Over-the-counter antacids can help neutralize stomach acid and provide temporary relief from symptoms. These prescription medications reduce stomach acid production and promote healing of the stomach lining. Another type of medication that reduces stomach acid production and provides relief from gastritis symptoms. If the gastritis is caused by an infection, such as Helicobacter pylori (H. pylori), a course of antibiotics may be prescribed to eradicate the bacteria. Identify and avoid foods or beverages that worsen gastritis symptoms, such as spicy, acidic, or fatty foods, alcohol, and caffeine.This can help reduce the burden on the stomach and minimize acid production. Smoking can irritate the stomach lining and worsen gastritis symptoms. Stress can contribute to gastritis symptoms, so practicing stress-reducing techniques, such as exercise, meditation, and relaxation exercises, may be helpful. If gastritis is caused by the use of non-steroidal anti-inflammatory drugs (NSAIDs), reducing or stopping their use, under medical guidance, is recommended.Over-the-counter pain relievers: Non-prescription pain relievers, such as acetaminophen, may be used to alleviate discomfort. Limit or avoid the use of aspirin and other NSAIDs, which can aggravate gastritis symptoms.