Bland, low-fiber foods like bananas, white rice, applesauce, and plain toast are the go-to choices for settling diarrhea. These foods help solidify loose stools without irritating your stomach. But your options extend well beyond that short list, and what you eat in the first 48 hours of recovery matters for how quickly you bounce back.
The BRAT Diet: Where to Start
BRAT stands for bananas, white rice, applesauce, and white toast. These four foods are gentle on the digestive system and help firm up watery stools. They’re low in fat, low in fiber, and easy to digest, which means your gut doesn’t have to work hard to process them. Bananas pull double duty here: they’re binding and they’re rich in potassium, a mineral you lose rapidly during bouts of diarrhea.
The BRAT diet was designed as a short-term solution, not a long-term eating plan. It lacks enough protein, fat, and calories to sustain you for more than a day or two. Think of it as a 24-to-48-hour reset for your digestive system before you start adding other foods back in.
Soluble Fiber Absorbs Excess Water
This sounds counterintuitive, since fiber is usually associated with keeping things moving. But soluble fiber works differently from the rough, insoluble kind found in raw vegetables and whole grains. Soluble fiber dissolves in water and forms a gel-like substance in your gut, absorbing excess liquid and adding bulk to loose stools.
Good sources of soluble fiber include oats, barley, carrots, peas, bananas, apples (cooked or as applesauce, not raw), and avocados. If you’re reaching for oatmeal, keep it plain. Skip the butter, cream, or heavy toppings that could make things worse.
Low-Residue Foods That Won’t Overwhelm Your Gut
A low-residue diet limits the amount of undigested material passing through your intestines, which helps reduce bowel stimulation. During active diarrhea, this approach gives your digestive tract a chance to calm down. The food choices overlap with the BRAT diet but include more variety:
- Proteins: tender chicken (skinless, baked or steamed), eggs, fish, tofu, and creamy peanut butter
- Starches: white rice, plain pasta, potatoes without added butter or cheese, and saltine crackers
- Cooking methods: steaming, poaching, simmering, and baking in a covered dish all keep food tender and easy to digest
The key is making everything as soft and plain as possible. Grilled chicken breast is fine. Fried chicken with a crispy coating is not.
Replacing Lost Potassium and Sodium
Diarrhea drains your body of fluids and electrolytes, especially potassium and sodium. Low potassium leaves you feeling weak and fatigued, sometimes even after the diarrhea itself has stopped. Eating potassium-rich foods during recovery helps restore what you’ve lost.
Ripe bananas are the easiest option, but you can also eat potatoes, fish, and lean meat. Apricot or peach nectar provides potassium in liquid form, which is useful if you’re struggling to keep solid food down. For sodium, broth-based soups and saltine crackers work well. Sipping clear broth throughout the day replaces both fluid and salt at the same time.
Probiotic Foods for Faster Recovery
Probiotics help restore the balance of beneficial bacteria in your gut, which diarrhea disrupts. Clinical evidence shows that certain probiotic strains can meaningfully shorten how long diarrhea lasts. A large evidence review in Frontiers in Pediatrics found that specific strains, including those in the Lactobacillus, Bifidobacterium, and Saccharomyces families, significantly reduced diarrhea duration compared to no treatment.
You can get probiotics from food rather than supplements. Plain yogurt with live active cultures is the most accessible option and is generally well tolerated even during digestive upset. Kefir, miso soup, and fermented foods like sauerkraut also contain beneficial bacteria, though the fermented options may be harder on a sensitive stomach. Start with a small portion of plain yogurt and see how you feel before eating more.
Foods and Ingredients to Avoid
Some foods actively make diarrhea worse by pulling extra water into your intestines. Sugar alcohols are a common culprit that people overlook entirely. Sorbitol, mannitol, xylitol, and maltitol are sugar substitutes found in sugar-free gum, candy, and some processed foods. Even 5 to 20 grams of sorbitol per day can cause gas, bloating, and urgency, and doses above 20 grams can trigger diarrhea on their own. Check the labels on any “sugar-free” products you’re consuming.
Sorbitol also occurs naturally in certain fruits: apples (raw, not as applesauce), apricots, dates, figs, nectarines, peaches, pears, plums, prunes, and raisins. These are normally healthy choices, but during a bout of diarrhea, they can make things worse.
Other foods to skip until you’ve fully recovered:
- Dairy (except yogurt): milk, cheese, and ice cream can be hard to digest when your gut is inflamed
- Fatty and fried foods: they speed up intestinal contractions
- Caffeine and alcohol: both increase fluid loss and stimulate the bowels
- Raw vegetables and high-fiber grains: whole wheat bread, bran, and raw salads add bulk that an irritated gut can’t handle well
- Spicy foods: capsaicin irritates the intestinal lining
How to Reintroduce Normal Foods
Wait at least 24 to 48 hours after your symptoms improve before returning to your regular diet. Jumping back to rich or complex meals too quickly often triggers a relapse.
After the initial BRAT phase, start adding in foods one at a time: rice porridge, cream of wheat, boiled eggs, plain pasta, steamed chicken, sweet potatoes, oatmeal, and canned tuna packed in water. These are still gentle but provide more protein and nutrients than the BRAT diet alone. Keep portions small and eat more frequently rather than sitting down to large meals.
Once you’re tolerating these foods without any return of symptoms, gradually bring back cooked vegetables, then fruits, then dairy, and finally fattier or spicier foods. Most people can return to a fully normal diet within three to five days of symptoms clearing up.
Zinc for Children With Diarrhea
For young children, zinc plays a specific role in diarrhea recovery. The World Health Organization recommends 20 mg of zinc per day for 10 to 14 days for children with diarrhea, and 10 mg per day for infants under six months. Zinc helps shorten the duration and severity of the episode. This is particularly important in areas where childhood diarrhea is common and can lead to dangerous dehydration. Pediatric zinc supplements are widely available, and the recommendation applies alongside oral rehydration solutions.