Taking olmesartan with other medicines and herbal supplements

Cautions with other medicines

There are some medicines that do not mix well with olmesartan.

Before starting olmesartan, tell your doctor if you're taking:

• other medicines to help lower your blood pressure, especially aliskiren or an ACE inhibitor, such as enalapril, captopril, lisinopril or ramipril
• non-steroidal anti-inflammatory drugs (NSAIDs) such as ibuprofen, naproxen, diclofenac, celecoxib or aspirin for pain relief
• tablets to make you pee more (diuretics) such as furosemide, bendroflumethiazide or indapamide
• lithium, a medicine for mental health problems
• heparin, a medicine that treats or prevents blood clots
• spironolactone, a medicine to treat heart failure
• colesevelam, a medicine for lowering cholesterol

Mixing olmesartan with herbal remedies or supplements

Tell your pharmacist or doctor if you're taking potassium supplements or salt substitutes which contain potassium

There's very little information about taking other herbal remedies and supplements with olmesartan. They're not tested in the same way as prescription medicines.