrugBank.d484.s0.p814
Another study showed that alosetron had no clinically significant effect on plasma concentrations of the oral contraceptive agents ethinyl estradiol and levonorgestrel (CYP3A4 substrates).
alosetron
levonorgestrel
NONE
Alosetron_ddi.xml
DDI-DrugBank.d364.s17
DDI-DrugBank.d364.s17.p2
When carbamazepine is added to aripiprazole therapy, aripiprazole dose should be doubled.
carbamazepine
aripiprazole
ADVISE
Aripiprazole_ddi.xml
DDI-DrugBank.d509.s20
DDI-DrugBank.d509.s20.p0
Fifteen to 30 minutes of exposure to 1.25 MAC isoflurane or enflurane had minimal effects on the duration of action of initial doses of NIMBEX and therefore, no adjustment to the initial dose should be necessary when NIMBEX is administered shortly after initiation of volatile agents.
NIMBEX
NIMBEX
NONE
Cisatracurium Besylate_ddi.xml
DDI-DrugBank.d60.s8
DDI-DrugBank.d60.s8.p5
Since there have been isolated reports of patients with elevated digoxin levels, it is recommended that digoxin levels be monitored when initiating, adjusting, and discontinuing nifedipine to avoid possible over- or under-digitalization.
digoxin
nifedipine
ADVISE
Nifedipine_ddi.xml
DDI-DrugBank.d373.s7
DDI-DrugBank.d373.s7.p2
[Stimulation by cerulein--an analog of the octapeptide cholecystokinin--of 3H-spiroperidol binding after the long-term administration of neuroleptics] It has been established in experiments on white male rats that prolonged administration (twice a day for 14 days) of haloperidol (0.25 mg/kg) and pyreneperone (0.25 mg/kg) resulted in the reduced interaction between 3H-spiroperidol and low affinity binding sites for apomorphine in subcortical structures, whereas 3H-spiroperidol binding with high affinity binding sites for apomorphine increased both in the frontal cortex and subcortical structures of the forebrain.
3H-spiroperidol
apomorphine
NONE
2857100.xml
DDI-MedLine.d15.s0
DDI-MedLine.d15.s0.p14
Concurrent therapy with ORENCIA and TNF antagonists is not recommended.
ORENCIA
TNF antagonists
ADVISE
Abatacept_ddi.xml
DDI-DrugBank.d297.s4
DDI-DrugBank.d297.s4.p0
Phospholine Iodide potentiates other cholinesterase inhibitors such as succinylcholine or organophosphate and carbamate insecticides.
organophosphate insecticide
carbamate insecticide
NONE
Echothiophate Iodide_ddi.xml
DDI-DrugBank.d377.s0
DDI-DrugBank.d377.s0.p9
Coadministration with valdecoxib increased exposure of omeprazole (AUC) by 46%.
valdecoxib
omeprazole
MECHANISM
Valdecoxib_ddi.xml
DDI-DrugBank.d328.s39
DDI-DrugBank.d328.s39.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
fenoprofen
NONE
Anisindione_ddi.xml
DDI-DrugBank.d64.s87
DDI-DrugBank.d64.s87.p322
Therefore, co-administration of clozapine with other drugs that are metabolized by this isozyme, including antidepressants, phenothiazines, carbamazepine, and Type 1C antiarrhythmics (e.g., propafenone, flecainide and encainide), or that inhibit this enzyme (e.g., quinidine), should be approached with caution.
clozapine
propafenone
ADVISE
Clozapine_ddi.xml
DDI-DrugBank.d480.s30
DDI-DrugBank.d480.s30.p4
Cimetidine at doses of 100 mg BID (OTC dose) resulted in a 13% increase in dofetilide plasma levels (500 mcg single dose).
Cimetidine
dofetilide
MECHANISM
Dofetilide_ddi.xml
DDI-DrugBank.d558.s3
DDI-DrugBank.d558.s3.p0
SUBUTEX and SUBOXONE should be prescribed with caution to patients on benzodiazepines or other drugs that act on the central nervous system, regardless of whether these drugs are taken on the advice of a physician or are taken as drugs of abuse.
SUBOXONE
benzodiazepines
ADVISE
Buprenorphine_ddi.xml
DDI-DrugBank.d380.s6
DDI-DrugBank.d380.s6.p2
Because Anafranil is highly bound to serum protein, the administration of Anafranil to patients taking other drugs that are highly bound to protein (e.g., warfarin, digoxin) may cause an increase in plasma concentrations of these drugs, potentially resulting in adverse effects.
Anafranil
warfarin
MECHANISM
Clomipramine_ddi.xml
DDI-DrugBank.d238.s24
DDI-DrugBank.d238.s24.p3
Acarbose has been shown to change the bioavailabillty digoxin when they are co-administered, which may require digoxin dose adjustment.
Acarbose
digoxin
MECHANISM
Acarbose_ddi.xml
DDI-DrugBank.d536.s5
DDI-DrugBank.d536.s5.p0
The concomitant administration of macrolide antibiotics and other hydroxymethylglutaryl coenzyme A (HMG-CoA) reductase inhibitors have resulted in previous reports of rhabdomyolysis.
macrolide antibiotics
hydroxymethylglutaryl coenzyme A (HMG-CoA) reductase inhibitors
EFFECT
11197581.xml
DDI-MedLine.d25.s10
DDI-MedLine.d25.s10.p0
Codeine in combination with other narcotic analgesics, general anesthetics, phenothiazines, tranquilizers, sedative-hypnotics, or other CNS depressants (including alcohol) has additive depressant effects.
Codeine
narcotic analgesics
EFFECT
Codeine_ddi.xml
DDI-DrugBank.d464.s0
DDI-DrugBank.d464.s0.p0
Uricosuric drugs, such as probenecid and sulfinpyrazone, can inhibit renal tubular secretion of nitrofurantoin.
Uricosuric drugs
nitrofurantoin
MECHANISM
Nitrofurantoin_ddi.xml
DDI-DrugBank.d276.s2
DDI-DrugBank.d276.s2.p2
- a nonsteroidal anti-inflammatory drug (NSAID) such as ibuprofen (Motrin, Advil, Nuprin, others), ketoprofen (Orudis, Orudis KT, Oruvail), diclofenac (Voltaren, Cataflam), etodolac (Lodine), indomethacin (Indocin), nabumetone (Relafen), oxaprozin (Daypro), and naproxen (Anaprox, Naprosyn, Aleve);
Cataflam
etodolac
NONE
Glimepiride_ddi.xml
DDI-DrugBank.d521.s2
DDI-DrugBank.d521.s2.p222
Metformin: In healthy subjects given single 500 mg doses of cephalexin and metformin, plasma metformin mean cmax and AUC increased by an average of 34% and 24%, respectively, and metformin mean renal clearance decreased by 14%.
cephalexin
metformin
MECHANISM
Cephalexin_ddi.xml
DDI-DrugBank.d303.s0
DDI-DrugBank.d303.s0.p4
Substances that are potent inhibitors of CYP3A4 activity (eg, ketoconazole and itraconazole) decrease gefitinib metabolism and increase gefitinib plasma concentrations.
ketoconazole
gefitinib
MECHANISM
Gefitinib_ddi.xml
DDI-DrugBank.d207.s4
DDI-DrugBank.d207.s4.p2
In vitro studies evaluating the minimum inhibitory concentration (MIC) of vancomycin, cefazolin, ampicillin, ampicillin/flucoxacillin, ceftazidime, gentamicin, and amphotericin demonstrated no evidence of incompatibility of these antibiotics with EXTRANEAL.
gentamicin
EXTRANEAL
NONE
Icodextrin_ddi.xml
DDI-DrugBank.d501.s10
DDI-DrugBank.d501.s10.p32
Quinolone Antibiotics: VIDEX should be administered at least 2 hours after or 6 hours before dosing with ciprofloxacin because plasma concentrations of ciprofloxacin are decreased when administered with antacids containing magnesium, calcium, or aluminum.
ciprofloxacin
calcium
NONE
Didanosine_ddi.xml
DDI-DrugBank.d43.s8
DDI-DrugBank.d43.s8.p16
Drugs that have been reported to diminish oral anticoagulant response, ie, decreased prothrom-bin time response, in man significantly include: adrenocortical steroids;alcohol*;antacids;antihistamines;barbiturates;carbamazepine;chloral hydrate*;chlordiazepoxide;cholestyramine;diet high in vitamin K;diuretics*;ethchlorvynol;glutethimide;griseofulvin;haloperidol;meprobamate;oral contraceptives;paraldehyde;primidone;ranitidine*;rifampin;unreliable prothrombin time determinations;vitamin C;warfarin sodium under-dosage.
cholestyramine
ethchlorvynol
NONE
Anisindione_ddi.xml
DDI-DrugBank.d64.s29
DDI-DrugBank.d64.s29.p173
Cimetidine, Ranitidine: In normal volunteers (n=9), pretreatment with cimetidine or ranitidine did not affect flurbiprofen pharmacokinetics except that a small (13 %) but statistically significant increase in the area under the serum concentration curve of flurbiprofen resulted with cimetidine.
flurbiprofen
cimetidine
MECHANISM
Flurbiprofen_ddi.xml
DDI-DrugBank.d529.s12
DDI-DrugBank.d529.s12.p20
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
sodium colistimethate
EFFECT
Doxacurium chloride_ddi.xml
DDI-DrugBank.d267.s5
DDI-DrugBank.d267.s5.p8
However, other published reports describe modest elevations (less than two-fold) of clozapine and metabolite concentrations when clozapine was taken with paroxetine, fluoxetine, and sertraline.
clozapine
sertraline
MECHANISM
Clozapine_ddi.xml
DDI-DrugBank.d480.s22
DDI-DrugBank.d480.s22.p6
Nephrotoxic agents : Concomitant administration of VISTIDE and agents with nephrotoxic potential [e.g., intravenous aminoglycosides (e.g., tobramycin, gentamicin, and amikacin), amphotericin B, foscarnet, intravenous pentamidine, vancomycin, and non-steroidal anti-inflammatory agents] is contraindicated.
VISTIDE
gentamicin
ADVISE
Cidofovir_ddi.xml
DDI-DrugBank.d260.s3
DDI-DrugBank.d260.s3.p2
A 30 to 45% increase in AUC and Cmax of nisoldipine was observed with concomitant administration of cimetidine 400 mg twice daily.
nisoldipine
cimetidine 400 mg
MECHANISM
Nisoldipine_ddi.xml
DDI-DrugBank.d106.s0
DDI-DrugBank.d106.s0.p0
Although clinical studies have not established a cause and effect relationship, physicians should be aware that variable effects an blood coagulation have been reported very rarely in patients receiving oral anticoagulants and chlordiazepoxide.
anticoagulants
chlordiazepoxide
EFFECT
Chlordiazepoxide_ddi.xml
DDI-DrugBank.d336.s0
DDI-DrugBank.d336.s0.p0
Benzodiazepines: Combination hormonal contraceptives may decrease the clearance of some benzodiazepines (alprazolam, chlordiazepoxide, diazepam) and increase the clearance of others (lorazepam, oxazepam, temazepam).
hormonal contraceptives
temazepam
MECHANISM
Ethynodiol Diacetate_ddi.xml
DDI-DrugBank.d485.s17
DDI-DrugBank.d485.s17.p14
Tell your doctor if you are taking any of the following drugs: blood thinners (Coumadin) other antidepressants metoprolol antihistamines carbamazepine (Tegretol) cimetidine (Tagamet) estrogens fluoxetine (Prozac) intraconazole (Sporanox) ketoconazole (Nizoral) levodopa lithium muscle relaxants birth control pills sleeping pills thyroid medications
Tegretol
estrogens
NONE
Fluoxetine_ddi.xml
DDI-DrugBank.d482.s14
DDI-DrugBank.d482.s14.p89
Barbiturates, carbamazepine, and phenytoin decrease the half-life of doxycycline.
Barbiturates
doxycycline
MECHANISM
Doxycycline_ddi.xml
DDI-DrugBank.d500.s4
DDI-DrugBank.d500.s4.p2
Enhanced theophylline clearance secondary to phenytoin therapy.
theophylline
phenytoin
MECHANISM
3967572.xml
DDI-MedLine.d7.s0
DDI-MedLine.d7.s0.p0
These results suggest that the hepatoxicity of ethanol in alcoholic beverages is enhanced by interaction with its congeners and acetaldehyde;
ethanol
acetaldehyde
EFFECT
7653281.xml
DDI-MedLine.d107.s9
DDI-MedLine.d107.s9.p0