Treatment depends on the specific cause. Some of the causes will disappear over time. Medications to neutralize stomach acid or decrease its production may be recommended.
The outlook depends on the cause, but is usually good.
See the specific types of gastritis.
Call for an appointment with your health care provider if you develop gastritis symptoms.
Kuipers, E. Acid peptic disease. In: Goldman L, Ausiello D. Cecil Textbook of Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 141.