Common causes of an upset stomach (stomach ache) include overeating, certain foods, eating too quickly, smoking, medications, gas, constipation, nausea, vomiting, indigestion, heartburn, stomach …

Jul 3, 2025 · Several factors can make it more likely for you to have symptoms even though they don't always cause indigestion: Eating too fast, overeating, or eating spicy, fatty, acidic or greasy foods.

Jun 22, 2025 · It can be brought on by bacteria, regular use of pain relievers like ibuprofen, too much alcohol, or stress. You can sometimes treat it with over-the-counter antacid or prescription …

Jun 26, 2025 · The occasional stomachache is normal, but if your stomach hurts every day, it may be due to factors like certain medications you're taking, a food intolerance, gallstones, or stress. 1 2 3 4

Nov 20, 2025 · If you have certain health conditions — like lactose intolerance or celiac disease — you may be able to prevent stomach pain. Your healthcare provider may recommend avoiding certain …

Oct 21, 2025 · If they aren't, or if symptoms are severe, persistent, or worsening, you need to see a healthcare provider to investigate the cause. This article covers several possible causes of stomach …

Whether it’s indigestion, heartburn, nausea or gas, these symptoms are all commonly associated with an upset stomach. Doug Purdy, MD, gastroenterologist at UnityPoint Health, explains why tummy …

Oct 23, 2025 · Bloating, diarrhea, constipation, abdominal pain, heartburn, nausea, vomiting, gas and other common GI symptoms can result from a number of health issues, ranging from stress to GI …

Upset stomach or abdominal pain is most often due to inflammation of the stomach lining and intestines caused by viruses. Typically, an upset stomach can be treated at home.

Indigestion or upset stomach is a symptom of another problem. Treatment for indigestion depends on the underlying cause. Learn about causes, symptoms, and treatment.