What are the Long-Term Effects of Omeprazole?

Omeprazole, which is classified as a proton pump inhibitor is used to decrease the production of acid in the stomach 1. Omeprazole prevents the activities of stomach enzymes that produce stomach acid 1. Long-term suppression of stomach acid by omeprazole may cause side effects 1.

Is This an Emergency?

If you are experiencing serious medical symptoms, seek emergency treatment immediately.

Pancreatitis

Long-term use of omeprazole may cause pancreatitis, according to Drugs.com 1. Pancreatitis is the inflammation of the pancreas, an organ that produces digestive enzymes important for the digestion of fats and carbohydrates. The pancreas also produces insulin, a hormone important in the control of blood glucose levels.

Interstitial Nephritis

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Chronic use of omeprazole may cause interstitial neprhritis, inflammation of the spaces between kidney tubules 1. Interstitial nephritis reduces the kidneys' ability to remove waste products from the body and may eventually lead to kidney failure 2.

Fractures

The U.S. Food and Drug Administration warns that long-term use of high doses of omeprazole and other proton pump inhibitors may lead to increased risk of fractures of the hip, spine and wrists 1. Patients with bone problems such as osteoporosis should avoid omeprazole 1. The FDA advises consumers not to take more than three 14-day courses of omeprazole in one year 1.

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