Omeprazole is a prescription medication used to help treat gastrointestinal (GI) ulcers, reflux esophagitis, and H pylori infections. It can be used to help prevent gastrointestinal ulcers when giving aspirin or other NSAIDs (non-steroidal anti-inflammatories). Omeprazole makes the stomach less acidic. Omeprazole Compounded capsule is a white elongated capsule made specifically for your pet. **Please note your capsules may be either blue-white or all white. There has been no change to the medication's strength or quality; this only impacts the capsules' size and appearance.**