If your stomach growls after eating and you take an omeprazole and it gets better, it may be a phenomenon caused by indigestion, gastritis, gastric ulcer and other diseases. 1. Indigestion: when too much food is consumed, the food accumulates in the stomach and is prone to increased gas production. By taking omeprazole to inhibit the secretion of gastric acid, the phenomenon of improvement can occur. 2. Gastritis, gastric ulcer: this kind of disease will generally appear the phenomenon of stomach pain, gastric distension, after eating can appear indigestion, gastrointestinal power to weaken the symptoms, so there will be abdominal distension, stomach gurgling phenomenon, omeprazole can inhibit the secretion of gastric acid, to alleviate this phenomenon. Taking one omeprazole after eating a rumbling stomach is better, it may just be that the drug briefly relieves the symptoms, it does not mean that the disease has been cured. Drugs need to be applied under the advice of a doctor, it is recommended to consult a doctor in time.