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Isoflurane, enflurane, and halothane decrease the ED50 of NUROMAX by 30% to 45%.
enflurane
NUROMAX
MECHANISM
Doxacurium chloride_ddi.xml
DDI-DrugBank.d267.s3
DDI-DrugBank.d267.s3.p4
Potassium Supplements and Potassium-Sparing Diuretics: Fosinopril sodium can attenuate potassium loss caused by thiazide diuretics.
Potassium
Fosinopril sodium
NONE
Fosinopril_ddi.xml
DDI-DrugBank.d176.s3
DDI-DrugBank.d176.s3.p1
Because prostaglandins play an important role in hemostasis, and NSAIDs affect platelet function as well, concurrent therapy with all NSAIDs, including diclofenac, and warfarin requires close monitoring of patients to be certain that no change in their anticoagulant dosage is required.
diclofenac
warfarin
ADVISE
Diclofenac_ddi.xml
DDI-DrugBank.d249.s2
DDI-DrugBank.d249.s2.p7
Increasing the indinavir dose to 1000 mg every 8 hours does not compensate for the increased indinavir metabolism due to efavirenz.
indinavir
indinavir
NONE
Indinavir_ddi.xml
DDI-DrugBank.d97.s41
DDI-DrugBank.d97.s41.p0
Anticonvulsants (carbamazepine, felbamate, phenobarbital, phenytoin, topiramate): Increase the metabolism of ethinyl estradiol and/or some progestins, leading to possible decrease in contraceptive effectiveness.
felbamate
progestins
MECHANISM
Ethynodiol Diacetate_ddi.xml
DDI-DrugBank.d485.s12
DDI-DrugBank.d485.s12.p17
the doses of naloxone required to antagonize the effects of (-)-NANM were more than 100 times higher than those required to antagonize the effects of morphine.
naloxone
(-)-NANM
EFFECT
3968644.xml
DDI-MedLine.d30.s9
DDI-MedLine.d30.s9.p0
Flurbiprofen pretreatment attenuated the hypotensive effect of a single dose of propranolol but not atenolol.
Flurbiprofen
propranolol
EFFECT
Flurbiprofen_ddi.xml
DDI-DrugBank.d529.s8
DDI-DrugBank.d529.s8.p0
Oral contraceptives: Aprepitant, when given once daily for 14 days as a 100-mg capsule with an oral contraceptive containing 35 mcg of ethinyl estradiol and 1 mg of norethindrone, decreased the AUC of ethinyl estradiol by 43%, and decreased the AUC of norethindrone by 8%;
Aprepitant
contraceptive
NONE
Aprepitant_ddi.xml
DDI-DrugBank.d382.s19
DDI-DrugBank.d382.s19.p6
These results suggest that the analgesic effect of STADOL NS may be diminished when it is administered shortly after sumatriptan nasal spray, but by 30 minutes any such reduction in effect should be minimal.
STADOL NS
sumatriptan
EFFECT
Butorphanol_ddi.xml
DDI-DrugBank.d246.s7
DDI-DrugBank.d246.s7.p0
In a Phase I trial using escalating doses of TAXOL (110-200 mg/m2) and cisplatin (50 or 75 mg/m2) given as sequential infusions, myelosuppression was more profound when TAXOL was given after cisplatin than with the alternate sequence (ie, TAXOL before cisplatin).
TAXOL
cisplatin
EFFECT
Paclitaxel_ddi.xml
DDI-DrugBank.d288.s0
DDI-DrugBank.d288.s0.p9
Patients receiving concomitant lovastatin and erythromycin should be carefully monitored;
lovastatin
erythromycin
ADVISE
Erythromycin_ddi.xml
DDI-DrugBank.d397.s15
DDI-DrugBank.d397.s15.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.
Curariform muscle relaxants
decamethonium
NONE
Colistimethate_ddi.xml
DDI-DrugBank.d250.s2
DDI-DrugBank.d250.s2.p3
Anticholinergic drugs may antagonize the effects of the drugs that alter gastrointestinal motility, such as metoclopramide.
Anticholinergic drugs
metoclopramide
MECHANISM
Dicyclomine_ddi.xml
DDI-DrugBank.d543.s6
DDI-DrugBank.d543.s6.p0
Although clinical studies have not been performed, based on the involvement of the cytochrome P-450 3A family in clonazepam metabolism, inhibitors of this enzyme system, notably oral antifungal agents, should be used cautiously in patients receiving clonazepam.
antifungal agents
clonazepam
ADVISE
Clonazepam_ddi.xml
DDI-DrugBank.d333.s6
DDI-DrugBank.d333.s6.p2
There have been reports of interactions of erythromycin with carbamazepine, cyclosporine, tacrolimus, hexobarbital, phenytoin, alfentanil, cisapride, disopyramide, lovastatin, bromocriptine, valproate, terfenadine, and astemizole.
alfentanil
bromocriptine
NONE
Erythromycin_ddi.xml
DDI-DrugBank.d397.s8
DDI-DrugBank.d397.s8.p66
H-2 Antagonists: In studies with human volunteers, co-administration of cimetidine or ranitidine with ibuprofen had no substantive effect on ibuprofen serum concentrations.
ibuprofen
ibuprofen
NONE
Ibuprofen_ddi.xml
DDI-DrugBank.d415.s8
DDI-DrugBank.d415.s8.p5
Inhibitors Of Endogenous Prostaglandin Synthesis It has been reported that indomethacin may reduce the antihypertensive effect of captopril, especially in cases of low renin hypertension.
indomethacin
captopril
EFFECT
Captopril_ddi.xml
DDI-DrugBank.d175.s16
DDI-DrugBank.d175.s16.p0
Methotrexate: Concomitant administration of methotrexate and some NSAIDs has been reported to reduce the clearance of methotrexate, enhancing the toxicity of methotrexate.
Methotrexate
methotrexate
NONE
Ketorolac_ddi.xml
DDI-DrugBank.d3.s13
DDI-DrugBank.d3.s13.p3
When carbamazepine is added to aripiprazole therapy, aripiprazole dose should be doubled.
carbamazepine
aripiprazole
NONE
Aripiprazole_ddi.xml
DDI-DrugBank.d509.s20
DDI-DrugBank.d509.s20.p1
- a diuretic (water pill) such as hydrochlorothiazide (HCTZ, Hydrodiuril), chlorothiazide (Diuril), and others;
diuretic
Hydrodiuril
NONE
Glimepiride_ddi.xml
DDI-DrugBank.d521.s6
DDI-DrugBank.d521.s6.p2
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.
quinolones
sucralfate
MECHANISM
Grepafloxacin_ddi.xml
DDI-DrugBank.d78.s1
DDI-DrugBank.d78.s1.p4
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.
amiodarone
heparin
NONE
Levothyroxine_ddi.xml
DDI-DrugBank.d411.s4
DDI-DrugBank.d411.s4.p78
Agents Increasing Serum Potassium: Enalapril and enalapril IV attenuate potassium loss caused by thiazide-type diuretics.
enalapril
thiazide-type diuretics
EFFECT
Enalapril_ddi.xml
DDI-DrugBank.d107.s12
DDI-DrugBank.d107.s12.p2
Phenytoin: If acitretin is given concurrently with phenytoin, the protein binding of phenytoin may be reduced.
acitretin
phenytoin
MECHANISM
Acitretin_ddi.xml
DDI-DrugBank.d353.s10
DDI-DrugBank.d353.s10.p3
Drug Interactions: Flupenthixol may interact with some drugs, like Monoamine oxidase inhibitors (MAOI): MAOI could theoretically affect flupenthixol pharmacodynamics - Arecoline - Eproxindine - Ethanol: Flupenthixol and Ethanol cause additive CNS depression - Tricyclic antidepressants: Flupenthixol increases the effect of Tricyclic antidepressants
MAOI
Ethanol
NONE
Flupenthixol_ddi.xml
DDI-DrugBank.d13.s0
DDI-DrugBank.d13.s0.p32
Nifedipine did not alter the plasma levels of Vardenafil when taken in combination.
Nifedipine
Vardenafil
NONE
Vardenafil_ddi.xml
DDI-DrugBank.d198.s26
DDI-DrugBank.d198.s26.p0
The actions of the benzodiazepines may be potentiated by barbiturates, narcotics, phenothiazines, monoamine oxidase inhibitors or other antidepressants.
benzodiazepines
phenothiazines
EFFECT
Clorazepate_ddi.xml
DDI-DrugBank.d335.s3
DDI-DrugBank.d335.s3.p2
The benzodiazepines, including alprazolam, produce additive CNS depressant effects when co-administered with other psychotropic medications, anticonvulsants, antihistaminics, ethanol, and other drugs which themselves produce CNS depression.
anticonvulsants
ethanol
NONE
Alprazolam_ddi.xml
DDI-DrugBank.d131.s0
DDI-DrugBank.d131.s0.p13
Fenfluramine may increase slightly the effect of antihypertensive drugs, e.g., guanethidine, methyldopa, reserpine.
antihypertensive drugs
reserpine
NONE
Fenfluramine_ddi.xml
DDI-DrugBank.d104.s0
DDI-DrugBank.d104.s0.p6
The anticoagulant effect of heparin is enhanced by concurrent treatment with antithrombin III (human) in patients with hereditary antithrombin III deficiency.
heparin
antithrombin III
EFFECT
Heparin_ddi.xml
DDI-DrugBank.d488.s3
DDI-DrugBank.d488.s3.p0
Valproic acid diminished binding of phenobarbital by a net change of 9.9% (percentage increase in FDF, 21.2%) at 1732 micromol/L.
Valproic acid
phenobarbital
MECHANISM
11206047.xml
DDI-MedLine.d111.s12
DDI-MedLine.d111.s12.p0
If labetalol HCl is used with nitroglycerin in patients with angina pectoris, additional antihypertensive effects may occur.
labetalol HCl
nitroglycerin
EFFECT
Labetalol_ddi.xml
DDI-DrugBank.d412.s10
DDI-DrugBank.d412.s10.p0
Sympathomimetic amines may reduce the antihypertensive effects of reserpine, veratrum alkaloids, methyldopa and mecamylamine.
veratrum alkaloids
mecamylamine
NONE
Carbinoxamine_ddi.xml
DDI-DrugBank.d389.s2
DDI-DrugBank.d389.s2.p8
Central nervous system depressant (CNS) drugs including alcohol, antidepressants, antihistamines, antipsychotics, blood pressure medications (reserpine, methyldopa, beta-blockers), motion sickness medications, muscle relaxants, narcotics, sedatives, sleeping pills and tranquilizers
antihistamines
reserpine
NONE
Citalopram_ddi.xml
DDI-DrugBank.d472.s0
DDI-DrugBank.d472.s0.p31
Certain drugs including thiazides, corticosteroids, thyroid products, and sympathomimetics may reduce the hypoglycemic action of Starlix and other oral antidiabetic drugs.
corticosteroids
Starlix
EFFECT
Nateglinide_ddi.xml
DDI-DrugBank.d460.s15
DDI-DrugBank.d460.s15.p7
During clinical trials, iloprost was used concurrently with anticoagulants, diuretics, cardiac glycosides, calcium channel blockers, analgesics, antipyretics, nonsteroidal antiinflammatories, corticosteroids, and other medications.
iloprost
diuretics
NONE
Iloprost_ddi.xml
DDI-DrugBank.d549.s3
DDI-DrugBank.d549.s3.p1
Response to sympathomimetic agents may be enhanced by colchicine.
sympathomimetic agents
colchicine
EFFECT
Colchicine_ddi.xml
DDI-DrugBank.d146.s3
DDI-DrugBank.d146.s3.p0
Antibiotics: In vitro and/or in vivo data show that clarithromycin, erythromycin, and troleandomycin markedly inhibit the metabolism of cisapride, which can result in an increase in plasma cisapride levels and prolongation of the QT interval on the ECG.
troleandomycin
cisapride
MECHANISM
Cisapride_ddi.xml
DDI-DrugBank.d237.s2
DDI-DrugBank.d237.s2.p12
Because changes in glucose concentrations with valdecoxib coadministration were within the normal variability and individual glucose concentrations were above or near 70 mg/dL, dose adjustment for glyburide (5 mg QD and 10 mg BID) with valdecoxib coadministration (up to 40 mg QD) is not indicated.
glyburide
valdecoxib
ADVISE
Valdecoxib_ddi.xml
DDI-DrugBank.d328.s35
DDI-DrugBank.d328.s35.p2
Cimetidine treatment should be stopped during treatment with ELLENCE.
Cimetidine
ELLENCE
ADVISE
Epirubicin_ddi.xml
DDI-DrugBank.d428.s11
DDI-DrugBank.d428.s11.p0
While no in vivo drug-drug interaction studies were conducted between estazolam and inducers of CYP3A, compounds that are potent CYP3A inducers (such as carbamazepine, phenytoin, rifampin, and barbiturates) would be expected to decrease estazolam concentrations.
estazolam
rifampin
MECHANISM
Estazolam_ddi.xml
DDI-DrugBank.d338.s4
DDI-DrugBank.d338.s4.p2
Both the magnitude and duration of central nervous system and cardiovascular effects may be enhanced when ALFENTA is administered in combination with other CNS depressants such as barbiturates, tranquilizers, opioids, or inhalation general anesthetics.
ALFENTA
tranquilizers
EFFECT
Alfentanil_ddi.xml
DDI-DrugBank.d8.s0
DDI-DrugBank.d8.s0.p2
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.
zinc
norfloxacin
ADVISE
Norfloxacin_ddi.xml
DDI-DrugBank.d217.s11
DDI-DrugBank.d217.s11.p13
- Perhexiline hydrogen maleate or MAO-inhibitors (with hepatotoxic potential) must not be administered together with Bezalip or Bezalip retard.
Bezalip
Bezalip retard
NONE
Bezafibrate_ddi.xml
DDI-DrugBank.d291.s11
DDI-DrugBank.d291.s11.p5
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.
imipramine
phenytoin
MECHANISM
Imipramine_ddi.xml
DDI-DrugBank.d77.s5
DDI-DrugBank.d77.s5.p3
Coingestion of acetaminophen with theophylline, phenobarbital with acetaminophen, and valproic acid with phenobarbital at high to toxic concentrations decreases the binding of the target drug.
valproic acid
phenobarbital
EFFECT
11206047.xml
DDI-MedLine.d111.s14
DDI-MedLine.d111.s14.p14
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
ketoconazole
ADVISE
Erlotinib_ddi.xml
DDI-DrugBank.d456.s1
DDI-DrugBank.d456.s1.p0
Probenecid: Probenecid interferes with renal tubular secretion of ciprofloxacin and produces an increase in the level of ciprofloxacin in serum.
Probenecid
ciprofloxacin
MECHANISM
Ciprofloxacin_ddi.xml
DDI-DrugBank.d123.s15
DDI-DrugBank.d123.s15.p4
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.p2
Magnesium- and/or aluminum-containing antacids, products containing ferrous sulfate (iron), multivitamin preparations containing zinc or other metal cations, or Videx (didanosine) chewable/buffered tablets or the pediatric powder for oral solution should not be taken within 3 hours before or 2 hours after FACTIVE.
ferrous sulfate
FACTIVE
ADVISE
Gemifloxacin_ddi.xml
DDI-DrugBank.d347.s7
DDI-DrugBank.d347.s7.p29
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 .
paroxetine
carvedilol
EFFECT
Carvedilol_ddi.xml
DDI-DrugBank.d269.s1
DDI-DrugBank.d269.s1.p19
Caffeine: Enoxacin is a potent inhibitor of the cytochrome P-450 isozymes responsible for the metabolism of methylxanthines.
Enoxacin
methylxanthines
MECHANISM
Enoxacin_ddi.xml
DDI-DrugBank.d395.s2
DDI-DrugBank.d395.s2.p2
Alcohol: In post-marketing experience, there have been rare reports of adverse neuropsychiatric events or reduced alcohol tolerance in patients who were drinking alcohol during treatment with WELLBUTRIN.
alcohol
WELLBUTRIN
EFFECT
Bupropion_ddi.xml
DDI-DrugBank.d5.s25
DDI-DrugBank.d5.s25.p5
therefore, plasma concentrations of phenytoin should also be monitored when it is given concurrently with Itraconazole.
phenytoin
Itraconazole
ADVISE
Itraconazole_ddi.xml
DDI-DrugBank.d165.s21
DDI-DrugBank.d165.s21.p0
In addition, neuromuscular blocking action is enhanced by general anesthetics, local anesthetics like lidocaine, procaine, beta-blockers, metaclopramide, lithium carbonate, and terbutaline.
beta-blockers
lithium carbonate
NONE
Decamethonium_ddi.xml
DDI-DrugBank.d167.s2
DDI-DrugBank.d167.s2.p23
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.
anticonvulsants
Atromid-S
NONE
Etonogestrel_ddi.xml
DDI-DrugBank.d484.s0
DDI-DrugBank.d484.s0.p262
Although specific studies have not been performed, coadministration with drugs that are mainly metabolized by CYP3A4 (eg, calcium channel blockers, dapsone, disopyramide, quinine, amiodarone, quinidine, warfarin, tacrolimus, cyclosporine, ergot derivatives, pimozide, carbamazepine, fentanyl, alfentanyl, alprazolam, and triazolam) may have elevated plasma concentrations when coadministered with saquinavir;
dapsone
pimozide
NONE
Saquinavir_ddi.xml
DDI-DrugBank.d124.s26
DDI-DrugBank.d124.s26.p24
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
quinidine
EFFECT
Biperiden_ddi.xml
DDI-DrugBank.d401.s0
DDI-DrugBank.d401.s0.p7
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.
carbamazepine
rifampin
NONE
Anisindione_ddi.xml
DDI-DrugBank.d64.s29
DDI-DrugBank.d64.s29.p137
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.
b-adrenergic blocking agents
chloral hydrate
NONE
Levothyroxine_ddi.xml
DDI-DrugBank.d411.s4
DDI-DrugBank.d411.s4.p237
Lincomycin has been shown to have neuromuscular blocking properties that may enhance the action of other neuromuscular blocking agents.
Lincomycin
neuromuscular blocking agents
EFFECT
Lincomycin_ddi.xml
DDI-DrugBank.d130.s0
DDI-DrugBank.d130.s0.p0
Aspirin: In normal volunteers, a small decrease in diflunisal levels was observed when multiple doses of diflunisal and aspirin were administered concomitantly.
diflunisal
aspirin
MECHANISM
Diflunisal_ddi.xml
DDI-DrugBank.d132.s25
DDI-DrugBank.d132.s25.p5
Although deferasirox has a lower affinity for aluminum than for iron, Exjade should not be taken with aluminum-containing antacid preparations.
Exjade
aluminum
ADVISE
Deferasirox_ddi.xml
DDI-DrugBank.d84.s1
DDI-DrugBank.d84.s1.p12
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.
rifampin
Phenytoin
NONE
Carbamazepine_ddi.xml
DDI-DrugBank.d94.s8
DDI-DrugBank.d94.s8.p39
and Videx , (Didanosine), chewable/buffered tablets or the pediatric powder for oral solution may substantially interfere with the absorption of quinolones, resulting in systemic levels considerably lower than desired.
Didanosine
quinolones
MECHANISM
Nalidixic Acid_ddi.xml
DDI-DrugBank.d427.s11
DDI-DrugBank.d427.s11.p2
The purpose of this study was to evaluate the effect of sodium carboxymethylcellulose (NaCMC) and carboxymethylcellulose-cysteine (CMC-Cys) conjugates on the intestinal permeation of sodium fluorescein (NaFlu) and model peptide drugs, bacitracin and insulin.
sodium carboxymethylcellulose
NaCMC
NONE
11154900.xml
DDI-MedLine.d76.s1
DDI-MedLine.d76.s1.p0
Agents that are CYP3A4 inhibitors that have been found, or are expected, to increase plasma levels of EQUETROTM are the following: Acetazolamide, azole antifungals, cimetidine, clarithromycin(1), dalfopristin, danazol, delavirdine, diltiazem, erythromycin(1), fluoxetine, fluvoxamine, grapefruit juice, isoniazid, itraconazole, ketoconazole, loratadine, nefazodone, niacinamide, nicotinamide, protease inhibitors, propoxyphene, quinine, quinupristin, troleandomycin, valproate(1), verapamil, zileuton.
niacinamide
propoxyphene
NONE
Carbamazepine_ddi.xml
DDI-DrugBank.d94.s4
DDI-DrugBank.d94.s4.p308
In general, most patients treated with dirithromycin who are receiving concomitant theophylline therapy may not require empiric adjustment of theophylline dosage or monitoring of theophylline plasma concentrations.
theophylline
theophylline
NONE
Dirithromycin_ddi.xml
DDI-DrugBank.d522.s13
DDI-DrugBank.d522.s13.p4
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
propranolol
NONE
Lansoprazole_ddi.xml
DDI-DrugBank.d431.s1
DDI-DrugBank.d431.s1.p40
Ketoconazole: Ketoconazole may inhibit both synthetic and catabolic enzymes of vitamin D.
Ketoconazole
vitamin D
MECHANISM
Calcitriol_ddi.xml
DDI-DrugBank.d384.s8
DDI-DrugBank.d384.s8.p2
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.
desipramine
propafenone
NONE
Bupropion_ddi.xml
DDI-DrugBank.d5.s17
DDI-DrugBank.d5.s17.p68
Midazolam used at doses of 1.25 mg/kg and 2.5 mg/kg decreased the antinociceptive effect of morphine, metamizol (only in the tail-flick test) and indomethacin.
Midazolam
metamizol
EFFECT
11210678.xml
DDI-MedLine.d67.s7
DDI-MedLine.d67.s7.p1
Ketamine is clinically compatible with the commonly used general and local anesthetic agents when an adequate respiratory exchange is maintained.
Ketamine
anesthetic agents
NONE
Ketamine_ddi.xml
DDI-DrugBank.d518.s1
DDI-DrugBank.d518.s1.p0
We report the case of an adolescent with altered consciousness caused by carbamazepine overdose with a positive tricyclic antidepressant level to alert clinicians to the cross-reactivity of carbamazepine with a toxicology screen for tricyclic antidepressants.
carbamazepine
carbamazepine
NONE
11134454.xml
DDI-MedLine.d36.s2
DDI-MedLine.d36.s2.p1
Injection: Lorazepam injection, like other injectable benzodiazepines, produces depression of the central nervous system when administered with ethyl alcohol, phenothiazines, barbiturates, MAO inhibitors, and other antidepressants.When scopolamine is used concomitantly with injectable lorazepam, an increased incidence of sedation, hallucinations, and irrational behavior has been observed.
Lorazepam
benzodiazepines
NONE
Lorazepam_ddi.xml
DDI-DrugBank.d18.s1
DDI-DrugBank.d18.s1.p0
Acetazolamide reduces urinary excretion of quinidine and may enhance its effect.
Acetazolamide
quinidine
MECHANISM
Acetazolamide_ddi.xml
DDI-DrugBank.d368.s10
DDI-DrugBank.d368.s10.p0
Acetaminophen: A report of severe acetaminophen toxicity was reported in a patient receiving Isoniazid.
acetaminophen
Isoniazid
EFFECT
Isoniazid_ddi.xml
DDI-DrugBank.d187.s2
DDI-DrugBank.d187.s2.p2
Monitoring for amiodarone toxicity and serial measurement of amiodarone serum concentration during concomitant protease inhibitor therapy should be considered.
amiodarone
protease inhibitor
ADVISE
Amiodarone_ddi.xml
DDI-DrugBank.d143.s13
DDI-DrugBank.d143.s13.p2
The absorption of lymecycline may be affected by the simultaneous administration of indigestion remedies, iron or zinc supplements.
iron
zinc
NONE
Lymecycline_ddi.xml
DDI-DrugBank.d79.s0
DDI-DrugBank.d79.s0.p2
Drugs that reportedly may increase oral anticoagulant response, ie, increased prothrombin response, in man include:alcohol*;allopurinol;aminosalicylic acid;amiodarone;anabolic steroids;antibiotics;bromelains;chloral hydrate*;chlorpropamide;chymotrypsin;cimetidine;cinchophen;clofibrate;dextran;dextrothyroxine;diazoxide;dietary deficiencies;diflunisal;disulfiram;drugs affecting blood elements;ethacrynic acid;fenoprofen;glucagon;hepatotoxic drugs;ibuprofen;indomethacin;influenza virus vaccine;inhalation anesthetics;mefenamic acid;methyldopa;methylphenidate;metronidazole;miconazole;monoamine oxidase inhibitors;nalidixic acid;naproxen;oxolinic acid;oxyphenbutazone;pentoxifylline;phenylbutazone;phenyramidol;phenytoin;prolonged hot weather;prolonged narcotics;pyrazolones;quinidine;quinine;ranitidine*;salicylates;sulfinpyrazone;sulfonamides, long acting;sulindac;thyroid drugs;tolbutamide;triclofos sodium;trimethoprim/sulfamethoxazole;unreliable prothrombin time determinations;warfarin sodium overdosage.
anticoagulant
quinine
EFFECT
Anisindione_ddi.xml
DDI-DrugBank.d64.s87
DDI-DrugBank.d64.s87.p42
- 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);
Motrin
nabumetone
NONE
Glimepiride_ddi.xml
DDI-DrugBank.d521.s2
DDI-DrugBank.d521.s2.p82
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.
clofibrate
ranitidine
NONE
Anisindione_ddi.xml
DDI-DrugBank.d64.s87
DDI-DrugBank.d64.s87.p654
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.
Mixed Agonist/Antagonist Opioid Analgesics
Levo-Dromoran
NONE
Levorphanol_ddi.xml
DDI-DrugBank.d257.s6
DDI-DrugBank.d257.s6.p7
Binding to Serum Proteins: The following agents may either inhibit levothyroxine sodium binding to serum proteins or alter the concentrations of serum binding proteins: androgens and related anabolic hormones, asparaginase, clofibrate, estrogens and estrogen-containing compounds, 5-fluorouracil, furosemide, glucocorticoids, meclofenamic acid, mefenamic acid, methadone, perphenazine, phenylbutazone, phenytoin, salicylates, tamoxifen.
levothyroxine sodium
anabolic hormones
MECHANISM
Levothyroxine_ddi.xml
DDI-DrugBank.d411.s3
DDI-DrugBank.d411.s3.p1
Mineral oil interferes with the absorption of fat-soluble vitamins, including vitamin D preparations.
Mineral oil
fat-soluble vitamins
MECHANISM
Ergocalciferol_ddi.xml
DDI-DrugBank.d471.s0
DDI-DrugBank.d471.s0.p0
Digitalis: Immediate Release Capsules: Since there have been isolated reports of patients with elevated digoxin levels, and there is a possible interaction between digoxin and nifedipine, 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.s2
DDI-DrugBank.d373.s2.p14
Central Nervous System Depressants: The concomitant use of DURAGESIC (fentanyl transdermal system) with other central nervous system depressants, including but not limited to other opioids, sedatives, hypnotics, tranquilizers (e.g., benzodiazepines), general anesthetics, phenothiazines, skeletal muscle relaxants, and alcohol, may cause respiratory depression, hypotension, and profound sedation, or potentially result in coma or death.
fentanyl
alcohol
EFFECT
Fentanyl_ddi.xml
DDI-DrugBank.d170.s5
DDI-DrugBank.d170.s5.p32
- Drugs whose efficacy is impaired by phenytoin include: anticoagulants, corticosteroids, coumarin, digitoxin, doxycycline, estrogens, furosemide, oral contraceptives, rifampin, quinidine, theophylline, vitamin D.
phenytoin
digitoxin
EFFECT
Fosphenytoin_ddi.xml
DDI-DrugBank.d40.s19
DDI-DrugBank.d40.s19.p3
However, iloprost has the potential to increase the hypotensive effect of vasodilators and antihypertensive agents.
iloprost
vasodilators
EFFECT
Iloprost_ddi.xml
DDI-DrugBank.d549.s1
DDI-DrugBank.d549.s1.p0
Do not mix TORADOL and morphine in the same syringe.
TORADOL
morphine
NONE
Ketorolac_ddi.xml
DDI-DrugBank.d3.s21
DDI-DrugBank.d3.s21.p0
Nabilone has been shown to have an additive CNS depressant effect when given with either diazepam, secobarbitone sodium, alcohol or codeine.
Nabilone
codeine
EFFECT
Nabilone_ddi.xml
DDI-DrugBank.d552.s1
DDI-DrugBank.d552.s1.p3
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.
indomethacin
heparin sodium
EFFECT
Heparin_ddi.xml
DDI-DrugBank.d488.s2
DDI-DrugBank.d488.s2.p32
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
anesthetics
NONE
Anisindione_ddi.xml
DDI-DrugBank.d64.s87
DDI-DrugBank.d64.s87.p1020
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
HIVID
EFFECT
Zalcitabine_ddi.xml
DDI-DrugBank.d263.s18
DDI-DrugBank.d263.s18.p20
Initial doses of adrenergic agents, such as dopamine or epinephrine, should be reduced and titrated to achieve the desired response.
adrenergic agents
epinephrine
NONE
Linezolid_ddi.xml
DDI-DrugBank.d441.s4
DDI-DrugBank.d441.s4.p1
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
digoxin
MECHANISM
Clomipramine_ddi.xml
DDI-DrugBank.d238.s24
DDI-DrugBank.d238.s24.p4
Methadone: Coadministration of amprenavir and methadone can decrease plasma levels of methadone.
amprenavir
methadone
NONE
Amprenavir_ddi.xml
DDI-DrugBank.d437.s9
DDI-DrugBank.d437.s9.p4
Renal clearance measurements of PAH cannot be made with any significant accuracy in patients receiving sulfonamides, procaine, or thiazolesulfone.
PAH
procaine
EFFECT
Aminohippurate_ddi.xml
DDI-DrugBank.d416.s0
DDI-DrugBank.d416.s0.p1
In many of these cases, buprenorphine was misused by self-injection of crushed SUBUTEX tablets.
buprenorphine
SUBUTEX
NONE
Buprenorphine_ddi.xml
DDI-DrugBank.d380.s5
DDI-DrugBank.d380.s5.p0
Stavudine and Zidovudine Ribavirin can antagonize the in vitro antiviral activity of stavudine and zidovudine against HIV.
Ribavirin
zidovudine
EFFECT
Peginterferon alfa-2a_ddi.xml
DDI-DrugBank.d196.s6
DDI-DrugBank.d196.s6.p8