Most upset stomachs can be calmed within 10 to 30 minutes using a combination of simple remedies you likely already have at home. The right approach depends on what’s causing your discomfort, whether it’s nausea, bloating, acid, or cramping, but a few strategies work across the board and can bring relief quickly.
Ginger for Nausea and Slow Digestion
Ginger is one of the fastest natural options for settling nausea. Its active compound, gingerol, speeds up the rate at which food leaves your stomach and moves through your digestive tract. When your stomach feels heavy or queasy, that sluggish emptying is often the problem, and ginger directly addresses it.
You don’t need supplements. Johns Hopkins Medicine recommends getting ginger from food and beverages rather than pills, since the supplement industry is poorly regulated and capsules may contain unlisted ingredients. The quickest delivery methods are ginger tea (steep fresh sliced ginger in hot water for five to ten minutes), flat ginger ale made with real ginger, or simply chewing on a small piece of crystallized ginger. Most people notice nausea easing within 15 to 20 minutes.
Antacids Work Within 10 Minutes
If your stomach upset involves burning, acid reflux, or a sour feeling in your chest or throat, chewable antacids are the fastest fix available. Calcium carbonate tablets (like Tums) and aluminum/magnesium hydroxide liquids (like Maalox) both raise stomach and esophageal pH to a peak within about 10 minutes of taking them. The aluminum/magnesium combination tends to last a bit longer, around 82 minutes compared to 60 minutes for calcium carbonate, so it may be the better choice if your discomfort has been lingering.
Bismuth subsalicylate (Pepto-Bismol) is a better option when your symptoms lean more toward general nausea, cramping, or diarrhea rather than acid. It coats the stomach lining and reduces inflammation in the gut. The maximum safe dose is 16 regular-strength tablets or 16 tablespoons of regular-strength liquid in 24 hours. Avoid it if you’re allergic to aspirin, since the two compounds are chemically related.
Apply Heat to Your Abdomen
A heating pad or warm water bottle placed on your stomach is surprisingly effective for cramps and general abdominal discomfort. Heat dilates blood vessels in the area, increasing circulation and delivering more nutrients to irritated tissues. It also relaxes tense abdominal muscles, which reduces the spasm-like pain that often accompanies an upset stomach. Keep the temperature comfortable (not hot enough to redden your skin) and apply it for 15 to 20 minutes. This works especially well alongside other remedies while you wait for them to kick in.
Peppermint for Bloating and Cramping
Peppermint relaxes the smooth muscles in your digestive tract, which makes it particularly useful for bloating, gas pain, and that uncomfortable “too full” feeling. Peppermint tea is the easiest option and typically brings some relief within 15 to 30 minutes. If you deal with stomach upset frequently, enteric-coated peppermint oil capsules are a more concentrated option. The standard dose is one capsule three times a day, taken 30 to 60 minutes before eating. One caution: peppermint can worsen acid reflux by relaxing the valve between your esophagus and stomach, so skip it if heartburn is your main symptom.
Stay Hydrated the Right Way
Dehydration makes every type of stomach upset worse, and if you’ve been vomiting or having diarrhea, you’re losing fluids fast. Plain water helps, but your gut absorbs fluid most efficiently when sodium and glucose are present in a 1:1 ratio. That’s the principle behind oral rehydration solutions like Pedialyte and the WHO’s recommended formula, which contains 75 milliequivalents each of sodium and glucose per liter.
If you don’t have a commercial rehydration drink on hand, sip small amounts of broth (which provides sodium) alternated with small sips of diluted juice or flat soda (which provides glucose). The key word is “sip.” Drinking large amounts at once can trigger more nausea. Take a few small sips every five minutes rather than gulping a full glass.
What to Eat When Your Stomach Settles
The old advice to stick strictly to bananas, rice, applesauce, and toast (the BRAT diet) is outdated. There are no studies showing it works better than other bland foods, and restricting yourself to just those four items deprives your body of the protein and nutrients it needs to recover. Harvard Health recommends expanding your options to include brothy soups, oatmeal, boiled potatoes, crackers, and unsweetened dry cereal, all of which are equally easy to digest.
Once you can keep bland food down, add cooked squash, carrots, skinless sweet potatoes, avocado, skinless chicken or turkey, fish, and eggs. These foods are gentle on the stomach but provide meaningful nutrition. What you want to avoid until you’re fully recovered is insoluble fiber: leafy greens, fruit and vegetable skins, popcorn, nuts, seeds, and beans. These are harder to digest when your gut is irritated and can increase gas, bloating, and bowel frequency.
A Quick Combination Strategy
For the fastest relief, layer your remedies. Start sipping ginger tea or take an antacid (depending on whether nausea or acid is your main issue), place a heating pad on your abdomen, and take small sips of an electrolyte drink between sips of tea. Most people feel noticeably better within 20 to 30 minutes using this approach. Once the worst passes, eat something bland and easy to digest rather than waiting until you’re hungry enough for a full meal.
When Stomach Pain Needs Urgent Attention
Most upset stomachs resolve on their own or with the remedies above. But certain patterns signal something more serious. Seek emergency care if you experience severe abdominal pain combined with a rapid heart rate, lightheadedness, or confusion, as these are signs of shock. A rigid, distended abdomen where you instinctively hold very still because any movement worsens the pain can indicate peritonitis, which requires immediate treatment. Serious bowel complications like loss of blood supply to the intestines can progress to tissue death in under six hours, so time matters.
Stomach pain also warrants faster medical evaluation if you’re pregnant, immunocompromised, very young, or elderly. For everyone else, stomach upset that hasn’t improved at all after 48 hours, or that’s accompanied by a high fever, bloody stool, or persistent vomiting, is worth a call to your doctor.