To keep your stomach healthy, focus on eating smaller, regular meals, staying hydrated, and avoiding triggers like spicy, greasy foods and excess caffeine. Crucially, limit the use of pain relievers like ibuprofen, which can irritate the stomach lining. For gas relief, over-the-counter simethicone is highly effective. To prevent or treat ulcers, acid-reducing medications like omeprazole (a proton pump inhibitor) or famotidine (an H2 blocker) are commonly recommended. However, please consult your doctor before starting any daily medication to ensure you receive the safest and most effective plan for your body.