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Salmonellosis Food Poisoning

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KEY POINTS

  • Salmonellosis is an infection caused by bacteria that usually enter the body through contaminated food.
  • Dehydration caused by diarrhea and vomiting can be very dangerous, especially for children. Your child needs to drink enough liquid to replace the fluids and minerals lost.
  • Treatment may include medicine or IV fluids until your child’s symptoms get better.

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What is salmonellosis?

Salmonellosis is an infection caused by bacteria called Salmonella. Because the bacteria usually enter the body through contaminated food, the infection is also called food poisoning.

Salmonella can go from the intestine into your child’s bloodstream and infect other organs. Sometimes they cause a chronic (long-term) infection.

Salmonellosis can be very serious for very young children, or children with a weakened immune system. The immune system is the body's defense against infections.

What is the cause?

The bacteria can live in the animal or human intestine. Animals can carry the bacteria without looking or acting sick. Contaminated food usually looks and smells normal.

Your child may get infected if:

  • Your child eats contaminated food, especially raw or undercooked meat, eggs, or poultry
  • Your child eats food that has been handled by someone who is infected
  • Your child eats or drinks dairy products that have not been pasteurized (heated to kill certain bacteria)
  • Your child has contact with an infected animal, including pets such as birds, turtles, or other reptiles
  • Your child swallows water from a well, lake, stream, or city water that has not been treated to kill germs

What are the symptoms?

Your child may start feeling sick 8 hours to 3 days after eating contaminated food. Symptoms may include:

  • Diarrhea, which may be bloody
  • Cramps or tenderness in your child’s belly
  • Fever and chills
  • Nausea and vomiting

If the infection spreads to your child’s blood, symptoms may include:

  • Fever that comes and goes over several days
  • Pain in the joints and chest
  • Headache
  • Sore throat
  • Cough
  • Rash

How is it diagnosed?

Your healthcare provider will ask about your child’s symptoms and medical history and examine your child. Your child may have tests such as:

  • Test of a sample of your child’s bowel movements
  • Blood tests

How is it treated?

The goal of treatment is to prevent dehydration (losing too much fluid from your child’s body). If your child has lost a lot of fluid, your child may need to stay at the hospital for fluids through an IV. Your child will also be checked for possible complications of dehydration, such as kidney problems.

If your child is undernourished, severely ill, very young, or has sickle cell disease, your child’s provider may prescribe antibiotic medicine.

Salmonella food poisoning usually lasts 3 to 5 days. Your child may still have bacteria in his or her system for a while after no longer having symptoms.

More serious salmonella infections, blood poisoning and typhoid fever, are treated with antibiotics. In some cases, your child may need to be treated at the hospital. It may take 2 weeks or longer to recover from blood poisoning or typhoid fever.

Follow your healthcare provider’s instructions. Make sure that your child takes all medicines exactly as prescribed. If your child stops taking the medicine too soon, the infection may come back. If your child has side effects from the medicine, talk to your child’s provider.

Here are some things you can do to help your child feel better:

  • Rest your child’s stomach and bowel but try giving your child water, ice chips, Popsicles, or half-strength lemon-lime soft drinks (half water, half soft drink). Avoid liquids that are acidic such as orange juice, or caffeinated such as coffee.
  • If your child has severe diarrhea, your child’s body can lose too much fluid and get dehydrated. Dehydration can be very dangerous, especially for children. Your child may also be losing minerals that the body needs to keep working normally. Your healthcare provider may recommend an oral rehydration solution (ORS), which is a drink that replaces fluids and minerals. You can buy these products at drug and grocery stores.
  • Your child may want to eat soft, plain foods. Good choices are soda crackers, toast, plain pasta, rice, cooked cereal, applesauce, and bananas. It’s best for your child to eat slowly and avoid foods that are hard to digest or may irritate the stomach including foods with acid such as tomatoes or oranges, spicy or fatty food, meats, and raw vegetables. Your child may be able to go back to a normal diet in a few days.
  • Don’t give your child aspirin, ibuprofen, or other nonsteroidal anti-inflammatory drugs (NSAIDs) without checking first with your healthcare provider. NSAIDs, such as ibuprofen, naproxen, and aspirin, may cause stomach bleeding and other problems. Check with your healthcare provider before you give any medicine that contains aspirin or salicylates to a child or teen. This includes medicines like baby aspirin, some cold medicines, and Pepto-Bismol. Children and teens who take aspirin are at risk for a serious illness called Reye’s syndrome.

Ask your child’s healthcare provider:

  • How and when you will get your child’s test results
  • How long it will take to recover
  • If there are activities your child should avoid, and when your child can return to normal activities
  • How to take care of your child at home
  • What symptoms or problems you should watch for and what to do if your child has them

Make sure you know when your child should come back for a checkup. Keep all appointments for provider visits or tests.

How can I help prevent salmonellosis?

Salmonella can be a serious health threat to you and the people around you. It cannot be treated with many of the antibiotics that are usually used to treat infections. Prevention is very important. These steps can help prevent food poisoning:

  • Make sure you cook all foods well, especially beef, chicken, turkey, pork, seafood, and eggs. Pork should be heated to an internal temperature of at least 160°F (71°C). For whole chickens and turkeys, a temperature of 180°F (82°C) is recommended for thigh meat and 170°F (77°C) for breast meat.
  • Wash your hands and clean any dishes or utensils before you prepare, cook, serve, or eat food. Keep kitchen counters and other food preparation surfaces clean. Replace used dishcloths and kitchen towels with clean ones often.
  • If you take care of young children, wash your hands often and dispose of diapers carefully so that bacteria can't spread to other surfaces or people.
  • Cover any sore or cut on your hands before preparing food. Use rubber gloves or cover the sore with a clean bandage.
  • Make sure the milk, cheese, and juice products your child eats and drinks have been pasteurized.
  • Rinse fresh vegetables and fruits before you cook them or before your child eats them.
  • Thaw frozen meats in the refrigerator or a microwave. Do not let meat stand at room temperature.
  • Keep juices from raw meat, poultry, and seafood away from other foods.
  • Refrigerate any food your child will not be eating right away.
  • Remind or help your child to wash his or her hands before eating, after going to the bathroom, or after touching animals.
  • When your child travels to places where contamination is more likely, your child should:
    • Eat only hot, freshly cooked food.
    • Don't eat from street vendors or raw vegetables or unpeeled fruit.
    • Drink only bottled (with intact seal) water and liquids.
    • Avoid tap water and ice, or drink water only after it has been boiled.
Developed by Change Healthcare.
Pediatric Advisor 2019.4 published by Change Healthcare.
Last modified: 2019-10-11
Last reviewed: 2019-03-07
This content is reviewed periodically and is subject to change as new health information becomes available. The information is intended to inform and educate and is not a replacement for medical evaluation, advice, diagnosis or treatment by a healthcare professional.
© 2018 Change Healthcare LLC and/or one of its subsidiaries
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