Citalopram (Celexa)
Omeprazole may increase the level of
citalopram in your blood, perhaps increasing your risk of citalopram side effects. Your healthcare provider may need to decrease your citalopram dosage.
Diazepam (Valium)
Omeprazole can increase the level of
diazepam in your blood, increasing your risk of
diazepam side effects. Your healthcare provider may need to decrease your diazepam dosage.
Escitalopram (Celexa)
Omeprazole may increase the level of
escitalopram in your blood, perhaps increasing your risk of escitalopram side effects. Your healthcare provider may need to decrease your escitalopram dosage.
Iron Supplements
Omeprazole can decrease the absorption of iron supplements into your bloodstream, perhaps making them less effective. Your healthcare provider may need to increase your iron dose.
Ketoconazole (Nizoral)
Omeprazole can decrease the absorption of ketoconazole into your bloodstream, perhaps making it less effective. Your healthcare provider may need to increase your ketoconazole dose.
Phenytoin (Dilantin, Phenytek)
Omeprazole can increase the level of
phenytoin in your blood, increasing your risk of phenytoin side effects. Your healthcare provider may need to decrease your phenytoin dosage.
Tacrolimus (Prograf)
Omeprazole can increase the level of tacrolimus in your blood, increasing your risk of tacrolimus side effects. Your healthcare provider may need to check your tacrolimus blood level and adjust your dose as necessary.
Voriconazole (Vfend)
Voriconazole can double the amount of omeprazole in your blood, increasing your risk of side effects. Typically, this is a significant problem only for people taking a very high omeprazole dosage. However, you should talk to your healthcare provider before using these medications together.
Warfarin (Coumadin, Jantoven)
Omeprazole can increase the level of warfarin in your blood, increasing your risk of bleeding. Your healthcare provider should monitor you closely and adjust your warfarin dose as necessary.
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