Are there home remedies for gastritis?

Gastritis. First, avoid foods that exacerbate symptoms: fats, fried foods, spicy foods, caffeine/pop, medications like nsaids. Tums, (calcium carbonate) etc or sodium bicarbonate may help relieve symptoms. Otc acid blockers are available, but if you need one of those, you should be evaluated by a doc to determine the cause & optimal treatment.