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Oral anticoagulants rifampicin

Interactions. Drugs that lower gastric acidity, e.g. antacids, histamine H2 receptor antagonists, impair the absorption of ketoconazole from the gastrointestinal tract. Like all imidazoles, ketoconazole binds strongly to several cytochrome P450 isoenzymes and thus inhibits the metabolism (and increases effects of) oral anticoagulants, phenytoin and cyclosporin, and increases the risk of cardiac arrhythmias with terfenadine. A disulfiram-like reaction occurs with alcohol. Concurrent use of rifampicin, by enzyme induction of CYP 3A, markedly reduces the plasma concentration of ketoconazole. [Pg.266]

Clinically important, potentially hazardous interactions with ACE inhibitors, cyclosporin, dexibuprofen, lithium, methotrexate, rifampicin, tacrolimus, warfarin and other oral anticoagulants... [Pg.226]

Fluconazole Fluconazole may increase the plasma concentration of phenytoin, sulfonylurea (hypoglycemic), cyclosporin, zidovudine, cisapride, and terfenadine. Coadministration of fluconazole with rifampicin results in the reduced plasma concentration of fluconazole. Griseofulvin may reduce the plasma concentration of salicylates, coumarin, anticoagulants, and oral contraceptives. [Pg.337]

ANTIARRHYTHMICS - disopyramide, propafenone 2. ANTIBIOTICS-chloramphenicol, doxycycline, metronidazole, rifampicin, telithromycin 3. ANTICANCER AND IMMUNOMODULATING DRUGS - carmustine, cidosporin, corticosteroids, doxorubicin, etoposide, ima-tinib, lomustine, paditaxel, tacrolimus, tamoxifen, toremifene, vinca alkaloids 4. ANTICOAGULANTS - ORAL 5. ANTI-... [Pg.211]

ANTICOAGULANTS-ORAL RIFAMPICIN 1 anticoagulant effect Rifampicin induces CYP2C9-mediated metabolism of warfarin Monitor INR closely for at least 1 week after starting rifampicin and up to 5 weeks after stopping it. During co-administration, the warfarin dose may need to be markedly t... [Pg.391]


See other pages where Oral anticoagulants rifampicin is mentioned: [Pg.763]    [Pg.496]    [Pg.375]    [Pg.265]    [Pg.259]   
See also in sourсe #XX -- [ Pg.265 ]




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