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Animals dosed with 1,3-difluoroacetone did not display the 2-3 hour lag phase in either (-)-erythro-fluorocitrate synthesis or in citrate and fluoride accumulation characteristic of animals dosed with 1,3-difluoro-2-propanol.
(-)-erythro-fluorocitrate
1,3-difluoro-2-propanol
NONE
11170315.xml
DDI-MedLine.d125.s4
DDI-MedLine.d125.s4.p2
Fluconazole: Concomitant administration of fluconazole at 200 mg QD resulted in a two-fold increase in celecoxib plasma concentration.
Fluconazole
fluconazole
NONE
Celecoxib_ddi.xml
DDI-DrugBank.d172.s16
DDI-DrugBank.d172.s16.p0
However, because bleeding has been reported when ibuprofen and other nonsteroidal anti-inflammatory agents have been administered to patients on coumarin-type anticoagulants, the physician should be cautious when administering ibuprofen to patients on anticoagulants.
ibuprofen
coumarin-type anticoagulants
EFFECT
Ibuprofen_ddi.xml
DDI-DrugBank.d415.s1
DDI-DrugBank.d415.s1.p1
However, prudent medical practice dictates careful monitoring of prothrombin time in all patients treated with azithromycin and warfarin concomitantly.
azithromycin
warfarin
ADVISE
Azithromycin_ddi.xml
DDI-DrugBank.d53.s4
DDI-DrugBank.d53.s4.p0
Warfarin Keppra (1000 mg twice daily) did not influence the pharmacokinetics of R and S warfarin.
Warfarin
R warfarin
NONE
Levetiracetam_ddi.xml
DDI-DrugBank.d212.s19
DDI-DrugBank.d212.s19.p1
Aspirin: Concomitant administration of diclofenac and aspirin is not recommended because diclofenac is displaced from its binding sites during the concomitant administration of aspirin, resulting in lower plasma concentrations, peak plasma levels, and AUC values.
diclofenac
aspirin
ADVISE
Diclofenac_ddi.xml
DDI-DrugBank.d249.s0
DDI-DrugBank.d249.s0.p4
Caution should be observed when anileridine is coadministered with other opioids, sedatives, phenothiazines, or anesthetics, as these agents may increase respiratory and circulatory depression.
anileridine
sedatives
ADVISE
Anileridine_ddi.xml
DDI-DrugBank.d215.s0
DDI-DrugBank.d215.s0.p1
In addition, olanzapine is not associated with a risk of agranulocytosis as seen with clozapine or clinically significant hyperprolactinaemia as seen with risperidone or prolongation of the QT interval.
olanzapine
risperidone
NONE
11217867.xml
DDI-MedLine.d83.s11
DDI-MedLine.d83.s11.p1
Coadministration of alosetron and strong CYP3A4 inhibitors, such as clarithromycin, telithromycin, protease inhibitors, voriconazole, and itraconazole has not been evaluated but should be undertaken with caution because of similar potential drug interactions.
alosetron
voriconazole
ADVISE
Alosetron_ddi.xml
DDI-DrugBank.d364.s10
DDI-DrugBank.d364.s10.p3
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
narcotic analgesics
ADVISE
Nabilone_ddi.xml
DDI-DrugBank.d552.s0
DDI-DrugBank.d552.s0.p4
Steroids enhance the renal toxicity of edetate calcium disodium in animals. 7 Edetate calcium disodium interferes with the action of zinc insulin preparations by chelating the zinc. 7
Steroids
edetate calcium disodium
EFFECT
Edetic Acid_ddi.xml
DDI-DrugBank.d191.s1
DDI-DrugBank.d191.s1.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
barbiturates
EFFECT
Anisindione_ddi.xml
DDI-DrugBank.d64.s29
DDI-DrugBank.d64.s29.p4
Although additional drug interaction studies have not been conducted, the most common medications used concomitantly with anagrelide in clinical trials were aspirin, acetaminophen, furosemide, iron, ranitidine, hydroxyurea, and allopurinol.
acetaminophen
furosemide
NONE
Anagrelide_ddi.xml
DDI-DrugBank.d75.s2
DDI-DrugBank.d75.s2.p13
On the other hand, intrathecal naloxone (12-120 micrograms) had only a very weak effect on the tail-flick inhibition induced by intraventricular morphine (40 micrograms).
naloxone
morphine
EFFECT
3155550.xml
DDI-MedLine.d63.s5
DDI-MedLine.d63.s5.p0
Drugs That Should Not Be Coadministered With VIRACEPT Antiarrhythmics: amiodarone, quinidine Antihistamines: astemizole, terfenadine Antimigraine: ergot derivatives Antimycobacterial agents: rifampin Benzodiazepines midazolam, triazolam GI motility agents: cisapride
VIRACEPT
amiodarone
ADVISE
Nelfinavir_ddi.xml
DDI-DrugBank.d340.s6
DDI-DrugBank.d340.s6.p1
Dexfenfluramine should not be administered with other serotoninergic agents.
Dexfenfluramine
serotoninergic agents
ADVISE
Dexfenfluramine_ddi.xml
DDI-DrugBank.d423.s6
DDI-DrugBank.d423.s6.p0
propranolol to healthy volunteers under steady-state conditions had no relevant effect on either drug s bioavailability, AUC and Cmax, differences were 20% between isradipine given singly and in combination with propranolol, and between propranolol given singly and in combination with isradipine.
propranolol
propranolol
NONE
Isradipine_ddi.xml
DDI-DrugBank.d81.s6
DDI-DrugBank.d81.s6.p7
Caution should be exercised when administering nabumetone with warfarin since interactions have been seen with other NSAIDs.
warfarin
NSAIDs
INT
Nabumetone_ddi.xml
DDI-DrugBank.d174.s1
DDI-DrugBank.d174.s1.p2
Although a causal mechanism and a cause-and-effect relationship have not been established, current evidence suggests that renal function should be monitored in patients on thiazide diuretics and allopurinol even in the absence of renal failure, and dosage levels should be even more conservatively adjusted in those patients on such combined therapy if diminished renal function is detected..
thiazide diuretics
allopurinol
ADVISE
Allopurinol_ddi.xml
DDI-DrugBank.d413.s15
DDI-DrugBank.d413.s15.p0
Sulfapyridine may interact with any of the following: - Acetaminophen (e.g., Tylenol) (with long-term, high-dose use) or
Sulfapyridine
Acetaminophen
INT
Sulfapyridine_ddi.xml
DDI-DrugBank.d179.s1
DDI-DrugBank.d179.s1.p0
Magnesium: Magnesium-containing preparations (eg, antacids) may cause hypermagnesemia and should therefore not be taken during therapy with vitamin D by patients on chronic renal dialysis.
antacids
vitamin D
ADVISE
Calcitriol_ddi.xml
DDI-DrugBank.d384.s15
DDI-DrugBank.d384.s15.p5
The hypoglycemic action of sulfonylureas may be potentiated by certain drugs including nonsteroidal anti-inflammatory agents and other drugs that are highly protein bound, salicylates, sulfonamides, chloramphenicol, probenecid, coumarins, monoamine oxidase inhibitors, and beta adrenergic blocking agents.
probenecid
beta adrenergic blocking agents
NONE
Glibenclamide_ddi.xml
DDI-DrugBank.d178.s0
DDI-DrugBank.d178.s0.p32
Phenytoin: In post-marketing experience, there have been reports of both increases and decreases in phenytoin levels with dexamethasone co-administration, leading to alterations in seizure control.
phenytoin
dexamethasone
MECHANISM
Dexamethasone_ddi.xml
DDI-DrugBank.d314.s27
DDI-DrugBank.d314.s27.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.
Magnesium
FACTIVE
ADVISE
Gemifloxacin_ddi.xml
DDI-DrugBank.d347.s7
DDI-DrugBank.d347.s7.p8
While not systematically studied, certain drugs may induce the metabolism of bupropion (e.g., carbamazepine, phenobarbital, phenytoin).
bupropion
phenobarbital
MECHANISM
Bupropion_ddi.xml
DDI-DrugBank.d5.s8
DDI-DrugBank.d5.s8.p1
The effect of rifampin on the warfarin requirement of our patient appeared to be maximal 5 to 7 days after the initiation of rifampin and extended a similar length of time after rifampin withdrawal.
rifampin
warfarin
EFFECT
1115445.xml
DDI-MedLine.d116.s6
DDI-MedLine.d116.s6.p0
Concurrent administration of dyphylline and probenecid, which competes for tubular secretion, has been shown to increase the plasma half-life of dyphylline .
dyphylline
probenecid
MECHANISM
Dyphylline_ddi.xml
DDI-DrugBank.d4.s2
DDI-DrugBank.d4.s2.p0
Bacteriostatic Antibiotics: Chloramphenicol, erythromycins, sulfonamides, or tetracyclines may interfere with the bactericidal effect of penicillins.
sulfonamides
penicillins
EFFECT
Ampicillin_ddi.xml
DDI-DrugBank.d211.s2
DDI-DrugBank.d211.s2.p13
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
cyclosporine
INT
Dirithromycin_ddi.xml
DDI-DrugBank.d522.s24
DDI-DrugBank.d522.s24.p0
Oral neomycin inhibits the gastrointestinal absorption of penicillin V, oral vitamin B-12, methotrexate and 5-fluorouracil.
neomycin
5-fluorouracil
MECHANISM
Neomycin_ddi.xml
DDI-DrugBank.d330.s2
DDI-DrugBank.d330.s2.p3
The mean QT c interval (msec) was 369 with terfenadine alone and 367 with terfenadine plus dirithromycin.
terfenadine
dirithromycin
EFFECT
Dirithromycin_ddi.xml
DDI-DrugBank.d522.s7
DDI-DrugBank.d522.s7.p2
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.
fluvoxamine
5-HT1 agonists
EFFECT
Frovatriptan_ddi.xml
DDI-DrugBank.d426.s3
DDI-DrugBank.d426.s3.p17
The use of MAO inhibitors or tricyclic antidepressants with hydrocodone preparations may increase the effect of either the antidepressant or hydrocodone.
MAO inhibitors
hydrocodone
EFFECT
Hydrocodone_ddi.xml
DDI-DrugBank.d396.s2
DDI-DrugBank.d396.s2.p1
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
Norvir
INT
Etonogestrel_ddi.xml
DDI-DrugBank.d484.s0
DDI-DrugBank.d484.s0.p29
ROMAZICON blocks the central effects of benzodiazepines by competitive interaction at the receptor level.
ROMAZICON
benzodiazepines
EFFECT
Flumazenil_ddi.xml
DDI-DrugBank.d234.s5
DDI-DrugBank.d234.s5.p0
Antacid: The effect of an aluminum hydroxide- and magnesium hydroxide-containing antacid (Maalox)* on the pharmacokinetics of capecitabine was investigated in 12 cancer patients.
magnesium hydroxide
antacid
NONE
Capecitabine_ddi.xml
DDI-DrugBank.d88.s0
DDI-DrugBank.d88.s0.p9
In well-controlled patients undergoing concurrent therapy with cimetidine, a decrease in the steady-state serum concentrations of tricyclic antidepressants may occur when cime-tidine therapy is discontinued.
cimetidine
tricyclic antidepressants
MECHANISM
Nortriptyline_ddi.xml
DDI-DrugBank.d202.s3
DDI-DrugBank.d202.s3.p0
[The effect of cimetidine on the renal excretion of verografin and iodamide in dogs] The intravenous injection of cimetidine in a dose of 20 mg/kg enhanced verografine and iodamide excretion in chronic canine experiments.
cimetidine
iodamide
MECHANISM
7756965.xml
DDI-MedLine.d68.s0
DDI-MedLine.d68.s0.p13
Since hydroxyurea may raise the serum uric acid level, dosage adjustment of uricosuric medication may be necessary
hydroxyurea
uricosuric medication
EFFECT
Hydroxyurea_ddi.xml
DDI-DrugBank.d16.s2
DDI-DrugBank.d16.s2.p0
Probenecid: May decrease renal tubular secretion of ampicillin resulting in increased blood levels and/or ampicillin toxicity.
ampicillin
ampicillin
NONE
Ampicillin_ddi.xml
DDI-DrugBank.d211.s5
DDI-DrugBank.d211.s5.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
fluphenazine
Stelazine
NONE
Sulfapyridine_ddi.xml
DDI-DrugBank.d179.s21
DDI-DrugBank.d179.s21.p124
Calcium Channel Blockers: Isolated cases of conduction disturbance (rarely with hemodynamic compromise) have been observed when COREG is co-administered with diltiazem.
COREG
diltiazem
EFFECT
Carvedilol_ddi.xml
DDI-DrugBank.d269.s16
DDI-DrugBank.d269.s16.p2
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.
hydroxychloroquine
heparin sodium
EFFECT
Heparin_ddi.xml
DDI-DrugBank.d488.s2
DDI-DrugBank.d488.s2.p35
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
multivitamins
MECHANISM
Grepafloxacin_ddi.xml
DDI-DrugBank.d78.s1
DDI-DrugBank.d78.s1.p6
Consequently, concomitant administration of Aprepitant with strong CYP3A4 inhibitors (e.g., ketoconazole, itraconazole, nefazodone, troleandomycin, clarithromycin, ritonavir, nelfinavir) should be approached with caution.
Aprepitant
clarithromycin
ADVISE
Aprepitant_ddi.xml
DDI-DrugBank.d382.s31
DDI-DrugBank.d382.s31.p4
In a similar study with tamsulosin in healthy volunteers, 1 of 24 subjects dosed with Vardenafil 20 mg and tamsulosin 0.4 mg separated by 6 hours experienced a standing systolic blood pressure below 85 mm Hg.
Vardenafil
tamsulosin
EFFECT
Vardenafil_ddi.xml
DDI-DrugBank.d198.s32
DDI-DrugBank.d198.s32.p2
Amitriptyline in combination with clonidine enhances the manifestation of corneal lesions in rats Epidural Injection Clonidine may potentiate the CNS-depressive effect of alcohol, barbiturates or other sedating drugs.
Clonidine
barbiturates
EFFECT
Clonidine_ddi.xml
DDI-DrugBank.d495.s2
DDI-DrugBank.d495.s2.p10
The administration of local anesthetic solutions containing epinephrine or norepinephrine to patients receiving monoamine oxidase inhibitors, tricyclic antidepressants or phenothiazines may produce severe, prolonged hypotension or hypertension.
norepinephrine
tricyclic antidepressants
EFFECT
Chloroprocaine_ddi.xml
DDI-DrugBank.d110.s0
DDI-DrugBank.d110.s0.p10
Chlorpromazine: Chlorpromazine blocks dopamine and norepinephrine receptors, thus inhibiting the central stimulant effects of amphetamines and can be used to treat amphetamine poisoning.
Chlorpromazine
amphetamines
EFFECT
Lisdexamfetamine_ddi.xml
DDI-DrugBank.d158.s12
DDI-DrugBank.d158.s12.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.
EQUETROTM
Phenytoin
MECHANISM
Carbamazepine_ddi.xml
DDI-DrugBank.d94.s11
DDI-DrugBank.d94.s11.p31
Codeine in combination with other narcotic analgesics, general anesthetics, phenothiazines, tranquilizers, sedative-hypnotics, or other CNS depressants (including alcohol) has additive depressant effects.
Codeine
CNS depressants
EFFECT
Codeine_ddi.xml
DDI-DrugBank.d464.s0
DDI-DrugBank.d464.s0.p5
Danazol: The risk of myopathy/rhabdomyolysis is increased by concomitant administration of danazol particularly with higher doses of lovastatin (see WARNINGS, Myopathy/Rhabdomyolysis).
danazol
lovastatin
EFFECT
Lovastatin_ddi.xml
DDI-DrugBank.d567.s11
DDI-DrugBank.d567.s11.p2
Warfarin and Anticoagulants: Increased prothrombin time, with or without clinical bleeding, has been reported when cefixime is administered concomitantly.
Warfarin
cefixime
EFFECT
Cefixime_ddi.xml
DDI-DrugBank.d339.s2
DDI-DrugBank.d339.s2.p1
Antiacid, clarithromycin, Didanosine, Fluconazole, Fluoxetine, Indanavir, Ketoconazole, Phenytoin, Phenobarbitol, carbamazepine, Rifabutin, Rifampin, Ritanovir, Saquinavir.
Fluconazole
carbamazepine
NONE
Delavirdine_ddi.xml
DDI-DrugBank.d251.s0
DDI-DrugBank.d251.s0.p20
Rifampin: Coadministration of rifampin and VIRACEPT resulted in an 82% decrease in nelfinavir plasma A.C.
rifampin
VIRACEPT
MECHANISM
Nelfinavir_ddi.xml
DDI-DrugBank.d340.s32
DDI-DrugBank.d340.s32.p3
These drugs include the thiazides and other diuretics, corticosteroids, phenothiazines, thyroid products, estrogens, oral contraceptives, phenytoin, nicotinic acid, sympathomimetics, calcium channel blocking drugs, and isoniazid.
phenothiazines
estrogens
NONE
Chlorpropamide_ddi.xml
DDI-DrugBank.d245.s4
DDI-DrugBank.d245.s4.p27
The hypoglycemic action of sulfonylurea may be potentiated by certain drugs including nonsteroidal anti-inflammatory agents and other drugs that are highly protein bound, salicylates, sulfonamides, chloramphenicol, probenecid, coumarins, monoamine oxidase inhibitors, and beta adrenergic blocking agents.
nonsteroidal anti-inflammatory agents
salicylates
NONE
Chlorpropamide_ddi.xml
DDI-DrugBank.d245.s0
DDI-DrugBank.d245.s0.p8
However, the peak plasma level of metformin was reduced by approximately 20% when taking Acarbose due to a slight delay in the absorption of metformin.
Acarbose
metformin
MECHANISM
Acarbose_ddi.xml
DDI-DrugBank.d536.s10
DDI-DrugBank.d536.s10.p2
Concurrent administration of cimetidine and tricyclic antidepressants can produce clinically significant increases in the plasma levels of the tricyclic antidepressants.
cimetidine
tricyclic antidepressants
MECHANISM
Desipramine_ddi.xml
DDI-DrugBank.d386.s26
DDI-DrugBank.d386.s26.p0
Oral contraceptives and other hormonalmethods of birth control should not be usedas the sole method of contraception inwomen taking nevirapine, since nevirapinemay lower the plasma levels of thesemedications.
contraceptives
nevirapine
ADVISE
Nevirapine_ddi.xml
DDI-DrugBank.d270.s26
DDI-DrugBank.d270.s26.p0
Lithium: Lithium toxicity has been reported in patients receiving lithium concomitantly with drugs which cause elimination of sodium, including ACE inhibitors.
Lithium
ACE inhibitors
NONE
Enalapril_ddi.xml
DDI-DrugBank.d107.s16
DDI-DrugBank.d107.s16.p2
Therefore, the combined use of lovastatin with fibrates should generally be avoided.
lovastatin
fibrates
ADVISE
Clofibrate_ddi.xml
DDI-DrugBank.d12.s9
DDI-DrugBank.d12.s9.p0
Selective Serotonin Reuptake Inhibitors (SSRIs): SSRIs (e.g., fluoxetine, fluvoxamine, paroxetine, sertraline) have been rarely reported to cause weakness, hyperreflexia, and incoordination when coadministered with 5-HT1 agonists.
paroxetine
5-HT1 agonists
EFFECT
Almotriptan_ddi.xml
DDI-DrugBank.d299.s6
DDI-DrugBank.d299.s6.p26
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).
alcohol
monoamine oxidase (MAO) inhibitors
NONE
Brompheniramine_ddi.xml
DDI-DrugBank.d192.s0
DDI-DrugBank.d192.s0.p12
Sumatriptan - There have been rare postmarketing reports describing patients with weakness, hyperreflexia, and incoordination following the use of a selective serotonin reuptake inhibitor (SSRI) and sumatriptan.
Sumatriptan
SSRI
NONE
Escitalopram_ddi.xml
DDI-DrugBank.d568.s16
DDI-DrugBank.d568.s16.p1
The effect of BREVIBLOC on the duration of succinylcholine-induced neuromuscular blockade was studied in patients undergoing surgery.
BREVIBLOC
succinylcholine
NONE
Esmolol_ddi.xml
DDI-DrugBank.d422.s8
DDI-DrugBank.d422.s8.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 hydrochloride
MAO inhibitors
ADVISE
Buspirone_ddi.xml
DDI-DrugBank.d463.s0
DDI-DrugBank.d463.s0.p0
Hypotension: Patients on Diuretic Therapy: Patients on diuretics and especially those in whom diuretic therapy was recently instituted, may occasionally experience an excessive reduction of blood pressure after initiation of therapy with enalapril or enalaprilat.
diuretics
enalaprilat
EFFECT
Enalapril_ddi.xml
DDI-DrugBank.d107.s0
DDI-DrugBank.d107.s0.p1
Drugs that reportedly may increase oral anticoagulant response, ie, increased prothrombin response, in man include:alcohol*;allopurinol;aminosalicylic acid;amiodarone;anabolic steroids;antibiotics;bromelains;chloral hydrate*;chlorpropamide;chymotrypsin;cimetidine;cinchophen;clofibrate;dextran;dextrothyroxine;diazoxide;dietary deficiencies;diflunisal;disulfiram;drugs affecting blood elements;ethacrynic acid;fenoprofen;glucagon;hepatotoxic drugs;ibuprofen;indomethacin;influenza virus vaccine;inhalation anesthetics;mefenamic acid;methyldopa;methylphenidate;metronidazole;miconazole;monoamine oxidase inhibitors;nalidixic acid;naproxen;oxolinic acid;oxyphenbutazone;pentoxifylline;phenylbutazone;phenyramidol;phenytoin;prolonged hot weather;prolonged narcotics;pyrazolones;quinidine;quinine;ranitidine*;salicylates;sulfinpyrazone;sulfonamides, long acting;sulindac;thyroid drugs;tolbutamide;triclofos sodium;trimethoprim/sulfamethoxazole;unreliable prothrombin time determinations;warfarin sodium overdosage.
amiodarone
sulindac
NONE
Anisindione_ddi.xml
DDI-DrugBank.d64.s87
DDI-DrugBank.d64.s87.p253
Phenothiazines and butyrophenones may reduce or reverse the pressor effect of epinephrine.
butyrophenones
epinephrine
EFFECT
Bupivacaine_ddi.xml
DDI-DrugBank.d153.s4
DDI-DrugBank.d153.s4.p2
Skeletal muscle relaxants: amphotericin B-induced hypokalemia may enhance the curariform effect of skeletal muscle relaxants (e.g., tubocurarine).
amphotericin B
skeletal muscle relaxants
EFFECT
Amphotericin B_ddi.xml
DDI-DrugBank.d318.s12
DDI-DrugBank.d318.s12.p3
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
acetaminophen
MECHANISM
Cidofovir_ddi.xml
DDI-DrugBank.d260.s0
DDI-DrugBank.d260.s0.p15
Non-selective MAO inhibitors including tranylcypromine sulfate, phenelzine sulfate, and pargyline HC1: Concomitant use of L-tyrosine and non-selective MAO inhibitors may cause hypertension.
L-tyrosine
MAO inhibitors
EFFECT
L-Tyrosine_ddi.xml
DDI-DrugBank.d111.s0
DDI-DrugBank.d111.s0.p14
Patients treated with acebutolol plus catecholamine depletors should, therefore, be observed closely for evidence of marked bradycardia or hypotension which may present as vertigo, syncope/presyncope, or orthostatic changes in blood pressure without compensatory tachycardia.
acebutolol
catecholamine depletors
ADVISE
Acebutolol_ddi.xml
DDI-DrugBank.d388.s1
DDI-DrugBank.d388.s1.p0
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).
Dexbrompheniramine
anticholinergics
EFFECT
Brompheniramine_ddi.xml
DDI-DrugBank.d192.s0
DDI-DrugBank.d192.s0.p3
This indicates that gabapentin does not undergo renal tubular secretion by the pathway that is blocked by probenecid.
gabapentin
probenecid
NONE
Gabapentin_ddi.xml
DDI-DrugBank.d438.s42
DDI-DrugBank.d438.s42.p0
The behavioral effects of the stereoisomers of N-allylnormetazocine (NANM) were compared with those of phencyclidine (PCP) in pigeons and squirrel monkeys responding under a multiple fixed-interval fixed-ratio (FI FR) schedule of food presentation.
phencyclidine
PCP
NONE
3968644.xml
DDI-MedLine.d30.s1
DDI-MedLine.d30.s1.p5
Lithium: Increased serum lithium levels and symptoms of lithium toxicity have been reported in patients receiving ACE inhibitors during therapy with lithium.
Lithium
ACE inhibitors
NONE
Fosinopril_ddi.xml
DDI-DrugBank.d176.s6
DDI-DrugBank.d176.s6.p2
A number of drugs, including ethacrynic acid, have been shown to displace warfarin from plasma protein;
ethacrynic acid
warfarin
MECHANISM
Ethacrynic acid_ddi.xml
DDI-DrugBank.d414.s4
DDI-DrugBank.d414.s4.p0
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
methotrexate
MECHANISM
Cidofovir_ddi.xml
DDI-DrugBank.d260.s0
DDI-DrugBank.d260.s0.p23
Ventricular tachycardia induced by ouabain was generally converted to sinus rhythm following administration of Innovar, ketamine, or droperidol but not after administration of fentayl alone or after pentobarbital.
ouabain
ketamine
EFFECT
1167743.xml
DDI-MedLine.d23.s2
DDI-MedLine.d23.s2.p1
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.
Robinul
anticholinergics
EFFECT
Glycopyrrolate_ddi.xml
DDI-DrugBank.d510.s0
DDI-DrugBank.d510.s0.p0
Alternatives to rifampin should be considered during the course of PCP treatment with MEPRON.
rifampin
MEPRON
ADVISE
Atovaquone_ddi.xml
DDI-DrugBank.d424.s4
DDI-DrugBank.d424.s4.p0
- Drugs whose efficacy is impaired by phenytoin include: anticoagulants, corticosteroids, coumarin, digitoxin, doxycycline, estrogens, furosemide, oral contraceptives, rifampin, quinidine, theophylline, vitamin D.
anticoagulants
corticosteroids
NONE
Fosphenytoin_ddi.xml
DDI-DrugBank.d40.s19
DDI-DrugBank.d40.s19.p12
Ketoconazole: Co-administration of bosentan 125 mg b.i.d. and ketoconazole, a potent CYP3A4 inhibitor, increased the plasma concentrations of bosentan by approximately 2-fold.
bosentan
ketoconazole
MECHANISM
Bosentan_ddi.xml
DDI-DrugBank.d289.s23
DDI-DrugBank.d289.s23.p3
Even though such interactions have not been seen in clinical studies with DynaCirc (isradipine), an increased volume of circulating fluids might be required if such an interaction were to occur.
DynaCirc
isradipine
NONE
Isradipine_ddi.xml
DDI-DrugBank.d81.s15
DDI-DrugBank.d81.s15.p0
The hypoglycemic action of sulfonylurea may be potentiated by certain drugs including nonsteroidal anti-inflammatory agents and other drugs that are highly protein bound, salicylates, sulfonamides, chloramphenicol, probenecid, coumarins, monoamine oxidase inhibitors, and beta adrenergic blocking agents.
sulfonylurea
salicylates
EFFECT
Chlorpropamide_ddi.xml
DDI-DrugBank.d245.s0
DDI-DrugBank.d245.s0.p1
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
Tylenol
INT
Bentiromide_ddi.xml
DDI-DrugBank.d537.s0
DDI-DrugBank.d537.s0.p1
In 10 otherwise healthy subjects with epilepsy ingesting phenytoin, the steadystate trough (Cmin) phenytoin plasma concentration was 17 5 micrograms/mL.
phenytoin
phenytoin
NONE
Felbamate_ddi.xml
DDI-DrugBank.d434.s12
DDI-DrugBank.d434.s12.p0
No significant drug-drug pharmacokinetic interactions have been found in interaction studies with hydrochlorothiazide, digoxin, warfarin, cimetidine and phenobarbital.
hydrochlorothiazide
phenobarbital
NONE
Losartan_ddi.xml
DDI-DrugBank.d30.s0
DDI-DrugBank.d30.s0.p3
Cyclosporine: Increased activity of both cyclosporine and corticosteroids may occur when the two are used concurrently.
cyclosporine
corticosteroids
EFFECT
Dexamethasone_ddi.xml
DDI-DrugBank.d314.s11
DDI-DrugBank.d314.s11.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.
nalidixic acid
quinine
NONE
Anisindione_ddi.xml
DDI-DrugBank.d64.s87
DDI-DrugBank.d64.s87.p1242
Coumarin Anticoagulants: In a small clinical trial in which lovastatin was administered to warfarin treated patients, no effect on prothrombin time was detected.
Coumarin Anticoagulant
warfarin
NONE
Lovastatin_ddi.xml
DDI-DrugBank.d567.s13
DDI-DrugBank.d567.s13.p1
SUSTIVA has the potential to decrease plasma concentrations of itraconazole and ketoconazole.
SUSTIVA
ketoconazole
MECHANISM
Efavirenz_ddi.xml
DDI-DrugBank.d531.s79
DDI-DrugBank.d531.s79.p1
In 5 other schizophrenic patients treated with oral haloperidol and rifampin, discontinuation of rifampin produced a mean 3.3-fold increase in haloperidol concentrations.
rifampin
haloperidol
MECHANISM
Haloperidol_ddi.xml
DDI-DrugBank.d186.s5
DDI-DrugBank.d186.s5.p5
Patients currently receiving diltiazem therapy should be carefully monitored for a change in pharmacological effect when initiating and discontinuing therapy with cimetidine.
diltiazem
cimetidine
ADVISE
Diltiazem_ddi.xml
DDI-DrugBank.d565.s15
DDI-DrugBank.d565.s15.p0
Interactions may also occur with the following: anti-depressants/anti-anxiety drugs, drugs used to treat an overactive thyroid, beta-blockers (e.g., propranolol), sparfloxacin, grepafloxacin, guanethidine, guanadrel, metrizamide, cabergoline, lithium, narcotic pain medication (e.g., codeine), drugs used to aid sleep, drowsiness-causing antihistamines (e.g., diphenhydramine), any other drugs that may make you drowsy.
anti-depressants
lithium
NONE
Chlorpromazine_ddi.xml
DDI-DrugBank.d86.s1
DDI-DrugBank.d86.s1.p9
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.
opioids
alcohol
NONE
Fentanyl_ddi.xml
DDI-DrugBank.d170.s5
DDI-DrugBank.d170.s5.p49
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.
Lipitor
clofibrate
NONE
Etonogestrel_ddi.xml
DDI-DrugBank.d484.s0
DDI-DrugBank.d484.s0.p639
Atromid-S may displace acidic drugs such as phenytoin or tolbutamide from their binding sites.
Atromid-S
tolbutamide
MECHANISM
Clofibrate_ddi.xml
DDI-DrugBank.d12.s3
DDI-DrugBank.d12.s3.p1