How to Get Rid of Food Poisoning

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Food poisoning occurs when you eat food that is contaminated with bacteria or another toxin. The painful symptoms usually subside on their own after few days, when the source of the poisoning has left your body. However, there are actions you can take in the meantime to make yourself more comfortable and to speed up your recovery. In severe cases, you may need to seek medical attention.


Part 1
Part 1 of 3:

Determining What Action to Take

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    Before treating the symptoms of food poisoning, it is important to figure out what caused it. Think back to the food you ate in the last 4 to 36 hours. Did you try something new? Did anything taste slightly off? Did you share food with a friend or family member who is also experiencing the same symptoms? Here are the most likely causes of food poisoning: [1]
    • Food that has been contaminated by E. coli, Salmonella, and other types of bacteria. Bacteria are usually killed when food is cooked and handled properly, so this type of food poisoning usually results from undercooked meat or food that was left sitting out without refrigeration.
    • Poisonous fish, such as pufferfish, are also a common source of food poisoning. Pufferfish should not be consumed unless it has been prepared by staff at a restaurant that is certified to do so.
    • Poisonous wild mushrooms, looking identical to edible mushrooms, can also cause food poisoning.
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    Food poisoning that was caused by bacteria, especially when it strikes an otherwise healthy person, is usually treatable at home. However, depending on the source of the food poisoning and the age of the person who has it, it may be necessary to seek medical help immediately. Call a doctor under the following circumstances:
    • If the food poisoning is due to poisonous fish or mushrooms.
    • If the patient is an infant or a young child.
    • If the patient is pregnant.
    • The person with food poisoning is over 65 years of age.
    • Frequent diarrhea or vomiting
    • The person with food poisoning is experiencing severe symptoms, such as trouble breathing, dizziness or fainting, or vomiting blood.
    • If you can’t keep fluids down and vomit out whatever you drink.
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Part 2
Part 2 of 3:

Relieving the Symptoms of Food Poisoning

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    The first and most important thing that needs to be done in any case of food poisoning is to increase fluid intake. It is easier for the toxins to get flushed out of your system if your water intake is good. Vomiting and diarrhea are the common symptoms of food poisoning and these lead to fluid loss, so it is important to drink water and other fluids to avoid dehydration. [2]
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    Food poisoning causes vomiting and diarrhea, which are natural bodily functions that work to dispel the poison from the body. Eating solid foods will cause more vomiting and diarrhea, so it's best to avoid eating until you are feeling better.
    • It should go without saying that you should avoid eating the food that caused the poisoning. If you aren't sure what caused it, forgo eating anything that hasn't been freshly prepared right before you consume it. Throw away any suspect food.
    • If you get tired of subsisting on broth and soup, eat plain foods that won't upset your stomach, like bananas, plain boiled white rice, or dry toast. Only start eating after the active vomiting stage of your food poisoning. [3]
    • Ginger ale and lemon or lime soda can also help with rehydration, and the carbonation helps to settle your stomach. [4]
    • Avoid having coffee, alcohol, and any other fluids that cause dehydration.
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    If you're losing a lot of nutrients through excess vomiting and diarrhea, buy an electrolyte solution from a pharmacy to replace them. Gatorade or Pedialyte will work fine, too. [5]
    • This method works best for adults, but not for small children.
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    You'll probably feel weak and tired after going through the symptoms of food poisoning. Sleep as much as you need to to help your body recover faster. [6]
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    Over-the-counter medications meant to prevent diarrhea and vomiting can actually slow your recovery by impeding the natural functions that eliminate the source of the food poisoning. [7]
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Part 3
Part 3 of 3:

Preventing Food Poisoning

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    Food poisoning is often caused by bacteria that get transferred to food by way of unwashed hands, dishes, cutting boards, utensils, or work surfaces. Take the following measures to prevent getting food poisoning this way: [8]
    • Wash your hands with warm, soapy water before preparing food.
    • Wash your dishes and utensils in warm, soapy water after they have been used.
    • Use a cleanser to wipe down your counters, tables, cutting boards, and other kitchen surfaces after preparing a meal, especially one that includes raw meat.
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    Make sure that raw food, such as packages of uncooked chicken or steak, is kept separate from food that doesn't need to be cooked, to prevent cross-contamination. All meat and dairy should be refrigerated as soon as you bring it home from the market. [9]
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    Cooking meat until it reaches an internal temperature that kills bacteria can prevent bacterial food poisoning. Make sure you know the temperature to which your meat should be cooked, and use a meat thermometer to check the temperature before you finish cooking it. [10]
    • Chicken and other poultry should be cooked to 165 F (73.9 C).
    • Ground beef should be cooked to 160 F (71.1 C).
    • Beef steaks and roasts should be cooked to 145 F (62.8 C).
    • Pork should be cooked to 160 F (71.1C).
    • Fish should be cooked to 145 F (62.8 C).
    • Avoid reheating meats multiple times since they could develop bacteria that cause food poisoning.
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    Foraging for wild mushrooms has become a trend in recent years, but unless you're looking for mushrooms under the guidance of an expert, eating freshly picked mushrooms should be avoided. Even scientists have trouble distinguishing some edible and poisonous mushroom species without the aid of biological tests.
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How Do You Recover From Food Poisoning?

Foods to Eat and Avoid with Food Poisoning

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  • Question
    How much fluid intake should a child have?
    Luba Lee, FNP-BC, MS
    Board-Certified Family Nurse Practitioner
    Luba Lee, FNP-BC is a Board-Certified Family Nurse Practitioner (FNP) and educator in Tennessee with over a decade of clinical experience. Luba has certifications in Pediatric Advanced Life Support (PALS), Emergency Medicine, Advanced Cardiac Life Support (ACLS), Team Building, and Critical Care Nursing. She received her Master of Science in Nursing (MSN) from the University of Tennessee in 2006.
    Luba Lee, FNP-BC, MS
    Board-Certified Family Nurse Practitioner
    Expert Answer
    Almost all children with vomiting and mild dehydration can be treated with oral rehydration therapy. Stick with clear liquids only (not milk). Oral rehydration should be slow in children over 5 years old. Start with 1 tablespoon (15ml) every 10 minutes; double the amount each hour if vomiting stops. If vomiting does not stop, allow the stomach to rest briefly and then start again. The key is to gradually increase the amount of fluid until they take 8 oz every hour, with a goal of taking enough fluid to require voiding normal amounts of urine every 3-4 hours throughout the day.
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  • Question
    What if the cramps and nausea are gone, but you still have diarrhea. How long should it last?
    Luba Lee, FNP-BC, MS
    Board-Certified Family Nurse Practitioner
    Luba Lee, FNP-BC is a Board-Certified Family Nurse Practitioner (FNP) and educator in Tennessee with over a decade of clinical experience. Luba has certifications in Pediatric Advanced Life Support (PALS), Emergency Medicine, Advanced Cardiac Life Support (ACLS), Team Building, and Critical Care Nursing. She received her Master of Science in Nursing (MSN) from the University of Tennessee in 2006.
    Luba Lee, FNP-BC, MS
    Board-Certified Family Nurse Practitioner
    Expert Answer
    Diarrhea is almost always a self-limiting condition, subsiding within a few days. Drink clear fluids and follow a BRAT (bananas, rice, applesauce, toast) diet as tolerated to allow your GI system a break. Avoid any anti-diarrheal agents as those will slow clearing out elements that caused your GI to be upset. Younger and older adults should take extra care to avoid dehydration as they recover.
    Thanks! We're glad this was helpful.
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    If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow
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      The advice in this section is based on the lived experiences of wikiHow readers like you. If you have a helpful tip you’d like to share on wikiHow, please submit it in the field below.
      • Bananas, apples, or yogurt can help you feel better after a bout of food poisoning, once you are at the point where you feel like you can try to eat something again.
      • Sip on water, don't chug it! It can cause you to throw up more. Just continually take small sips to gradually rehydrate yourself.
      • Freeze some soda water. Sucking on a soda ice cube will help rehydrate you as well as soothe your stomach.
      • Eating fresh mint leaves (some people like to sprinkle a bit of salt on them) will help alleviate nausea.
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      Warnings

      • Small children can dehydrate within a few hours if they have frequent vomiting or diarrhea.
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      References

      1. ↑ https://www.nhsinform.scot/illnesses-and-conditions/infections-and-poisoning/food-poisoning
      2. ↑ https://www.mayoclinic.com/health/food-poisoning/DS00981/DSECTION=lifestyle-and-home-remedies
      3. ↑ https://www.nhsinform.scot/illnesses-and-conditions/infections-and-poisoning/food-poisoning#causes-of-food-poisoning
      4. ↑ https://www.mayoclinic.com/health/food-poisoning/DS00981/DSECTION=lifestyle-and-home-remedies
      5. ↑ https://www.mayoclinic.org/diseases-conditions/food-poisoning/diagnosis-treatment/drc-20356236
      6. ↑ https://www.mayoclinic.com/health/food-poisoning/DS00981/DSECTION=lifestyle-and-home-remedies
      7. ↑ https://www.mayoclinic.com/health/food-poisoning/DS00981/DSECTION=lifestyle-and-home-remedies
      8. ↑ https://www.cdc.gov/food-safety/prevention/?CDC_AAref_Val=https://www.cdc.gov/foodsafety/keep-food-safe.html
      9. ↑ https://www.foodsafety.gov/keep-food-safe/4-steps-to-food-safety#chill
      1. ↑ https://www.foodsafety.gov/food-safety-charts/safe-minimum-cooking-temperature

      About This Article

      Article Summary X

      If you have food poisoning, try to drink at least 16 cups of water each day while the symptoms persist. This will help flush the toxins out of your system and will help prevent dehydration. Get as much rest as possible, and limit your food intake to broth, bananas, plain white rice, or dry toast. If you suspect the cause of the food poisoning was due to poisonous fish or mushrooms, or if the symptoms are severe, seek medical help immediately. Keep reading to learn how to prevent food poisoning in the future!

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