Can I take Omeprazole with Warfarin?

Can I take Prilosec with coumadin?

Using omeprazole together with warfarin in some rare cases may increase the risk of bleeding. If these medications are prescribed together, patients may need a dose adjustment or frequent monitoring of prothrombin time or International Normalized Ratio (INR) to safely use both medications. Patients should call their doctor promptly if they experience any unusual bleeding or bruising, vomiting, blood in your urine or stools, swelling, headache, dizziness, or weakness.

Can I take Omeprazole with St. John’s Wort?