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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
antidepressants
antihistamines
NONE
Fluoxetine_ddi.xml
DDI-DrugBank.d482.s14
DDI-DrugBank.d482.s14.p34
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.
clindamycin
magnesium
NONE
Cisatracurium Besylate_ddi.xml
DDI-DrugBank.d60.s12
DDI-DrugBank.d60.s12.p94
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.
EQUETROTM
quetiapine
MECHANISM
Carbamazepine_ddi.xml
DDI-DrugBank.d94.s11
DDI-DrugBank.d94.s11.p34
A similar association, though less marked, has been suggested with barbiturates, phenylbutazone, phenytoin sodium, carbamazepine, griseofulvin, topiramate, and possibly with ampicillin and tetracyclines 72.
barbiturates
tetracyclines
NONE
Norgestimate_ddi.xml
DDI-DrugBank.d360.s1
DDI-DrugBank.d360.s1.p6
Iron Supplements and Foods Fortified With Iron Concomitant administration of cefdinir with a therapeutic iron supplement containing 60 mg of elemental iron (as FeSO4) or vitamins supplemented with 10 mg of elemental iron reduced extent of absorption by 80% and 31%, respectively.
cefdinir
iron
MECHANISM
Cefdinir_ddi.xml
DDI-DrugBank.d420.s5
DDI-DrugBank.d420.s5.p12
The concomitant use of INDOCIN with other NSAIDs is not recommended due to the increased possibility of gastrointestinal toxicity, with little or no increase in efficacy.
INDOCIN
NSAIDs
ADVISE
Indomethacin_ddi.xml
DDI-DrugBank.d82.s4
DDI-DrugBank.d82.s4.p0
Therefore, 4 to 5 hours should elapse between administration of cholestyramine and thyroid hormones.
cholestyramine
thyroid hormones
ADVISE
Liothyronine_ddi.xml
DDI-DrugBank.d54.s10
DDI-DrugBank.d54.s10.p0
therefore, it is theoretically possible that lansoprazole may interfere with the absorption of drugs where gastric pH is an important determinant of bioavailability (e.g. ketoconazole, ampicillin esters, iron salts, digoxin).
lansoprazole
digoxin
MECHANISM
Lansoprazole_ddi.xml
DDI-DrugBank.d431.s12
DDI-DrugBank.d431.s12.p3
Although neither dexamethasone nor retinyl acetate affected the proliferation of prostatic epithelium in RPMI1640 containing transferrin alone, they modify the mitogenic effect of EGF and insulin.
dexamethasone
insulin
EFFECT
3881461.xml
DDI-MedLine.d12.s2
DDI-MedLine.d12.s2.p3
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.
delavirdine
valproate
NONE
Carbamazepine_ddi.xml
DDI-DrugBank.d94.s4
DDI-DrugBank.d94.s4.p177
Specific drug interaction studies have not been performed with SUSTIVA and NRTIs other than lamivudine and zidovudine.
NRTIs
zidovudine
NONE
Efavirenz_ddi.xml
DDI-DrugBank.d531.s91
DDI-DrugBank.d531.s91.p4
Ritonavir: Coadministration of ritonavir with VIRACEPT resulted in a 152% increase in nelfinavir plasma AUC and very little change in ritonavir plasma A.C.
ritonavir
VIRACEPT
MECHANISM
Nelfinavir_ddi.xml
DDI-DrugBank.d340.s16
DDI-DrugBank.d340.s16.p4
In a single study, rats given high intraperitoneal doses of an MAO inhibitor plus disulfiram experienced severe toxicity, including convulsions and death.
MAO inhibitor
disulfiram
EFFECT
Isocarboxazid_ddi.xml
DDI-DrugBank.d108.s1
DDI-DrugBank.d108.s1.p0
- a sulfa-based drug such as sulfamethoxazole-trimethoprim (Bactrim, Septra), sulfisoxazole (Gantrisin), or sulfasalazine (Azulfidine);
Bactrim
Azulfidine
NONE
Glimepiride_ddi.xml
DDI-DrugBank.d521.s3
DDI-DrugBank.d521.s3.p17
in one man, the C max of terfenadine was 8.1 ng/mL with terfenadine alone and 7.2 ng/mL with terfenadine plus dirithromycin.
terfenadine
dirithromycin
MECHANISM
Dirithromycin_ddi.xml
DDI-DrugBank.d522.s5
DDI-DrugBank.d522.s5.p5
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.
anticholinergic
antihistamines
EFFECT
Biperiden_ddi.xml
DDI-DrugBank.d401.s0
DDI-DrugBank.d401.s0.p8
If treatment with inhibitors of CYP3A4 activity (such as ketoconazole, intraconazole, ritonavir, indinavir, saquinavir, erythromycin, etc.) is indicated, reduction of the budesonide dose should be considered.
intraconazole
budesonide
ADVISE
Budesonide_ddi.xml
DDI-DrugBank.d144.s1
DDI-DrugBank.d144.s1.p10
Multivitamins, or other products containing iron or zinc, antacids or sucralfate should not be administered concomitantly with, or within 2 hours of, the administration of norfloxacin, because they may interfere with absorption resulting in lower serum and urine levels of norfloxacin.
antacids
norfloxacin
ADVISE
Norfloxacin_ddi.xml
DDI-DrugBank.d217.s11
DDI-DrugBank.d217.s11.p16
In EM individuals treated with paroxetine or fluoxetine, the AUC of atomoxetine is approximately 6- to 8-fold and Css,max is about 3- to 4-fold greater than atomoxetine alone.
fluoxetine
atomoxetine
MECHANISM
Atomoxetine_ddi.xml
DDI-DrugBank.d11.s4
DDI-DrugBank.d11.s4.p3
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.
EQUETROTM
quinine
MECHANISM
Carbamazepine_ddi.xml
DDI-DrugBank.d94.s4
DDI-DrugBank.d94.s4.p20
However, there are limited in vivo data suggesting a modest CYP2D6 inhibitory effect for escitalopram, i.e., coadministration of escitalopram (20 mg/day for 21 days) with the tricyclic antidepressant desipramine (single dose of 50 mg), a substrate for CYP2D6, resulted in a 40% increase in Cmax and a 100% increase in AUC of desipramine.
escitalopram
desipramine
MECHANISM
Escitalopram_ddi.xml
DDI-DrugBank.d568.s32
DDI-DrugBank.d568.s32.p5
Flucytosine: while a synergistic relationship with amphotericin B has been reported, concomitant use may increase the toxicity of flucytosine by possibly increasing its cellular uptake and/or impairing its renal excretion.
amphotericin B
flucytosine
EFFECT
Amphotericin B_ddi.xml
DDI-DrugBank.d318.s7
DDI-DrugBank.d318.s7.p2
In vitro mixing of an aminoglycoside with beta-lactamtype antibiotics (penicillins or cephalosporins) may result in a significant mutual inactivation.
aminoglycoside
antibiotics
EFFECT
Kanamycin_ddi.xml
DDI-DrugBank.d57.s0
DDI-DrugBank.d57.s0.p0
Drugs Decreasing Heparin Effect: Digitalis, tetracyclines, nicotine, or antihistamines may partially counteract the anticoagulant action of heparin sodium.
Digitalis
heparin sodium
EFFECT
Heparin_ddi.xml
DDI-DrugBank.d488.s6
DDI-DrugBank.d488.s6.p8
DISCUSSION: Clarithromycin is a potent inhibitor of CYP3A4, the major enzyme responsible for simvastatin metabolism.
Clarithromycin
simvastatin
MECHANISM
11197581.xml
DDI-MedLine.d25.s9
DDI-MedLine.d25.s9.p0
The absorption of oral gemifloxacin is significantly reduced by the concomitant administration of an antacid containing aluminum and magnesium.
gemifloxacin
aluminum
MECHANISM
Gemifloxacin_ddi.xml
DDI-DrugBank.d347.s6
DDI-DrugBank.d347.s6.p1
Warfarin: In a short-term controlled study in 14 normal volunteers, ketoprofen did not significantly interfere with the effect of warfarin on prothrombin time.
ketoprofen
warfarin
NONE
Ketoprofen_ddi.xml
DDI-DrugBank.d499.s15
DDI-DrugBank.d499.s15.p2
Although glucocorticoids have been shown to reduce PROLEUKIN-induced side effects including fever, renal insufficiency, hyperbilirubinemia, confusion, and dyspnea, concomitant administration of these agents with PROLEUKIN may reduce the antitumor effectiveness of PROLEUKIN and thus should be avoided. 12 Beta-blockers and other antihypertensives may potentiate the hypotension seen with PROLEUKIN.
glucocorticoids
PROLEUKIN
EFFECT
Aldesleukin_ddi.xml
DDI-DrugBank.d114.s10
DDI-DrugBank.d114.s10.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
amiodarone
EFFECT
Anisindione_ddi.xml
DDI-DrugBank.d64.s87
DDI-DrugBank.d64.s87.p3
It may be necessary to adjust the dosage of oral anticoagulants upon beginning or stopping disulfiram. since disulfiram may prolong prothrombin time.
anticoagulants
disulfiram
ADVISE
Disulfiram_ddi.xml
DDI-DrugBank.d19.s6
DDI-DrugBank.d19.s6.p0
Fentanyl Anesthesia: Severe hypotension has been reported during fentanyl anesthesia with concomitant use of a beta blocker and a calcium channel blocker.
fentanyl
calcium channel blocker
EFFECT
Isradipine_ddi.xml
DDI-DrugBank.d81.s14
DDI-DrugBank.d81.s14.p4
Butyrophenones (such as haloperidol) and phenothiazines can suppress the dopaminergic renal and mesenteric vasodilation induced with low dose dopamine infusion.
Butyrophenones
dopamine
EFFECT
Dopamine_ddi.xml
DDI-DrugBank.d325.s7
DDI-DrugBank.d325.s7.p2
On the contrary, neurotensin and tuftsin were agonists in induction of analgesia.
neurotensin
tuftsin
EFFECT
6545985.xml
DDI-MedLine.d131.s4
DDI-MedLine.d131.s4.p0
Rifampin may decrease serum digoxin concentration, especially in patients with renal dysfunction, by increasing the non-renal clearance of digoxin.
Rifampin
digoxin
MECHANISM
Digoxin_ddi.xml
DDI-DrugBank.d450.s7
DDI-DrugBank.d450.s7.p0
It is recommended that buspirone hydrochloride not be used concomitantly with MAO inhibitors Because the effects of concomitant administration of buspirone HCl with most other psychotropic drugs have not been studied, the concomitant use of buspirone HCl with other CNS-active drugs should be approached with caution.
buspirone HCl
psychotropic drugs
NONE
Buspirone_ddi.xml
DDI-DrugBank.d463.s0
DDI-DrugBank.d463.s0.p7
There have been reports of interactions of erythromycin with carbamazepine, cyclosporine, tacrolimus, hexobarbital, phenytoin, alfentanil, cisapride, disopyramide, lovastatin, bromocriptine, valproate, terfenadine, and astemizole.
erythromycin
phenytoin
INT
Erythromycin_ddi.xml
DDI-DrugBank.d397.s8
DDI-DrugBank.d397.s8.p4
Recovery of hoof twitch from 50% to 75% took 7.7 +/- 0.7 min for atracurium alone and 11.5 +/- 2.7 min for atracurium plus gentamycin (P = 0.03).
atracurium
atracurium
NONE
8542840.xml
DDI-MedLine.d90.s7
DDI-MedLine.d90.s7.p0
If phenytoin or other hepatic enzyme inducers are taken concurrently with Norpace or Norpace CR, lower plasma levels of disopyramide may occur.
phenytoin
Norpace
MECHANISM
Disopyramide_ddi.xml
DDI-DrugBank.d506.s0
DDI-DrugBank.d506.s0.p0
Tolbutamide: Aprepitant, when given as 125 mg on Day 1 and 80 mg/day on Days 2 and 3, decreased the AUC of tolbutamide (a CYP2C9 substrate) by 23% on Day 4, 28% on Day 8, and 15% on Day 15, when a single dose of tolbutamide 500 mg was admini,stered orally prior to the administration of the 3-day regimen of Aprepitant and on Days 4,8, and 15.
tolbutamide
Aprepitant
MECHANISM
Aprepitant_ddi.xml
DDI-DrugBank.d382.s18
DDI-DrugBank.d382.s18.p9
Rifampin: Coadministration of rifampin and VIRACEPT resulted in an 82% decrease in nelfinavir plasma A.C.
Rifampin
rifampin
NONE
Nelfinavir_ddi.xml
DDI-DrugBank.d340.s32
DDI-DrugBank.d340.s32.p0
Sildenafil is contraindicated in patients using long-acting nitrates or who may need to use short-acting nitrates, because the combination may cause a sharp fall of the blood pressure.
Sildenafil
short-acting nitrates
ADVISE
11213561.xml
DDI-MedLine.d1.s5
DDI-MedLine.d1.s5.p1
Antiretroviral Agents: No drug interactions with other antiretroviral medications have been identified that would warrant alteration of either the enfuvirtide dose or the dose of the other antiretroviral medication.
antiretroviral medications
antiretroviral medication
NONE
Enfuvirtide_ddi.xml
DDI-DrugBank.d535.s1
DDI-DrugBank.d535.s1.p4
Because of its primary CNS effect, caution should be used when EQUETROTM is taken with other centrally acting drugs and alcohol.
EQUETROTM
alcohol
ADVISE
Carbamazepine_ddi.xml
DDI-DrugBank.d94.s18
DDI-DrugBank.d94.s18.p1
Non-steroidal Anti-inflammatory Agents: In some patients with compromised renal function who are being treated with nonsteroidal anti-inflammatory drugs, the co-administration of enalapril may result in a further deterioration of renal function.
nonsteroidal anti-inflammatory drugs
enalapril
EFFECT
Enalapril_ddi.xml
DDI-DrugBank.d107.s4
DDI-DrugBank.d107.s4.p2
Presumably, phenytoin acts as a stimulator of coumarin metabolism and has been reported to cause decreased serum levels of the coumarin anticoagulants and increased prothrombin-proconvertin concentrations.
phenytoin
coumarin anticoagulants
MECHANISM
Ethotoin_ddi.xml
DDI-DrugBank.d359.s3
DDI-DrugBank.d359.s3.p1
In a study of 15 male subjects (ages 19 to 35 years) who were extensive metabolizers of the CYP2D6 isoenzyme, daily doses of bupropion given as 150 mg twice daily followed by a single dose of 50 mg desipramine increased the Cmax, AUC, and t1/2 of desipramine by an average of approximately 2-, 5- and 2-fold, respectively.
bupropion
desipramine
MECHANISM
Bupropion_ddi.xml
DDI-DrugBank.d5.s14
DDI-DrugBank.d5.s14.p0
Patients receiving other narcotic analgesics, antipsychotics, antianxiety agents, or other CNS depressants (including alcohol) concomitantly with hydrocodone and acetaminophen tablets may exhibit an additive CNS depression.
antipsychotics
antianxiety agents
NONE
Hydrocodone_ddi.xml
DDI-DrugBank.d396.s0
DDI-DrugBank.d396.s0.p6
Although these results do not indicate a significant interaction between TORADOL and warfarin or heparin, the administration of TORADOL to patients taking anticoagulants should be done extremely cautiously, and patients should be closely monitored.
TORADOL
anticoagulants
ADVISE
Ketorolac_ddi.xml
DDI-DrugBank.d3.s7
DDI-DrugBank.d3.s7.p9
The pressor effects of ERGOMAR and other vasoconstrictor drugs can combine to cause dangerous hypertension.
ERGOMAR
vasoconstrictor drugs
EFFECT
Ergotamine_ddi.xml
DDI-DrugBank.d59.s1
DDI-DrugBank.d59.s1.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
chlorpropamide
EFFECT
Anisindione_ddi.xml
DDI-DrugBank.d64.s87
DDI-DrugBank.d64.s87.p8
In combination with other central nervous system depressants, heroin may still kill even experienced users, particularly if their tolerance to the drug has reduced or the strength of their usual dose has increased.
central nervous system depressants
heroin
EFFECT
Heroin_ddi.xml
DDI-DrugBank.d514.s1
DDI-DrugBank.d514.s1.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.
oxyphenbutazone
triclofos sodium
NONE
Anisindione_ddi.xml
DDI-DrugBank.d64.s87
DDI-DrugBank.d64.s87.p1310
The risk of using bromocriptine mesylate in combination with other drugs has not been systematically evaluated, but alcohol may potentiate the side effects of bromocriptine mesylate.
alcohol
bromocriptine mesylate
EFFECT
Bromocriptine_ddi.xml
DDI-DrugBank.d272.s0
DDI-DrugBank.d272.s0.p2
Patients with major psychotic disorders, treated with neuroleptics, should be treated with dopamine agonists only if the potential benefits outweigh the risks.
neuroleptics
dopamine agonists
ADVISE
Apomorphine_ddi.xml
DDI-DrugBank.d357.s4
DDI-DrugBank.d357.s4.p0
Butalbital, acetaminophen and caffeine may enhance the effects of: other narcotic analgesics, alcohol, general anesthetics, tranquilizers such as chlordiazepoxide, sedative-hypnotics, or other CNS depressants, causing increased CNS depression.
acetaminophen
tranquilizers
EFFECT
Butalbital_ddi.xml
DDI-DrugBank.d559.s1
DDI-DrugBank.d559.s1.p13
Benzthiazide may interact with alcohol, blood thinners, decongestant drugs (allergy, cold, and sinus medicines), diabetic drugs, lithium, norepinephrine, NSAIDs like Aleve or Ibuprofen, and high blood pressure medications.
Benzthiazide
Ibuprofen
INT
Benzthiazide_ddi.xml
DDI-DrugBank.d208.s0
DDI-DrugBank.d208.s0.p7
CANCIDAS reduced the blood AUC0-12 of tacrolimus by approximately 20%, peak blood concentration (Cmax) by 16%, and 12-hour blood concentration (C12hr) by 26% in healthy subjects when tacrolimus (2 doses of 0.1 mg/kg 12 hours apart) was administered on the 10th day of CANCIDAS 70 mg daily, as compared to results from a control period in which tacrolimus was administered alone.
CANCIDAS
tacrolimus
MECHANISM
Caspofungin_ddi.xml
DDI-DrugBank.d350.s5
DDI-DrugBank.d350.s5.p0
poor metabolizers of debrisoquin: Interactions of carvedilol with strong inhibitors of CYP2D6 (such as quinidine, fluoxetine, paroxetine, and propafenone) have not been studied, but these drugs would be expected to increase blood levels of the R(+) enantiomer of carvedilol .
propafenone
carvedilol
EFFECT
Carvedilol_ddi.xml
DDI-DrugBank.d269.s1
DDI-DrugBank.d269.s1.p20
Drugs Which Require a Dose Reduction When Coadminstered With VIRACEPT Antimycobacterial agents: rifabutin
Antimycobacterial agents
rifabutin
NONE
Nelfinavir_ddi.xml
DDI-DrugBank.d340.s7
DDI-DrugBank.d340.s7.p2
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
Sandimmune
INT
Etonogestrel_ddi.xml
DDI-DrugBank.d484.s0
DDI-DrugBank.d484.s0.p22
Furosemide: Clinical studies, as well as post-marketing observations, have shown that NSAIDs can reduce the natriuretic effect of furosemide and thiazides in some patients.
NSAIDs
furosemide
EFFECT
Valdecoxib_ddi.xml
DDI-DrugBank.d328.s10
DDI-DrugBank.d328.s10.p3
Core temperature was decreased in rats in a dose-dependent manner when ethanol was administered to rats treated with disulfiram 8 hours before the ethanol challenge.
ethanol
disulfiram
EFFECT
6537219.xml
DDI-MedLine.d81.s2
DDI-MedLine.d81.s2.p0
The concurrent use of Robinul Injection with other anticholinergics or medications with anticholinergic activity, such as phenothiazines, antiparkinson drugs, or tricyclic antidepressants, may intensify the antimuscarinic effects and may result in an increase in anticholinergic side effects.
anticholinergics
tricyclic antidepressants
NONE
Glycopyrrolate_ddi.xml
DDI-DrugBank.d510.s0
DDI-DrugBank.d510.s0.p6
Aspirin: CELEBREX can be used with low dose aspirin.
CELEBREX
aspirin
ADVISE
Celecoxib_ddi.xml
DDI-DrugBank.d172.s13
DDI-DrugBank.d172.s13.p2
Isoflurane potentiates the muscle relaxant effect of all muscle relaxants, most notably nondepolarizing muscle relaxants, and MAC (minimum alveolar concentration) is reduced by concomitant administration of N 2O.
Isoflurane
muscle relaxants
EFFECT
Isoflurane_ddi.xml
DDI-DrugBank.d227.s0
DDI-DrugBank.d227.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
lorazepam
MECHANISM
Ethynodiol Diacetate_ddi.xml
DDI-DrugBank.d485.s17
DDI-DrugBank.d485.s17.p12
Corticosteroids, Methylxanthines and Diuretics: Concomitant treatment with xanthine derivatives, steroids, or diuretics may potentiate a possible hypokalemic effect of beta2-agonists.
diuretics
beta2-agonists.
EFFECT
Formoterol_ddi.xml
DDI-DrugBank.d103.s4
DDI-DrugBank.d103.s4.p20
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.
cyclosporine
Agenerase
NONE
Etonogestrel_ddi.xml
DDI-DrugBank.d484.s0
DDI-DrugBank.d484.s0.p717
In view of the potential risk of dehydration secondary to vomiting and/or diarrhea induced by CAMPTOSAR, the physician may wish to withhold diuretics during dosing with CAMPTOSAR and, certainly, during periods of active vomiting or diarrhea.
diuretics
CAMPTOSAR
EFFECT
Irinotecan_ddi.xml
DDI-DrugBank.d279.s11
DDI-DrugBank.d279.s11.p2
Erythromycin (500 mg t.i.d) produced a 4-fold increase in vardenafil AUC and a 3-fold increase in Cmax when co-administered with Vardenafil 5 mg in healthy volunteers.
Erythromycin
vardenafil
MECHANISM
Vardenafil_ddi.xml
DDI-DrugBank.d198.s5
DDI-DrugBank.d198.s5.p0
The administration of guanfacine concomitantly with known microsomal enzyme inducer (phenobarbital or phenytoin) to two patients with renal impairment reportedly resulted in significant reductions in elimination half-life and plasma concentration.
guanfacine
phenobarbital
MECHANISM
Guanfacine_ddi.xml
DDI-DrugBank.d507.s1
DDI-DrugBank.d507.s1.p0
Inhibitors of CYP3A4 (eg, ketoconazole) or CYP2D6 (eg, quinidine, fluoxetine, or paroxetine) can inhibit aripiprazole elimination and cause increased blood levels.
paroxetine
aripiprazole
MECHANISM
Aripiprazole_ddi.xml
DDI-DrugBank.d509.s8
DDI-DrugBank.d509.s8.p9
Similarly, nateglinide had no influence on the serum protein binding of propranolol, glyburide, nicardipine, warfarin, phenytoin, acetylsalicylic acid, and tolbutamide in vitro .
propranolol
phenytoin
NONE
Nateglinide_ddi.xml
DDI-DrugBank.d460.s12
DDI-DrugBank.d460.s12.p10
Zalcitabine also has no significant effect on the intracellular phosphorylation of ZDV, as shown in vitro in peripheral blood mononuclear cells or in two other cell lines (U937 and Molt-4).
Zalcitabine
ZDV
EFFECT
Zalcitabine_ddi.xml
DDI-DrugBank.d263.s1
DDI-DrugBank.d263.s1.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.
quetiapine
triazolam
NONE
Carbamazepine_ddi.xml
DDI-DrugBank.d94.s11
DDI-DrugBank.d94.s11.p985
Other Cardiovascular Agents: Enalapril and enalapril IV have been used concomitantly with beta adrenergic-blocking agents, methyldopa, nitrates, calcium-blocking agents, hydralazine, prazosin and digoxin without evidence of clinically significant adverse interactions.
hydralazine
digoxin
NONE
Enalapril_ddi.xml
DDI-DrugBank.d107.s10
DDI-DrugBank.d107.s10.p34
Patients receiving other narcotic analgesics, antipsychotics, antianxiety agents, or other CNS depressants (including alcohol) concomitantly with hydrocodone and acetaminophen tablets may exhibit an additive CNS depression.
antipsychotics
hydrocodone
EFFECT
Hydrocodone_ddi.xml
DDI-DrugBank.d396.s0
DDI-DrugBank.d396.s0.p9
Resins: Since bile acid sequestrants may bind other drugs given concurrently, patients should take TRICOR at least 1 hour before or 4-6 hours after a bile acid binding resin to avoid impeding its absorption.
TRICOR
bile acid binding resin
MECHANISM
Fenofibrate_ddi.xml
DDI-DrugBank.d283.s4
DDI-DrugBank.d283.s4.p5
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.
anti-depressants
sparfloxacin
NONE
Chlorpromazine_ddi.xml
DDI-DrugBank.d86.s1
DDI-DrugBank.d86.s1.p3
Other drugs Drug interactions have been reported with concomitant administration of erythromycin and other medications, including cyclosporine, hexobarbital, carbamazepine, alfentanil, disopyramide, phenytoin, bromocriptine, valproate, astemizole, and lovastatin.
erythromycin
bromocriptine
INT
Dirithromycin_ddi.xml
DDI-DrugBank.d522.s24
DDI-DrugBank.d522.s24.p6
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).
Probenecid
nonsteroidal anti-inflammatory
MECHANISM
Cidofovir_ddi.xml
DDI-DrugBank.d260.s0
DDI-DrugBank.d260.s0.p26
Butalbital, acetaminophen and caffeine may enhance the effects of: other narcotic analgesics, alcohol, general anesthetics, tranquilizers such as chlordiazepoxide, sedative-hypnotics, or other CNS depressants, causing increased CNS depression.
caffeine
alcohol
EFFECT
Butalbital_ddi.xml
DDI-DrugBank.d559.s1
DDI-DrugBank.d559.s1.p18
However, the systemic administration of some quinolones has been shown to elevate plasma concentrations of theophylline, interfere with the metabolism of caffeine, and enhance the effects of the oral anticoagulant warfarin and its derivatives, and has been associated with transient elevations in serum creatinine in patients receiving systemic cyclosporine concomitantly.
caffeine
anticoagulant
NONE
Levofloxacin_ddi.xml
DDI-DrugBank.d242.s1
DDI-DrugBank.d242.s1.p9
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.
disulfiram
sulindac
NONE
Anisindione_ddi.xml
DDI-DrugBank.d64.s87
DDI-DrugBank.d64.s87.p848
The most commonly occurring drug interactions are listed below: - Drugs that may increase plasma phenytoin concentrations include: acute alcohol intake, amiodarone, chboramphenicol, chlordiazepoxide, cimetidine, diazepam, dicumarol, disulfiram, estrogens, ethosuximide, fluoxetine, H2-antagonists, halothane, isoniazid, methylphenidate, phenothiazines, phenylbutazone, salicylates, succinimides, sulfonamides, tolbutamide, trazodone
phenytoin
halothane
MECHANISM
Fosphenytoin_ddi.xml
DDI-DrugBank.d40.s10
DDI-DrugBank.d40.s10.p11
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.
doxycycline
lorazepam
NONE
Carbamazepine_ddi.xml
DDI-DrugBank.d94.s11
DDI-DrugBank.d94.s11.p578
Azithromycin had no significant impact on the Cmax and AUC of zidovudine, although it significantly decreased the zidovudine tmax by 44% and increased the intracellular exposure to phosphorylated zidovudine by 110%.
zidovudine
zidovudine
NONE
11210404.xml
DDI-MedLine.d105.s7
DDI-MedLine.d105.s7.p4
Administration of epinephrine to patients receiving cyclopropane or halogenated hydrocarbon general anesthetics such as halothane which sensitize the myocardium, may induce cardiac arrhythmia..
epinephrine
halogenated hydrocarbon general anesthetics
EFFECT
Epinephrine_ddi.xml
DDI-DrugBank.d247.s5
DDI-DrugBank.d247.s5.p1
Adrenergic Agents:Some individuals receiving ZYVOX may experience a reversible enhancement of the pressor response to indirect-acting sympathomimetic agents, vasopressor or dopaminergic agents.
sympathomimetic agents
vasopressor
NONE
Linezolid_ddi.xml
DDI-DrugBank.d441.s2
DDI-DrugBank.d441.s2.p7
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.
diazepam
itraconazole
NONE
Carbamazepine_ddi.xml
DDI-DrugBank.d94.s11
DDI-DrugBank.d94.s11.p514
Antacids: Concomitant administration of antacids containing magnesium or aluminum with VIDEX Chewable/Dispersible Buffered Tablets or Pediatric Powder for Oral Solution may potentiate adverse events associated with the antacid components.
magnesium
VIDEX
EFFECT
Didanosine_ddi.xml
DDI-DrugBank.d43.s4
DDI-DrugBank.d43.s4.p10
No significant interactions with digoxin, hydrochlorothiazide, hydralazine, sulfinpyrazone, oral contraceptives, tolbutamide, or warfarin have been observed.
sulfinpyrazone
contraceptives
NONE
Acebutolol_ddi.xml
DDI-DrugBank.d388.s5
DDI-DrugBank.d388.s5.p15
Selective serotonin reuptake inhibitors (SSRIs) (e.g., fluoxetine, fluvoxamine, paroxetine, sertraline) have been reported, rarely, to cause weakness, hyperreflexia, and incoordination when coadministered with 5-HT1 agonists.
paroxetine
5-HT1 agonists
EFFECT
Frovatriptan_ddi.xml
DDI-DrugBank.d426.s3
DDI-DrugBank.d426.s3.p19
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).
Bentiromide
lidocaine
INT
Bentiromide_ddi.xml
DDI-DrugBank.d537.s0
DDI-DrugBank.d537.s0.p6
After the coadministration of 200 mg oral ketoconazole twice daily and one 20 mg dose of loratadine to 11 subjects, the AUC and Cmax of loratadine averaged 302% ( 142 S.D.) and 251% ( 68 S.D.), respectively, of those obtained after co-treatment with placebo.
ketoconazole
loratadine
MECHANISM
Ketoconazole_ddi.xml
DDI-DrugBank.d458.s27
DDI-DrugBank.d458.s27.p0
Therefore, patients without a functioning thyroid gland who are on thyroid replacement therapy may need to increase their thyroid dose if estrogens or estrogen-containing oral contraceptives are given.
thyroid
contraceptives
ADVISE
Liothyronine_ddi.xml
DDI-DrugBank.d54.s14
DDI-DrugBank.d54.s14.p2
Other strong inhibitors of CYP3A4 (e.g., itraconazole, clarithromycin, nefazodone, troleandomycin, ritonavir, nelfinavir) would be expected to behave similarly.
itraconazole
clarithromycin
NONE
Eszopiclone_ddi.xml
DDI-DrugBank.d216.s9
DDI-DrugBank.d216.s9.p0
Data from in vitro studies of benzodiazepines other than alprazolam suggest a possible drug interaction for the following: ergotamine, cyclosporine, amiodarone, nicardipine, and nifedipine.
alprazolam
nifedipine
INT
Alprazolam_ddi.xml
DDI-DrugBank.d131.s10
DDI-DrugBank.d131.s10.p10
Phenytoin/Phenobarbital: The coadministration of phenytoin or phenobarbital will not affect plasma concentrations of vitamin D, but may reduce endogenous plasma levels of calcitriol/ergocalcitriol by accelerating metabolism.
Phenytoin
Phenobarbital
NONE
Cholecalciferol_ddi.xml
DDI-DrugBank.d404.s2
DDI-DrugBank.d404.s2.p0
Non-steroidal Anti-inflammatory Drugs: In some patients, the administration of a non-steroidal anti-inflammatory agent can reduce the diuretic, natriuretic, and antihypertensive effects of loop, potassium-sparing and thiazide diuretics.
non-steroidal anti-inflammatory agent
potassium-sparing diuretics
EFFECT
Hydrochlorothiazide_ddi.xml
DDI-DrugBank.d162.s12
DDI-DrugBank.d162.s12.p5