When you’re sick, the right foods can ease nausea, soothe a sore throat, and help your body recover faster. The wrong ones can make you feel worse. What you should reach for depends on your specific symptoms, but a few foods work well across nearly every type of illness.
Why Eating Matters When You’re Sick
Your body burns through energy faster when you’re fighting an infection. For every degree your temperature rises above normal, your metabolic rate increases by 8 to 10 percent. That means a moderate fever can push your calorie and fluid needs up by 20 percent or more. Skipping meals entirely leaves your immune system short on fuel at the exact moment it needs the most.
That said, forcing down a full plate when you’re nauseated or have stomach cramps will backfire. The goal is to eat small amounts of the right things, frequently, rather than sitting down to regular-sized meals.
Best Foods for Nausea and Vomiting
Ginger is one of the most reliable natural options for settling your stomach. It works directly on the digestive tract, and clinical trials have tested doses of 250 mg of powdered ginger four times a day (about one gram total) with consistent results. You don’t need capsules to get the benefit. Fresh ginger tea, ginger chews, or flat ginger ale made with real ginger all help. Aim for small, frequent sips rather than drinking a full glass at once.
Plain crackers, dry toast, and white rice are easy on a churning stomach because they’re bland, low in fat, and quick to digest. Fat slows stomach emptying, which is the last thing you want when you’re already nauseous. Avoid anything greasy, spicy, or strongly flavored until the nausea passes. Cold foods like applesauce or plain yogurt are often easier to tolerate than hot meals, partly because they produce less smell.
What to Eat With a Sore Throat or Cold
Honey is genuinely effective here, not just a folk remedy. A systematic review in BMJ Evidence-Based Medicine found that honey reduced cough frequency, cough severity, and overall symptom scores better than standard care for upper respiratory infections. Stir a tablespoon into warm (not hot) tea or warm water with lemon. The thick texture coats irritated tissue, and honey has natural antimicrobial properties. One important note: never give honey to children under one year old.
Chicken soup earns its reputation through real biology. Lab research published in the journal Chest found that chicken soup inhibits the movement of certain white blood cells that drive inflammation in the upper airways. Both the broth and the vegetables contributed to this effect. Beyond the anti-inflammatory angle, the warm broth loosens congestion, delivers fluids, and provides electrolytes from the salt. Homemade versions with carrots, celery, onion, and garlic tend to work best, but even store-bought soup helps with hydration.
Soft, warm foods in general are your best bet when swallowing hurts. Oatmeal, mashed potatoes, scrambled eggs, and smoothies all go down without irritating raw tissue. Avoid chips, crusty bread, or acidic foods like tomato sauce and citrus juice, which can sting.
Best Choices for Stomach Bugs and Diarrhea
The old BRAT diet (bananas, rice, applesauce, toast) has been a go-to recommendation for decades, but it’s no longer considered the best approach. The Cleveland Clinic notes that it lacks calcium, vitamin B12, protein, and fiber. Following it strictly for more than a day or two can slow recovery rather than help it, especially in children. The American Academy of Pediatrics no longer recommends it for kids with diarrhea because it’s too restrictive.
Instead, start with those bland staples but expand as soon as you can tolerate it. Add lean protein like plain chicken breast or boiled eggs. Include cooked vegetables like carrots or squash. Try a small portion of plain pasta. The idea is to eat a wider range of gentle foods so your body gets the nutrients it needs to heal, not just the bare minimum to avoid vomiting.
Probiotic-rich foods can shorten a bout of diarrhea. Clinical evidence shows that specific probiotics reduced the duration of diarrhea in children by up to two days compared to placebo. You can get probiotics from plain yogurt with live cultures, kefir, or fermented foods like miso. If dairy bothers your stomach during illness, a probiotic supplement is another option.
Fluids Are More Important Than Food
Dehydration is the biggest risk when you’re sick, especially with vomiting, diarrhea, or fever. Your body loses water faster than normal through sweat, loose stools, and increased breathing rate. Replacing fluids is more urgent than replacing calories.
Water is the foundation, but it doesn’t replace the electrolytes you lose. Broth-based soups, oral rehydration solutions, coconut water, and diluted fruit juice all provide sodium and potassium alongside fluid. Sports drinks work in a pinch, though they tend to be high in sugar. If you’re vomiting, take tiny sips every few minutes rather than gulping. Ice chips or frozen fruit bars can help if even sips come back up.
Watch your urine color as a hydration gauge. Pale, clear urine means you’re on track. Dark yellow or amber urine means you need more fluids. A rapid pulse paired with low blood pressure, dry skin that stays “tented” when you pinch it, or dizziness when standing are signs that dehydration has become serious enough to need medical attention.
What to Avoid
Some foods and drinks make symptoms worse regardless of what type of illness you have:
- Fatty and fried foods slow digestion and can trigger nausea or worsen diarrhea.
- Caffeine and alcohol are both diuretics that pull water out of your body when you need to be retaining it.
- Sugary drinks and candy can draw water into the intestines and worsen diarrhea through osmotic effect.
- Spicy foods irritate the stomach lining and can amplify nausea or acid reflux.
- Raw vegetables and high-fiber foods are harder to digest and can aggravate an already sensitive gut.
Dairy is a common concern. The belief that milk increases mucus production is widespread, but the science is more nuanced. Research suggests that a protein found in certain types of cow’s milk (called A1 milk) may stimulate mucus production in the gut and possibly the airways, but only in people with increased intestinal permeability. For most people, a small amount of plain yogurt or a splash of milk in tea won’t make congestion noticeably worse. If dairy seems to thicken the mucus in your throat, trust your body and skip it until you’re better.
A Simple Eating Plan by Day
On your worst day, focus entirely on fluids: broth, ginger tea, oral rehydration solution, and water. Add bland solids like crackers, toast, or plain rice when you can keep liquids down for a few hours without vomiting.
By day two or three, expand to soft proteins and cooked vegetables. Scrambled eggs, chicken soup, banana, oatmeal, and mashed sweet potato give your body a broader range of nutrients without taxing your digestive system. Eat five or six small portions spread through the day instead of three larger meals.
Once your appetite starts returning, gradually reintroduce your normal diet. Start with foods that are cooked, mild, and easy to chew before jumping back to salads, whole grains, and raw produce. Most people can eat normally again within three to five days of a typical cold or stomach bug.