How to rehydrate after food poisoning

Written by maria fernanda cartaya
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How to rehydrate after food poisoning
Recover from food poisoning by rehydrating. (sick woman image by forca from

Most food poisoning cases cause similar symptoms: abdominal pain, headache, diarrhoea, vomiting, weakness and fever. However, in most cases the primary symptom of food poisoning to care for is dehydration. Symptoms of dehydration include excessive thirst, little or no urination, severe weakness and a dry mouth. To treat dehydration and food poisoning, it is important to recognise your symptoms and find the best approach to treat them. Here are some ways of rehydrating and recovering from food poisoning.

Skill level:
Moderately Easy

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Things you need

  • Liquids
  • Sports drinks
  • Electrolytes
  • Prescribed medication
  • Doctor contact information

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  1. 1

    Avoid solid foods until the diarrhoea has passed.

  2. 2

    Drink decaffeinated fluids. Stay away from dairy products until you recover from lactose intolerance. Consider sports drinks for faster rehydration.

  3. 3

    If necessary, consume electrolytes, or minerals such as sodium, potassium and calcium, that balance the fluids in your body. Children, especially, usually require electrolytes.

  4. 4

    Purchase over-the-counter drugs to alleviate symptoms such as abdominal pain and headaches. Never stop medications, such as diuretics, before consulting your doctor.

  5. 5

    Seek medical attention for possible intravenous treatment if you're unable to consume fluids because of nausea or vomiting. Intravenous delivery allows your body to receive fluids much more quickly than by mouth.

Tips and warnings

  • Recovery usually occurs within 12 through 48 hours, although they sometimes take longer. Contact your health care provider if the symptoms persist.
  • If you contract bacterial food poisoning, you might require antibiotics. However, most cases of food poisoning do not require antibiotics. Contact your doctor if diarrhoea or vomiting lasts longer than two days, if you vomit blood, if there's blood in your stool, if you have a fever exceeding 101.5F, or if you have severe abdominal pains.

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