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[The GABA-ergic system and brain edema] It has been shown in rats with experimental toxic and traumatic edemas that picrotoxin (1 mg/kg) removes the antiedematous action of diazepam, phenazepam, phenibut and amizyl and reduces the action of phentolamine.
picrotoxin
phenibut
EFFECT
2857099.xml
DDI-MedLine.d27.s0
DDI-MedLine.d27.s0.p2
- 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
acetophenazine
Tindal
NONE
Sulfapyridine_ddi.xml
DDI-DrugBank.d179.s21
DDI-DrugBank.d179.s21.p24
Coadministration of NIZORAL Tablets with midazolam or triazolam has resulted in elevated plasma concentrations of the latter two drugs.
midazolam
triazolam
NONE
Ketoconazole_ddi.xml
DDI-DrugBank.d458.s12
DDI-DrugBank.d458.s12.p2
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
clozapine
MECHANISM
Carbamazepine_ddi.xml
DDI-DrugBank.d94.s11
DDI-DrugBank.d94.s11.p8
Dexbrompheniramine can interact with alcohol or other CNS depressants (may potentiate the CNS depressant effects of either these medications or antihistamines), anticholinergics or other medications with anticholinergic activity (anticholinergic effects may be potentiated when these medications are used concurrently with antihistamines), and monoamine oxidase (MAO) inhibitors (concurrent use with antihistamines may prolong and intensify the anticholinergic and CNS depressant effects of antihistamines).
antihistamines
monoamine oxidase (MAO) inhibitors
NONE
Brompheniramine_ddi.xml
DDI-DrugBank.d192.s0
DDI-DrugBank.d192.s0.p30
DIDREX should not be used concomitantly with other CNS stimulants.
DIDREX
CNS stimulants
ADVISE
Benzphetamine_ddi.xml
DDI-DrugBank.d477.s1
DDI-DrugBank.d477.s1.p0
The MPTP-induced neuronal damage produced a tolerance to the disruptive effects of amphetamine and a supersensitivity to the disruptive effects of apomorphine in rats responding in a schedule controlled paradigm.
MPTP
amphetamine
EFFECT
3871245.xml
DDI-MedLine.d73.s3
DDI-MedLine.d73.s3.p0
Amphotericin B or Corticosteroids or Corticotropin (ACTH)
Amphotericin B
Corticosteroids
NONE
Hydroflumethiazide_ddi.xml
DDI-DrugBank.d17.s9
DDI-DrugBank.d17.s9.p0
Paroxetine produced only minor changes in the levels of clozapine and its metabolites.
Paroxetine
clozapine
MECHANISM
Clozapine_ddi.xml
DDI-DrugBank.d480.s21
DDI-DrugBank.d480.s21.p0
5HT3 Antagonists: Based on reports of profound hypotension and loss of consciousness when apomorphine was administered with ondansetron, the concomitant use of apomorphine with drugs of the 5HT3 antagonist class (including, for example, ondansetron, granisetron, dolasetron, palonosetron, and alosetron) is contraindicated .
apomorphine
palonosetron
ADVISE
Apomorphine_ddi.xml
DDI-DrugBank.d357.s0
DDI-DrugBank.d357.s0.p28
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.
ethosuximide
haloperidol
NONE
Carbamazepine_ddi.xml
DDI-DrugBank.d94.s11
DDI-DrugBank.d94.s11.p603
Beta blockers may exacerbate the hypertensive response seen with clonidine withdrawl.
Beta blockers
clonidine
EFFECT
Clonidine_ddi.xml
DDI-DrugBank.d495.s6
DDI-DrugBank.d495.s6.p0
Isoproterenol hydrochloride injection and epinephrine should not be administered simultaneously because both drugs are direct cardiac stimulants and their combined effects may induce serious arrhythmias.
Isoproterenol hydrochloride
epinephrine
ADVISE
Isoproterenol_ddi.xml
DDI-DrugBank.d55.s0
DDI-DrugBank.d55.s0.p0
Curariform muscle relaxants (eg, tubocurarine) and other drugs, including ether, succinylcholine, gallamine, decamethonium and sodium citrate, potentiate the neuromuscular blocking effect and should be used with extreme caution in patients being treated with Coly-Mycin M Parenteral.
succinylcholine
Coly-Mycin M
EFFECT
Colistimethate_ddi.xml
DDI-DrugBank.d250.s2
DDI-DrugBank.d250.s2.p14
d-amphetamine with desipramine or protriptyline and possibly other tricyclics cause striking and sustained increases in the concentration of d-amphetamine in the brain;
d-amphetamine
tricyclics
MECHANISM
Dextroamphetamine_ddi.xml
DDI-DrugBank.d236.s8
DDI-DrugBank.d236.s8.p2
Cyclosporine, Digoxin, Methotrexate Lodine, like other NSAIDs, through effects on renal prostaglandins, may cause changes in the elimination of these drugs leading to elevated serum levels of cyclosporine, digoxin, methotrexate, and increased toxicity.
NSAIDs
digoxin
MECHANISM
Etodolac_ddi.xml
DDI-DrugBank.d219.s7
DDI-DrugBank.d219.s7.p5
The vasodilating effects of isosorbide dinitrate may be additive with those of other vasodilators.
isosorbide dinitrate
vasodilators
EFFECT
Isosorbide Dinitrate_ddi.xml
DDI-DrugBank.d465.s0
DDI-DrugBank.d465.s0.p0
Anticonvulsants (carbamazepine, felbamate, phenobarbital, phenytoin, topiramate): Increase the metabolism of ethinyl estradiol and/or some progestins, leading to possible decrease in contraceptive effectiveness.
phenobarbital
phenytoin
NONE
Ethynodiol Diacetate_ddi.xml
DDI-DrugBank.d485.s12
DDI-DrugBank.d485.s12.p18
Also, due to the potential for additive effects such as bradycardia and AV block, caution is warranted in patients receiving clonidine with agents known to affect sinus node function or AV nodal conduction (e.g., digitalis, calcium channel blockers, and beta-blockers.)
clonidine
digitalis
ADVISE
Clonidine_ddi.xml
DDI-DrugBank.d495.s7
DDI-DrugBank.d495.s7.p0
Therefore, co-administration of bupropion with drugs that are metabolized by CYP2D6 isoenzyme including certain antidepressants (e.g., nortriptyline, imipramine, desipramine, paroxetine, fluoxetine, sertraline), antipsychotics (e.g., haloperidol, risperidone, thioridazine), beta-blockers (e.g., metoprolol), and Type 1C antiarrhythmics (e.g., propafenone, flecainide), should be approached with caution and should be initiated at the lower end of the dose range of the concomitant medication.
bupropion
desipramine
ADVISE
Bupropion_ddi.xml
DDI-DrugBank.d5.s17
DDI-DrugBank.d5.s17.p3
- Perhexiline hydrogen maleate or MAO-inhibitors (with hepatotoxic potential) must not be administered together with Bezalip or Bezalip retard.
MAO-inhibitors
Bezalip retard
ADVISE
Bezafibrate_ddi.xml
DDI-DrugBank.d291.s11
DDI-DrugBank.d291.s11.p4
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).
psychoactive drugs
barbiturates
NONE
Nabilone_ddi.xml
DDI-DrugBank.d552.s0
DDI-DrugBank.d552.s0.p7
Short-term pharmacokinetic studies have demonstrated that concomitant administration of warfarin and Lodine (etodolac capsules and tablets) results in reduced protein binding of warfarin, but there was no change in the clearance of free warfarin.
warfarin
etodolac
MECHANISM
Etodolac_ddi.xml
DDI-DrugBank.d219.s23
DDI-DrugBank.d219.s23.p1
Chlorotrianisene may interact with antidepressants, aspirin, barbiturates, bromocriptine, calcium supplements, corticosteroids, corticotropin, cyclosporine, dantrolene, nicotine, somatropin, tamoxifen, and warfarin.
antidepressants
nicotine
NONE
Chlorotrianisene_ddi.xml
DDI-DrugBank.d446.s0
DDI-DrugBank.d446.s0.p21
The majority of patients in RA clinical studies received one or more of the following concomitant medications with ORENCIA: MTX, NSAIDs, corticosteroids, TNF blocking agents, azathioprine, chloroquine, gold, hydroxychloroquine, leflunomide, sulfasalazine, and anakinra.
ORENCIA
azathioprine
NONE
Abatacept_ddi.xml
DDI-DrugBank.d297.s2
DDI-DrugBank.d297.s2.p4
- Phenytoin (e.g., Dilantin) Use of phenytoin with sulfapyridine may increase the chance of side effects affecting the liver and/or the side effects of phenytoin
phenytoin
sulfapyridine
EFFECT
Sulfapyridine_ddi.xml
DDI-DrugBank.d179.s40
DDI-DrugBank.d179.s40.p7
Drugs that may have their plasma concentration altered by Gleevec Gleevec increases the mean cmax and AUC of simvastatin (CYP3A4 substrate) 2- and 3.5-fold, respectively, suggesting an inhibition of the CYP3A4 by Gleevec.
Gleevec
simvastatin
MECHANISM
Imatinib_ddi.xml
DDI-DrugBank.d115.s8
DDI-DrugBank.d115.s8.p3
Amphotericin, Foscarnet, and Aminoglycosides: Drugs such as amphotericin, foscarnet, and aminoglycosides may increase the risk of developing peripheral neuropathy or other HIVID-associated adverse events by interfering with the renal clearance of zalcitabine (thereby raising systemic exposure).
amphotericin
zalcitabine
MECHANISM
Zalcitabine_ddi.xml
DDI-DrugBank.d263.s18
DDI-DrugBank.d263.s18.p21
The antihypertensive effects of methyldopa, mecamylamine, reserpine, and veratrum alkaloids may be reduced by sympathomimetics.
veratrum alkaloids
sympathomimetics
EFFECT
Azatadine_ddi.xml
DDI-DrugBank.d448.s3
DDI-DrugBank.d448.s3.p9
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
barbiturates
ADVISE
Nabilone_ddi.xml
DDI-DrugBank.d552.s0
DDI-DrugBank.d552.s0.p3
Beta-blockers, clonidine, lithium salts, and alcohol may either potentiate or weaken the blood-glucose-lowering effect of insulin.
Beta-blockers
insulin
EFFECT
Insulin Glargine recombinant_ddi.xml
DDI-DrugBank.d527.s3
DDI-DrugBank.d527.s3.p3
As with some other nondepolarizing neuromuscular blocking agents, the time of onset of neuromuscular block induced by NUROMAX is lengthened and the duration of block is shortened in patients receiving phenytoin or carbamazepine.
nondepolarizing neuromuscular blocking agents
phenytoin
EFFECT
Doxacurium chloride_ddi.xml
DDI-DrugBank.d267.s6
DDI-DrugBank.d267.s6.p1
Effects of Erythromycin on Felbatol The coadministration of erythromycin (1000 mg/day) for 10 days did not alter the pharmacokinetic parameters of Cmax, Cmin, AUC, CI/kg or tmax at felbamate daily doses of 3000 or 3600 mg/day in 10 otherwise healthy subjects with epilepsy.
Erythromycin
erythromycin
NONE
Felbamate_ddi.xml
DDI-DrugBank.d434.s36
DDI-DrugBank.d434.s36.p1
Due to a theoretical risk of a pharmacodynamic interaction, use of ergotamine-containing or ergot-type medications (like dihydroergotamine or methysergide) and FROVA within 24 hours of each other should be avoided (see a href= frova_od.htm#CI CONTRAINDICATIONS).
ergot-type medications
FROVA
ADVISE
Frovatriptan_ddi.xml
DDI-DrugBank.d426.s1
DDI-DrugBank.d426.s1.p6
Propranolol: May decrease aspirins anti-inflammatory action by competing for the same receptors.
Propranolol
aspirins
EFFECT
Aspirin_ddi.xml
DDI-DrugBank.d443.s8
DDI-DrugBank.d443.s8.p0
Interactions may occur with the following: adrenocorticoids (cortisone-like medicine), anticoagulants (blood thinners), carbamazepine, corticotropin (barbiturates may decrease the effects of these medicines), central nervous system (CNS) depressants (using these medicines with barbiturates may result in increased CNS depressant effects), divalproex sodium, valproic acid (using these medicines with barbiturates may change the amount of either medicine that you need to take), and oral contraceptives containing estrogens (barbiturates may decrease the effectiveness of these oral contraceptives, and you may need to change to a different type of birth control).
barbiturates
estrogens
NONE
Butabarbital_ddi.xml
DDI-DrugBank.d184.s0
DDI-DrugBank.d184.s0.p67
Potential pharmacokinetic interactions were assessed in clinical pharmacokinetic studies (phenytoin, valproate, oral contraceptive, digoxin, warfarin, probenecid) and through pharmacokinetic screening in the placebo-controlled clinical studies in epilepsy patients.
digoxin
warfarin
NONE
Levetiracetam_ddi.xml
DDI-DrugBank.d212.s5
DDI-DrugBank.d212.s5.p12
Furosemide: Clinical studies, as well as random observations, have shown that ibuprofen can reduce the natriuretic effect of furosemide and thiazides in some patients.
ibuprofen
thiazides
EFFECT
Ibuprofen_ddi.xml
DDI-DrugBank.d415.s9
DDI-DrugBank.d415.s9.p4
Anticoagulants: There have been reports of increased anticoagulant effects when erythromycin and oral anticoagulants were used concomitantly.
erythromycin
anticoagulants
EFFECT
Dirithromycin_ddi.xml
DDI-DrugBank.d522.s21
DDI-DrugBank.d522.s21.p2
Naproxen and other NSAIDs can reduce the antihypertensive effect of propranolol and other beta-blockers.
NSAIDs
propranolol
EFFECT
Naproxen_ddi.xml
DDI-DrugBank.d85.s9
DDI-DrugBank.d85.s9.p3
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.
chlorpropamide
triclofos sodium
NONE
Anisindione_ddi.xml
DDI-DrugBank.d64.s87
DDI-DrugBank.d64.s87.p491
Intestinal adsorbents (e. g., charcoal) and digestive enzyme preparations containing carbohydrate-splitting enzymes (e. g., amylase, pancreatin) may reduce the effect of Acarbose and should not be taken concomitantly.
amylase
Acarbose
MECHANISM
Acarbose_ddi.xml
DDI-DrugBank.d536.s4
DDI-DrugBank.d536.s4.p13
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.
azithromycin
midazolam
MECHANISM
Azithromycin_ddi.xml
DDI-DrugBank.d53.s7
DDI-DrugBank.d53.s7.p7
No Important Interactions To Date Levosimendan does not have clinically important pharmacokinetic interactions with captopril, beta-blockers, felodipine, digoxin, warfarin, isosorbide mononitrate, carvedilol, ethanol or itraconazole.
felodipine
digoxin
NONE
Levosimendan_ddi.xml
DDI-DrugBank.d189.s0
DDI-DrugBank.d189.s0.p24
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.
irbesartan
warfarin
NONE
Irbesartan_ddi.xml
DDI-DrugBank.d27.s4
DDI-DrugBank.d27.s4.p12
Acetaminophen: May increase plasma concentration of synthetic estrogens, possibly by inhibiting conjugation.
Acetaminophen
synthetic estrogens
MECHANISM
Ethynodiol Diacetate_ddi.xml
DDI-DrugBank.d485.s2
DDI-DrugBank.d485.s2.p0
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.
anticoagulant
antihistamines
EFFECT
Anisindione_ddi.xml
DDI-DrugBank.d64.s29
DDI-DrugBank.d64.s29.p3
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.
bupropion
zonisamide
NONE
Carbamazepine_ddi.xml
DDI-DrugBank.d94.s11
DDI-DrugBank.d94.s11.p214
Amprenavir plus rifabutin was poorly tolerated, and 5 of 11 subjects discontinued therapy.
Amprenavir
rifabutin
EFFECT
11158747.xml
DDI-MedLine.d3.s12
DDI-MedLine.d3.s12.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.
delavirdine
lamotrigine
NONE
Carbamazepine_ddi.xml
DDI-DrugBank.d94.s11
DDI-DrugBank.d94.s11.p450
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
isoniazid
MECHANISM
Carbamazepine_ddi.xml
DDI-DrugBank.d94.s4
DDI-DrugBank.d94.s4.p11
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
thiazide diuretics
MECHANISM
Cholestyramine_ddi.xml
DDI-DrugBank.d566.s0
DDI-DrugBank.d566.s0.p3
Digoxin - In subjects who had received 21 days of 40 mg/day racemic citalopram, combined administration of citalopram and digoxin (single dose of 1 mg) did not significantly affect the pharmacokinetics of either citalopram or digoxin.
Digoxin
citalopram
NONE
Escitalopram_ddi.xml
DDI-DrugBank.d568.s9
DDI-DrugBank.d568.s9.p3
Propoxyphene: In cases of propoxyphene overdosage, amphetamine CNS stimulation is potentiated and fatal convulsions can occur.
propoxyphene
amphetamine
EFFECT
Dextroamphetamine_ddi.xml
DDI-DrugBank.d236.s27
DDI-DrugBank.d236.s27.p2
In a comparison of digitalis tolerance in dogs anesthetized with ketamine, Innovar Vet, or pentobarbital, the dosage of ouabain needed to cause ventricular tachycardia was significantly higher, as was the LD50 of ouabain, with ketamine or Innovar than with pentobarbital.
Innovar Vet
ouabain
EFFECT
1167743.xml
DDI-MedLine.d23.s1
DDI-MedLine.d23.s1.p16
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
famotidine
MECHANISM
Cidofovir_ddi.xml
DDI-DrugBank.d260.s0
DDI-DrugBank.d260.s0.p24
Plasma exposure of diazepam (10 mg BID) was increased by 28% following administration of valdecoxib (40 mg BID) for 12 days, while plasma exposure of valdecoxib (40 mg BID) was not substantially increased following administration of diazepam (10 mg BID) for 12 days.
diazepam
diazepam
NONE
Valdecoxib_ddi.xml
DDI-DrugBank.d328.s48
DDI-DrugBank.d328.s48.p2
Omeprazole: The rate and extent of absorption of ciprofloxacin was bioequivalent when Proquin XR was given alone or when Proquin XR was given 2 hours after omeprazole at the dose that maximally suppresses gastric acid secretion.
Proquin XR
Proquin XR
NONE
Ciprofloxacin_ddi.xml
DDI-DrugBank.d123.s12
DDI-DrugBank.d123.s12.p7
When concomitant administration of ketoconazole with aripiprazole occurs, aripiprazole dose should be reduced to one-half of its normal dose.
ketoconazole
aripiprazole
ADVISE
Aripiprazole_ddi.xml
DDI-DrugBank.d509.s11
DDI-DrugBank.d509.s11.p0
Certain drugs including thiazides, corticosteroids, thyroid products, and sympathomimetics may reduce the hypoglycemic action of Starlix and other oral antidiabetic drugs.
corticosteroids
antidiabetic drugs
EFFECT
Nateglinide_ddi.xml
DDI-DrugBank.d460.s15
DDI-DrugBank.d460.s15.p8
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
Lidocaine_ddi.xml
DDI-DrugBank.d564.s0
DDI-DrugBank.d564.s0.p8
There have been reports of interactions of erythromycin with carbamazepine, cyclosporine, tacrolimus, hexobarbital, phenytoin, alfentanil, cisapride, disopyramide, lovastatin, bromocriptine, valproate, terfenadine, and astemizole.
erythromycin
carbamazepine
INT
Erythromycin_ddi.xml
DDI-DrugBank.d397.s8
DDI-DrugBank.d397.s8.p0
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.
DURAGESIC
anesthetics
EFFECT
Fentanyl_ddi.xml
DDI-DrugBank.d170.s5
DDI-DrugBank.d170.s5.p19
Fenfluramine may increase slightly the effect of antihypertensive drugs, e.g., guanethidine, methyldopa, reserpine.
Fenfluramine
reserpine
EFFECT
Fenfluramine_ddi.xml
DDI-DrugBank.d104.s0
DDI-DrugBank.d104.s0.p3
Valproate: Tiagabine causes a slight decrease (about 10%) in steady-state valproate concentrations.
Tiagabine
valproate
MECHANISM
Tiagabine_ddi.xml
DDI-DrugBank.d277.s7
DDI-DrugBank.d277.s7.p2
Interaction on the antinociceptive effect between neurotensin and enkephalins or tuftsin.
neurotensin
tuftsin
EFFECT
6545985.xml
DDI-MedLine.d131.s0
DDI-MedLine.d131.s0.p1
ZEBETA should be used with care when myocardial depressants or inhibitors of AV conduction, such as certain calcium antagonists (particularly of the phenylalkylamine [verapamil] and benzothiazepine [diltiazem] classes), or antiarrhythmic agents, such as disopyramide, are used concurrently.
ZEBETA
diltiazem
ADVISE
Bisoprolol_ddi.xml
DDI-DrugBank.d476.s3
DDI-DrugBank.d476.s3.p5
Because lithium may enhance the serotonergic effects of escitalopram, caution should be exercised when LEXAPRO and lithium are coadministered.
escitalopram
LEXAPRO
NONE
Escitalopram_ddi.xml
DDI-DrugBank.d568.s12
DDI-DrugBank.d568.s12.p3
In common with other broad-spectrum antibiotics, AUGMENTIN XR may reduce the efficacy of oral contraceptives
AUGMENTIN XR
contraceptives
EFFECT
Clavulanate_ddi.xml
DDI-DrugBank.d419.s5
DDI-DrugBank.d419.s5.p2
Co-administration of CYP3A4 inhibitors (eg, ketoconazole, itraconazole, erythromycin, grapefruit juice, cimetidine) with felodipine may lead to several- fold increases in the plasma levels of felodipine, either due to an increase in bioavailability or due to a decrease in metabolism.
cimetidine
felodipine
NONE
Felodipine_ddi.xml
DDI-DrugBank.d316.s1
DDI-DrugBank.d316.s1.p13
Animal experience indicates that clorazepate dipotassium prolongs the sleeping time after hexobarbital or after ethyl alcohol, increases the inhibitory effects of chlorpromazine, but does not exhibit monoamine oxidase inhibition.
hexobarbital
chlorpromazine
NONE
Clorazepate_ddi.xml
DDI-DrugBank.d335.s1
DDI-DrugBank.d335.s1.p4
An encephalopathic syndrome (characterized by weakness, lethargy, fever, tremulousness and confusion, extrapyramidal symptoms, leukocytosis, elevated serum enzymes, BUN, and FBS) followed by irreversible brain damage has occurred in a few patients treated with lithium plus HALDOL.
lithium
HALDOL
EFFECT
Haloperidol_ddi.xml
DDI-DrugBank.d186.s0
DDI-DrugBank.d186.s0.p0
conversely, diethylpropion may interfere with antihypertensive drugs (i.e., guanethidine, a-methyldopa).
diethylpropion
a-methyldopa
INT
Diethylpropion_ddi.xml
DDI-DrugBank.d352.s3
DDI-DrugBank.d352.s3.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.
Tylenol
Astramorph
NONE
Etonogestrel_ddi.xml
DDI-DrugBank.d484.s0
DDI-DrugBank.d484.s0.p117
Drugs which may enhance the neuromuscular blocking action of TRACRIUM include: enflurane;isoflurane;halothane;certain antibiotics, especially the aminoglycosides and polymyxins;lithium;magnesium salts;procainamide;and quinidine.
TRACRIUM
antibiotics
EFFECT
Atracurium_ddi.xml
DDI-DrugBank.d469.s7
DDI-DrugBank.d469.s7.p3
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.
resin
phenobarbital
NONE
Cholestyramine_ddi.xml
DDI-DrugBank.d566.s0
DDI-DrugBank.d566.s0.p18
The plasma concentration of imipramine may increase when the drug is given concomitantly with hepatic enzyme inhibitors (e.g., cimetidine, fluoxetine) and decrease by concomitant administration of hepatic enzyme inducers (e.g., barbiturates, phenytoin), and adjustment of the dosage of imipramine may therefore be necessary.
barbiturates
imipramine
NONE
Imipramine_ddi.xml
DDI-DrugBank.d77.s5
DDI-DrugBank.d77.s5.p13
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.
alcohol
salicylates
NONE
Anisindione_ddi.xml
DDI-DrugBank.d64.s87
DDI-DrugBank.d64.s87.p97
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
magnesium
MECHANISM
Didanosine_ddi.xml
DDI-DrugBank.d43.s8
DDI-DrugBank.d43.s8.p19
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.
androgens
perchlorate
NONE
Levothyroxine_ddi.xml
DDI-DrugBank.d411.s4
DDI-DrugBank.d411.s4.p97
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
Crixivan
INT
Etonogestrel_ddi.xml
DDI-DrugBank.d484.s0
DDI-DrugBank.d484.s0.p25
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.
Topamax
Gris-PEG
NONE
Etonogestrel_ddi.xml
DDI-DrugBank.d484.s0
DDI-DrugBank.d484.s0.p431
When CANCIDAS is co-administered with inducers of drug clearance, such as efavirenz, nevirapine, phenytoin, dexamethasone, or carbamazepine, use of a daily dose of 70 mg of CANCIDAS should be considered
CANCIDAS
nevirapine
ADVISE
Caspofungin_ddi.xml
DDI-DrugBank.d350.s14
DDI-DrugBank.d350.s14.p1
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.
estrogens
progestins
NONE
Cholestyramine_ddi.xml
DDI-DrugBank.d566.s0
DDI-DrugBank.d566.s0.p75
Diuretic: Hydrochlorothiazide, given concomitantly with ketoprofen, produces a reduction in urinary potassium and chloride excretion compared to hydrochlorothiazide alone.
Hydrochlorothiazide
ketoprofen
EFFECT
Ketoprofen_ddi.xml
DDI-DrugBank.d499.s10
DDI-DrugBank.d499.s10.p3
Therophylline: A recent study has shown that concomitan administration of isoniazid and theophylline may cause elevated plasma levels of theophylline, and in some instances a slight decrease in the elimination of isoniazid.
isoniazid
theophylline
MECHANISM
Isoniazid_ddi.xml
DDI-DrugBank.d187.s11
DDI-DrugBank.d187.s11.p0
Therefore, increased monitoring of digoxin is recommended when initiating, adjusting, or discontinuing COREG.
digoxin
COREG
ADVISE
Carvedilol_ddi.xml
DDI-DrugBank.d269.s13
DDI-DrugBank.d269.s13.p0
Co-administration of BOTOX and aminoglycosides or other agents interfering with neuromuscular transmission (e.g., curare-like compounds) should only be performed with caution as the effect of the toxin may be potentiated.
BOTOX
curare-like compounds
ADVISE
Botulinum Toxin Type A_ddi.xml
DDI-DrugBank.d133.s0
DDI-DrugBank.d133.s0.p1
Because tetracyclines have been shown to depress plasma prothrombin activity, patients who are on anticoagulant therapy may require downward adjustment of their anticoagulant dosage.
tetracyclines
anticoagulant
ADVISE
Doxycycline_ddi.xml
DDI-DrugBank.d500.s0
DDI-DrugBank.d500.s0.p0
Interactions with Mixed Agonist/Antagonist Opioid Analgesics: Agonist/antagonist analgesics (eg, pentazocine, nalbuphine, butorphanol, dezocine and buprenorphine) should NOT be administered to a patient who has received or is receiving a course of therapy with a pure agonist opioid analgesic such as Levo-Dromoran.
butorphanol
Levo-Dromoran
ADVISE
Levorphanol_ddi.xml
DDI-DrugBank.d257.s6
DDI-DrugBank.d257.s6.p29
Fenfluramine may increase slightly the effect of antihypertensive drugs, e.g., guanethidine, methyldopa, reserpine.
Fenfluramine
antihypertensive drugs
EFFECT
Fenfluramine_ddi.xml
DDI-DrugBank.d104.s0
DDI-DrugBank.d104.s0.p0
If concomitant treatment with naratriptan and an SSRI is clinically warranted, appropriate observation of the patient is advised.
naratriptan
SSRI
ADVISE
Naratriptan_ddi.xml
DDI-DrugBank.d478.s5
DDI-DrugBank.d478.s5.p0
Cardiac Glycosides: In a study of young healthy male subjects no evidence of a direct pharmacokinetic captopril-digoxin interaction could be found.
Cardiac Glycosides
digoxin
NONE
Captopril_ddi.xml
DDI-DrugBank.d175.s21
DDI-DrugBank.d175.s21.p1
Anticonvulsants (carbamazepine, felbamate, phenobarbital, phenytoin, topiramate): Increase the metabolism of ethinyl estradiol and/or some progestins, leading to possible decrease in contraceptive effectiveness.
phenytoin
progestins
MECHANISM
Ethynodiol Diacetate_ddi.xml
DDI-DrugBank.d485.s12
DDI-DrugBank.d485.s12.p24
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.
clarithromycin
itraconazole
NONE
Carbamazepine_ddi.xml
DDI-DrugBank.d94.s4
DDI-DrugBank.d94.s4.p106
Studies have shown that lansoprazole does not have clinically significant interactions with other drugs metabolized by the cytochrome P450 system, such as warfarin, antipyrine, indomethacin, ibuprofen, phenytoin, propranolol, prednisone, diazepam, clarithromycin, or terfenadine in healthy subjects.
phenytoin
terfenadine
NONE
Lansoprazole_ddi.xml
DDI-DrugBank.d431.s1
DDI-DrugBank.d431.s1.p44
Colestipol: Plasma concentrations of atorvastatin decreased approximately 25% when colestipol and atorvastatin were coadministered.
colestipol
atorvastatin
MECHANISM
Atorvastatin_ddi.xml
DDI-DrugBank.d140.s4
DDI-DrugBank.d140.s4.p5
The effect of TORADOL on plasma lithium has not been studied, but cases of increased lithium plasma levels during TORADOL therapy have been reported.
TORADOL
lithium
NONE
Ketorolac_ddi.xml
DDI-DrugBank.d3.s12
DDI-DrugBank.d3.s12.p1
Therefore, when heparin sodium is given with dicumarol or warfarin sodium, a period of at least 5 hours after the last intravenous dose or 24 hours after the last subcutaneous dose should elapse before blood is drawn if a valid prothrombin time is to be obtained.
heparin sodium
warfarin sodium
ADVISE
Heparin_ddi.xml
DDI-DrugBank.d488.s1
DDI-DrugBank.d488.s1.p1
Effects of Other Antiepileptic Drugs on Felbatol Phenytoin: Phenytoin causes an approximate doubling of the clearance of Felbatol (felbamate) at steady state and, therefore, the addition of phenytoin causes an approximate 45% decrease in the steady-state trough concentrations of Felbatol as compared to the same dose of Felbatol given as monotherapy.
Phenytoin
Phenytoin
NONE
Felbamate_ddi.xml
DDI-DrugBank.d434.s30
DDI-DrugBank.d434.s30.p15