Most upset stomachs resolve on their own within a day or two, but the right food, drink, or remedy can cut that misery short. What works best depends on your specific symptoms: nausea, bloating, cramping, or diarrhea each respond to slightly different approaches. Here’s what actually helps.
Ginger for Nausea
Ginger is one of the most effective natural options for nausea. The sharp, pungent compounds in ginger root block serotonin signals along the nerve pathway that triggers the urge to vomit. Unlike prescription anti-nausea drugs that compete directly with serotonin for the same receptor, ginger’s compounds bind to a separate site on the receptor and dial down the signal from there. This makes ginger a gentler but still effective way to quiet nausea from food poisoning, motion sickness, or a stomach bug.
Fresh ginger tea is the simplest route: slice a thumb-sized piece of raw ginger, steep it in hot water for five to ten minutes, and sip slowly. Ginger chews, ginger ale made with real ginger (check the label), and ginger capsules all work too. If you’re vomiting and can’t keep much down, small sips of ginger tea are easier to tolerate than food.
Chamomile and Peppermint Tea
Chamomile tea is a solid choice for stomach cramping and general digestive discomfort. Chamomile contains a group of plant compounds that lower inflammation in the gut lining by reducing the chemical messengers your body uses to signal irritation. This is why chamomile tends to work well for the achy, sore-stomach feeling that comes with a mild bug or overeating.
Peppermint tea can relieve bloating, gas, and intestinal cramping by relaxing the smooth muscles of your digestive tract. There’s one important caveat: peppermint also relaxes the muscular valve between your esophagus and stomach. If you have acid reflux or heartburn, peppermint can make it worse by letting stomach acid travel upward. Stick with chamomile or ginger instead if reflux is part of your problem.
What to Eat (and What to Skip)
You’ve probably heard of the BRAT diet: bananas, rice, applesauce, and toast. It’s a reasonable starting point for the first day or two of a stomach illness, but Harvard Health notes there’s no research showing it works better than other bland foods. There’s no need to limit yourself to just those four items.
A broader list of stomach-friendly foods includes brothy soups, oatmeal, boiled potatoes, crackers, and unsweetened dry cereals. These are all low in fat, easy to digest, and unlikely to further irritate your stomach. Once your symptoms start improving, you can add cooked carrots, sweet potatoes without skin, avocado, skinless chicken or turkey, fish, and eggs. The goal is to give your digestive system simple work to do while it recovers, then gradually return to your normal diet.
While you’re symptomatic, avoid dairy, fried or greasy food, spicy dishes, caffeine, and alcohol. These all either increase stomach acid, slow digestion, or irritate an already inflamed gut lining.
Staying Hydrated
Dehydration is the biggest practical risk from vomiting or diarrhea, especially in children and older adults. Plain water is fine for mild cases. If you’ve been vomiting or had diarrhea for several hours, an oral rehydration solution or a drink with electrolytes helps replace the sodium and potassium you’ve lost. Sip small amounts frequently rather than gulping a full glass, which can trigger more vomiting if your stomach is still irritated.
Clear broths do double duty here: they provide fluid, salt, and a small number of calories without taxing your digestion.
Over-the-Counter Options
Bismuth subsalicylate (the active ingredient in Pepto-Bismol and similar store brands) covers the widest range of symptoms. It’s indicated for nausea, heartburn, indigestion, and diarrhea. The standard adult dose is two tablespoons every 30 to 60 minutes as needed, up to eight doses in 24 hours, for no more than two days.
Antacids containing calcium carbonate (like Tums) work fast for heartburn and acid-related stomach pain by neutralizing stomach acid directly. They won’t help much with nausea or diarrhea. Anti-diarrheal medications containing loperamide (Imodium) slow the movement of your intestines and are useful when diarrhea is the main problem, but they shouldn’t be used if you have a fever or bloody stools, since your body may need to flush out the infection causing those symptoms.
One safety note for parents: bismuth subsalicylate is a salicylate, the same class of compound found in aspirin. Children under 16 should not take it because of the risk of Reye’s syndrome, a rare but serious condition that causes brain and liver damage when children with viral illnesses are exposed to salicylates.
Probiotics for Recovery
Probiotics can shorten the duration of diarrhea, particularly after a stomach bug or a course of antibiotics. The evidence is strongest for two specific strains. In one trial of hospitalized children on antibiotics, those given Saccharomyces boulardii (a beneficial yeast) had diarrhea for an average of 2.3 days compared to 9 days in the comparison group. Lactobacillus rhamnosus GG, one of the most studied probiotic bacteria, reduced diarrhea duration by about two days in children with rotavirus infections.
For preventing antibiotic-related diarrhea, doses of 5 to 40 billion colony-forming units per day of either L. rhamnosus or S. boulardii have shown effectiveness. You can find these strains in supplement form at most pharmacies. Yogurt and kefir contain some probiotic bacteria, but the strains and doses vary widely by brand, so supplements offer more consistency if you’re targeting a specific problem.
Signs That Need Medical Attention
Most stomach upset passes within 24 to 48 hours. Certain patterns signal something more serious. Sudden, severe abdominal pain that doesn’t ease within 30 minutes warrants emergency care. The same goes for abdominal pain paired with continuous vomiting, a high fever, or a rapid pulse.
Pain concentrated in the lower right abdomen, especially with loss of appetite and fever, can indicate appendicitis. Pain in the middle upper abdomen that worsens after eating and lasts for days may point to pancreatitis. Bloody vomit, bloody or black stools, and signs of dehydration (dizziness, very dark urine, inability to keep fluids down for more than a few hours) all call for prompt medical evaluation.