Atazanavir
Atazanavir plasma concentrations may be reduced, decreasing the
efficacy.Benzodiazepines
Cl of benzodiazepines may be decreased.
Cilostazol, tacrolimus
Plasma levels may be increased by omeprazole, increasing the
therapeutic effects and adverse reactions.
Clarithromycin
Omeprazole and clarithromycin plasma concentrations may be
elevated.
Drugs depending on gastric pH for bioavailability (eg,
ampicillin, cyanocobalamin, digoxin, ketoconazole, indinavir,
iron salts)
Absorption of these drugs may be affected.
Phenytoin
Decreased plasma Cl and increased phenytoin t ½ .
St. John's wort
Omeprazole plasma levels may be reduced, decreasing the
therapeutic effect.
Warfarin
Increased INR and PT, which may lead to abnormal bleeding and
increase the risk of death. |