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Children's Health

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Diarrhea in Children: Causes and Treatments

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Why do children get diarrhea more often than adults? How can you treat your child's discomfort? WebMD tells you about the causes of diarrhea and home treatments for it.

Diarrhea in Children: Common Causes and Treatments

Diarrhea is the body's way of ridding itself of germs, and most episodes last a few days to a week. Diarrhea often occurs with fever, nausea, vomiting, cramps, and dehydration. Some of the most common reasons kids get diarrhea include:

  • Infection from viruses like rotavirus, bacteria like salmonella and, rarely, parasites like giardia. Viruses are the most common cause of a child's diarrhea. Along with loose or watery stools, symptoms of a viral gastroenteritis infection often include vomiting, stomachache, headache, and fever.

When treating viral gastroenteritis -- which can last 5-14 days -- it's important to prevent fluid loss. Offer additional breast milk or an oral rehydration solution (ORS) to infants and young children. Water alone doesn't have enough sodium, potassium, and other nutrients to safely rehydrate very young children. Be sure to talk to your doctor about the amount of fluids your child needs, how to make sure he or she gets them, and when to give them.

Older children with diarrhea can drink anything they like to stay hydrated, including ORS and brand-name products (their names usually end in "lyte"). Popsicles can also be a good way to get fluids into a child who's been vomiting and needs to rehydrate slowly.

Be sure to consult with a doctor if you have travelled outside of the country recently; your child may need to have his or her stool tested.

Medications like laxatives or antibiotics can also lead to diarrhea in children as well as adults.

For mild diarrhea caused by medication, keep your child safely hydrated. If a course of antibiotics is causing your child's diarrhea, be sure to continue the medication and call your doctor. Your doctor may recommend reducing the dose, changing your diet, adding a probiotic or switching to a different antibiotic.

Studies show that yogurt with live cultures or probiotics can help ease diarrhea caused by antibiotics. Cultures and probiotics help replenish healthy gut bacteria killed by antibiotics.

  • Food poisoning can also cause diarrhea in kids. Symptoms usually come on quickly, may include vomiting, and tend to go away within 24 hours.

Treatment for food poisoning-related diarrhea is the same as for the diarrhea caused by infection: Keep your child hydrated and call your doctor with any questions.

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