Stop eating for a short time and rest your stomach
Sip warm water slowly
Drink oral rehydration solution if you feel weak or dehydrated
Avoid spicy, oily, acidic, and heavy foods
Avoid tea, coffee, alcohol, and carbonated drinks
Eat bland foods when you can tolerate food
Try small sips of ginger tea or peppermint tea
Take an antacid if you usually use one safely
Take simethicone if you have gas and bloating
Use a proton pump inhibitor or H2 blocker only if prescribed or previously recommended by a doctor
Avoid lying down immediately after eating
Sit upright or walk slowly for a few minutes
Apply a warm compress to the abdomen if cramps are present
Avoid smoking
Seek urgent medical help if you have severe pain, vomiting blood, black stools, chest pain, trouble breathing, fever, or persistent vomiting