Most upset stomachs resolve within a few hours, and several simple strategies can speed that timeline. What works best depends on your specific symptoms: nausea, bloating, cramping, or diarrhea each respond to slightly different approaches. Here’s what actually helps, starting with the fastest options.
Ginger for Nausea
If your main symptom is nausea, ginger is one of the fastest natural options. The active compounds in ginger (gingerols and shogaols) work by interfering with serotonin receptors in your gut that trigger the urge to vomit. They don’t block these receptors directly but bind to a nearby site that dials down the signal, reducing nausea in a dose-dependent way. This is the same receptor system that prescription anti-nausea medications target.
Fresh ginger tea is the simplest delivery method. Slice a thumb-sized piece of fresh 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. You can feel effects within 20 to 30 minutes. If fresh ginger isn’t available, even ginger-flavored hard candies can take the edge off mild nausea.
Apply Heat to Your Abdomen
A heating pad or hot water bottle placed on your stomach can relieve cramping and deep abdominal pain surprisingly quickly. Research from University College London explains why: heat above 40 degrees Celsius (about 104°F) activates heat receptors in the skin that physically block pain receptors underneath. These pain receptors normally fire when cells are damaged or stretched, which is exactly what happens during cramps, bloating, or intestinal spasms. The heat essentially jams the pain signal before it reaches your brain.
This works for all kinds of internal abdominal pain, including menstrual cramps, gas pain, and general stomach upset. Lie down with a warm pad on your belly for 15 to 20 minutes. The relief is often noticeable within the first few minutes.
Try the Pressure Point on Your Wrist
There’s a spot on the inside of your wrist called P6 (or Neiguan) that can reduce nausea when pressed firmly. It sits about three finger-widths below your wrist crease, between the two tendons. Press firmly with your thumb for two to three minutes, or use a wristband designed for this purpose (commonly sold as “Sea-Bands”).
Clinical trials show P6 acupressure significantly reduces the frequency and severity of nausea compared to no treatment. Some of the benefit may come from a placebo effect, but the technique is free, has zero side effects, and works within minutes. It’s worth trying while you wait for other remedies to kick in.
What to Eat (and What to Skip)
You’ve probably heard of the BRAT diet: bananas, rice, applesauce, and toast. While these bland foods are gentle on an irritated stomach, the CDC has noted that this diet is unnecessarily restrictive and provides suboptimal nutrition for recovery. A better approach is to eat small amounts of whatever bland foods appeal to you. Plain crackers, broth, boiled potatoes, and plain pasta are all fine choices.
What matters more is what you avoid. Fatty, greasy, or heavily spiced foods force your stomach to produce more acid and work harder to digest. Dairy can worsen symptoms if your gut is already inflamed. Caffeine and alcohol both irritate the stomach lining and increase acid production. Carbonated drinks can add gas to an already bloated system, though small sips of flat ginger ale are an exception if nausea is your main issue.
Eat small portions rather than full meals. An overwhelmed digestive system recovers faster when it doesn’t have to process large volumes of food at once. If you have no appetite at all, don’t force it. Focus on staying hydrated instead.
Stay Hydrated, Especially With Diarrhea
Dehydration is the main risk with any stomach illness that involves vomiting or diarrhea. Water is good, but you’re also losing electrolytes (sodium, potassium, and other minerals). Oral rehydration solutions, diluted sports drinks, or clear broth replace both fluid and electrolytes. Sip slowly rather than gulping, since large volumes of liquid can trigger more nausea.
If plain water makes you feel more nauseated, try sucking on ice chips or popsicles. Room-temperature liquids tend to be gentler on the stomach than very cold ones.
Over-the-Counter Options by Symptom
Different OTC medications target different symptoms, so matching the right one to your problem matters.
- Nausea and general upset: Bismuth subsalicylate (the active ingredient in Pepto-Bismol) coats the stomach lining and reduces inflammation. It also has mild antibacterial properties, which helps if a foodborne bug is the cause.
- Gas and bloating: Simethicone (found in Gas-X) works by reducing the surface tension of gas bubbles trapped in your intestines, causing them to merge and become easier to pass. It doesn’t get absorbed into your bloodstream, so side effects are minimal. Relief typically comes within 15 to 30 minutes.
- Heartburn or acid-related pain: Antacids neutralize stomach acid on contact. Calcium carbonate (Tums) works fastest. If acid is your issue, you’ll feel better within minutes.
- Diarrhea: Loperamide (Imodium) slows intestinal contractions to give your body more time to absorb water. The FDA-approved maximum for over-the-counter use is 8 mg per day. It’s effective but best avoided if you have a fever or bloody stool, which can signal an infection your body needs to clear.
Peppermint for Cramping and Spasms
Peppermint has a direct antispasmodic effect on the smooth muscle of your digestive tract. It relaxes the muscles that line your stomach and intestines, easing cramps and helping trapped gas move through. Peppermint tea is the gentlest option. If you have acid reflux, though, skip the peppermint. It relaxes the valve between your stomach and esophagus, which can make heartburn worse.
Positions That Help
How you position your body affects how quickly your stomach empties and how comfortable you feel. Lying on your left side encourages your stomach to drain naturally, since the exit to your small intestine sits on the right side of your body. Gravity helps move contents along. Avoid lying flat on your back, especially if acid reflux is part of the problem. Propping your upper body at a 30-degree angle (a couple of pillows work) keeps acid where it belongs.
Gentle movement can also help if bloating is the issue. A slow 10-to-15-minute walk stimulates intestinal contractions and helps trapped gas pass more quickly. Avoid vigorous exercise, which can redirect blood flow away from your digestive system and make things worse.
When It’s Not Just a Stomach Ache
Most upset stomachs are caused by something you ate, mild viral bugs, stress, or overeating, and they clear up within a few hours to a day. Certain patterns suggest something more serious: pain that’s localized to one specific spot (especially the lower right abdomen), vomiting that lasts more than 24 hours, blood in your vomit or stool, severe pain that gets worse rather than better, or a high fever alongside stomach symptoms. These warrant prompt medical attention rather than home remedies.