For example, common food poisoning like Bacillus cereus can set in within 6 to 16 hours. But there are some foodborne illnesses that are latent, meaning they have to reproduce in your system and get into a large load. Hepatitis A virus, for example, can take 15 to 50 days to present. A: That also depends on the individual. In general, 1 to 10 days, but it can be longer in some circumstances.
A: Yes, viral or bacterial food poisoning can sometimes produce fever. That would be things like bread, rice, rice pudding, applesauce, toast and bananas. Something bland. Or chicken noodle soup. You want to stay away from food that is more challenging for your digestive track to digest, like greasy, fried or spicy foods.
You want to drink lots of fluids, and not just water. Water is isotonic. Preparing a list of questions will help you make the most of your time with your doctor. Some questions to ask include:. Drink plenty of fluids. Stick with bland foods to reduce stress on your digestive system. If your child is sick, follow the same approach — offer plenty of fluids and bland food. If you're breast-feeding or using formula, continue to feed your child as usual.
Ask your child's doctor if giving your child an oral rehydration fluid Pedialyte, Enfalyte, others is appropriate. Older adults and people with weakened immune systems might also benefit from oral rehydration solutions. Medications that help ease diarrhea generally aren't recommended for children. Mayo Clinic does not endorse companies or products. Advertising revenue supports our not-for-profit mission. This content does not have an English version. This content does not have an Arabic version.
Diagnosis Food poisoning is often diagnosed based on a detailed history, including how long you've been sick, your symptoms and specific foods you've eaten.
Request an Appointment at Mayo Clinic. Share on: Facebook Twitter. Show references Foodborne germs and illnesses. Centers for Disease Control and Prevention. These drinks can also contain high amounts of sugar, which can be stimulating to the bowels and could worsen symptoms.
In the case of milk, some people develop a temporary lactose intolerance after a gastrointestinal infection and may experience symptoms when drinking it. A person can often treat mild to moderate food poisoning with over-the-counter methods. However, if a person has any of the following symptoms, they may need to see a doctor:.
If a person has any of these symptoms, they may need intravenous fluids to re-hydrate them. They can also receive medications to reduce nausea and slow movement in the gut to reduce diarrhea. Sometimes, a person may need to take antibiotics to reduce levels of bacteria in their stomach.
However, a person should usually only take medications to slow diarrhea or stop vomiting after they have had time to rid their body of the infection. Otherwise, the bacteria can remain for a longer time. Food poisoning is an unpleasant condition that ideally will improve after a few days. A person can carefully start to reintroduce bland foods and hydrating beverages to reduce their symptoms and help them feel stronger after being ill.
However, if people experience dehydration symptoms or blood in their stool or vomit, they should see a doctor. A doctor can recommend further treatments that can help them feel better and overcome their food poisoning. For people experiencing symptoms of a digestive condition, adopting a bland diet may help. Bland diets limit fiber, fat, and spice.
Learn more here. This diet prioritizes bland, easily digestible foods to…. Eating contaminated food can lead to diarrhea, nausea, vomiting, and abdominal pain.
It can also cause inflammation and develop into stomach flu. People often believe it is unsafe to reheat rice. This is because certain bacteria in rice can survive the cooking process. In fact, it is safe to eat…. There are several safe methods for defrosting frozen chicken. Learn how to defrost chicken safely, what not to do, and why it matters. What is best to eat after food poisoning?
Medically reviewed by Natalie Butler, R. Best foods and drinks Foods to avoid When to see a doctor Outlook We include products we think are useful for our readers. Best foods and drinks to eat after food poisoning.
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