Omeprazole is a proton pump inhibitor that reduces acid production in stomach. Omeprazole treats GERD, excess stomach acid, gastric ulcer caused by bacteria, and erosive esophagitis.

Generally taken 1 hour before meal. Don’t take OTC ompreazole for more than 14 consecutive days. Allow 4 months between each course of treatment. If undergoing medical tests, inform health professional in charge.

Not for relief of heartburn symptoms. May cause new/worsening symptoms of lupus. May raise risk of breaking a bone if taking long-term or more than once daily. Be mindful that heart attack symptoms may be mistaken as heartburn. Do not use if allergic to medications like omeprazole and HIV meds that contain rilpivirine.

Seek immediate help if you encounter serious side effects, such as: allergic reaction, stomach problems, new/unusual pain in wrist/thigh/hip/back, seizures, kidney issues, low magnesium symptoms, new/worsening lupus symptoms. You may develop Vitamin B12 deficiency if this drug is used longer than 3 years. Many drugs can interact with omeprazole, including clopidogrel, methotrexate, St. John’s wort, and antibiotics. Inform doctor of all medications you take, including OTC products.