Plain white rice is one of the best foods you can eat when your stomach is upset. It’s low in fiber, easy to digest, and unlikely to irritate an already sensitive gut. Rice has been a go-to remedy for nausea, diarrhea, and general stomach distress across cultures for centuries, and modern nutrition guidelines still support it as a safe choice during digestive flare-ups.
Why White Rice Is Easy on Your Stomach
White rice is processed to remove the outer bran and germ layers of the grain, leaving mostly the starchy endosperm. That stripping process is what makes white rice less nutritious than brown rice on a normal day, but it’s exactly what makes it gentle during illness. The result is a bland, low-fiber carbohydrate that gives your body energy without forcing your digestive system to work hard.
White rice is also low in fermentable carbohydrates (FODMAPs), the types of sugars that can pull water into the intestines and produce gas. For people with irritable bowel syndrome, inflammatory bowel disease, or a temporary bout of stomach flu, this matters. A cooked serving of up to about one cup remains well within the low-FODMAP range, meaning it’s unlikely to trigger bloating, cramping, or diarrhea.
White Rice vs. Brown Rice
Brown rice is the healthier choice when your digestion is working normally. It delivers more fiber, magnesium, potassium, iron, and several B vitamins. But that extra fiber is precisely the problem during a flare-up. Fiber speeds up transit through the gut and can worsen diarrhea, cramping, and gas when your intestines are already inflamed or irritated.
Harvard Health recommends sticking with white rice during digestive symptoms and switching back to brown rice once things settle down. Think of white rice as a temporary tool, not a long-term dietary staple.
The BRAT Diet: Still Useful, Just Not Strict
You’ve probably heard of the BRAT diet: bananas, rice, applesauce, and toast. It’s been recommended for decades as a way to eat through stomach bugs and food poisoning. The idea is sound. All four foods are bland, binding, and low in fat and fiber.
That said, no clinical studies have actually tested the BRAT diet against other approaches. Harvard Health notes that restricting yourself to only those four foods for more than a day or two can leave you short on nutrients and calories right when your body needs them for recovery. A better approach is to start with BRAT-style foods and expand as your stomach allows. Brothy soups, oatmeal, boiled potatoes, crackers, and unsweetened dry cereals are all similarly gentle options. Once you’re feeling better, add cooked carrots, sweet potatoes without skin, avocado, skinless chicken, fish, and eggs.
Rice Water and Congee
Sometimes solid rice is too much, especially in the first hours of a stomach bug when nausea is at its worst. Two alternatives can help: rice water and congee.
Rice water is simply the starchy liquid left over after cooking rice. You can strain it off, let it cool slightly, and sip it. A Johns Hopkins study found that rice-based oral rehydration solutions reduced stool output by 20 percent in the first eight hours compared to standard glucose-based solutions in children with severe diarrhea. The starch in rice water appears to slow fluid loss in the gut during that critical early window of illness.
Congee is rice cooked with far more water than usual (a ratio of about 1 cup rice to 6 cups water or broth) for one to two hours until the grains break down into a loose, porridge-like soup. It’s a staple across East and Southeast Asia for anyone recovering from illness. The long cooking process makes the rice even easier to digest, and the extra liquid helps with hydration. You can also make it overnight in a slow cooker on low. Adding a small amount of fresh ginger and chopped scallions during the last 15 minutes is a traditional variation for colds and flu that also helps settle nausea.
What Not to Add
Plain rice helps your stomach. Rice cooked in butter, topped with a spicy curry, or served alongside fried foods can make things worse. Saturated fats slow digestion and sit heavy in an irritated stomach. Spicy seasonings can directly irritate the gut lining. One study found that people who ate spicy foods 10 or more times per week were 92 percent more likely to have irritable bowel syndrome symptoms than those who avoided spicy food entirely.
When you’re eating rice for stomach relief, keep it simple: a little salt is fine, a splash of broth for flavor works, but skip the oils, heavy sauces, and chili flakes until you’re fully recovered.
Storing Cooked Rice Safely
There’s one important risk with rice that most people don’t know about. Cooked rice left at room temperature can grow a bacterium called Bacillus cereus, which produces toxins that cause vomiting and diarrhea. Reheating the rice doesn’t reliably destroy these toxins once they’ve formed. The last thing you want when nursing an upset stomach is a new round of food poisoning on top of it.
Refrigerate leftover rice within two hours of cooking. If you’ve left it sitting on the counter longer than that, throw it out.
Signs Your Stomach Needs More Than Rice
Rice and rest will resolve most cases of stomach flu, mild food poisoning, or general digestive upset within a day or two. But some symptoms signal something more serious. The Mayo Clinic recommends contacting a doctor if you can’t keep liquids down for 24 hours, if vomiting or diarrhea lasts more than two days, if you notice blood in your vomit or stool, if you develop a fever above 104°F, or if you show signs of dehydration like excessive thirst, very dark urine, dizziness, or producing little to no urine.
For infants and young children, the thresholds are lower. A fever above 102°F, bloody diarrhea, no wet diaper in six hours, or crying without tears all warrant a call to the pediatrician right away.