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The bacteria group Salmonella causes salmonella food poisoning. These bacteria live in the intestines of humans and animals. Infection results when food that has been infected with animal feces is eaten.
Salmonella is an infection in the small intestine, also called salmonella enterocolitis or salmonellosis. It’s one of the most common types of food poisoning.
Around 19,000 people are hospitalized with salmonella food poisoning every year in the United States. It’s most common in people under 20 years old and is more likely to occur in the summer months because the Salmonella bacterium grows better in warm weather.
Eating food or drinking water or any liquid contaminated with Salmonella bacteria causes salmonella food poisoning. People are usually infected by eating raw foods or prepared foods that have been handled by others.
Salmonella is often spread when people don’t wash (or improperly wash) their hands after using the toilet or handling pets, especially reptiles and birds. Thorough cooking or pasteurization kills Salmonella bacteria. You’re at risk when you consume raw, undercooked, or unpasteurized items.
Salmonella food poisoning is commonly caused by:
A number of factors can increase your risk of salmonella infection, including:
The symptoms of salmonella food poisoning often come on quickly, usually within 8 to 72 hours after consuming contaminated food or water. Symptoms may be aggressive and can last for up to 48 hours.
Typical symptoms during this acute stage include:
Dehydration caused by diarrhea is a serious concern with salmonella, especially in children and infants. The very young can become severely dehydrated in just one day. This can lead to death.
To diagnose salmonella food poisoning, your doctor will do a physical examination. They may check if your abdomen is tender. They may look for a rash with small pink dots on your skin. These dots are accompanied by a high fever, and may indicate a serious form of salmonella infection called typhoid fever.
Your doctor may also do a blood test or stool culture. This is to look for actual evidence and samples of Salmonella bacteria in your body.
The main treatment for salmonella food poisoning is replacing fluids and electrolytes that you lose when you have diarrhea. Adults should drink water or suck on ice cubes. Your pediatrician may suggest rehydration drinks such as Pedialyte for children.
In addition, modify your diet to include only easily digestible foods. Bananas, rice, applesauce, and toast are good options. You should avoid dairy products and get plenty of rest. This allows your body to fight the infection.
If nausea prevents you from drinking liquids, you may need to see your doctor and receive IV fluids. Young children may also need IV fluids.
Typically, medication to stop your diarrhea isn’t recommended. It can prolong the infection. However, you may take over-the-counter pain relievers to help with body aches. In severe cases, your doctor may prescribe antibiotics.
To help prevent salmonella food poisoning:
People who have salmonella and work in the food service industry should not return to work until they haven’t had diarrhea for at least 48 hours.
For healthy people, symptoms should go away within two to seven days. However, the bacteria can stay in the body longer. This means that even if you aren’t experiencing symptoms, you can still infect other people with Salmonella bacteria.
Written by: Amber Erickson Gabbey
Published on: Jun 15, 2012
Medically reviewed on: May 08, 2017: Graham Rogers, MD
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