Brand name(s)

FIRST Omeprazole, Omeprazole + SyrSpend SF Alka, Prilosec, Prilosec OTC

What it is

Prilosec (omeprazole) is a proton pump inhibitor that decreases the amount of acid produced in the stomach.

What it treats

Prilosec is used to treat symptoms of gastroesophageal reflux disease (GERD) and other conditions caused by excess stomach acid. Prilosec is also used to promote healing of erosive esophagitis (damage to your esophagus caused by stomach acid). Prilosec may also be...