Basic Care Omeprazole Orally Disintegrating Tablets, 20 mg, Strawberry Flavor, melts in your mouth and dissolves without water. This acid reducer is FDA-approved to treat frequent heartburn that occurs 2 or more days per week. Omeprazole deactivates acid-producing pumps in the stomach lining to inhibit acid production at the source. This product is not intended for immediate relief of heartburn; may take 1 to 4 days for full effect. Compare to Prilosec OTC. Made in Israel.