How does salmonella typhimurium cause food poisoning

Here are some other ways to protect your family from Salmonella infections: Cook food thoroughly. Salmonella bacteria are most commonly found in animal products and can be killed by the heat of cooking. Don't serve raw or undercooked eggs, poultry, or meat. Microwaving is not a reliable way to kill the bacteria.

If you're pregnant , be especially careful to avoid undercooked foods. Handle eggs carefully. Because Salmonella bacteria can contaminate even intact and disinfected grade A eggs, cook them well and avoid serving poached or sunny-side up eggs with runny yolks.

Avoid foods that might contain raw ingredients. Caesar salad dressing, the Italian dessert tiramisu, homemade ice cream, chocolate mousse, eggnog, cookie dough, and frostings can contain raw eggs. Unpasteurized milk and juices also can be contaminated with Salmonella. Clean cooking surfaces regularly. Keep uncooked meats away from cooked and ready-to-eat foods.

Thoroughly wash your hands, cutting boards, counters, and knives after handling uncooked foods. Take care with pets. Avoid contact with the feces of family pets — especially reptiles. Salmon in Most types of Salmonella cause an illness called salmonellosis, which is the focus of this website. Some other types of Salmonella cause typhoid fever or paratyphoid fever. Symptoms usually begin six hours to six days after infection and last four to seven days.

However, some people do not develop symptoms for several weeks after infection and others experience symptoms for several weeks. Salmonella strains sometimes cause infection in urine, blood, bones, joints, or the nervous system spinal fluid and brain , and can cause severe disease. Although more than 2, serotypes have been described, fewer than are known to cause human infections. Most people recover from Salmonella infection within four to seven days without antibiotics.

People who are sick with a Salmonella infection should drink extra fluids as long as diarrhea lasts. Some people with Salmonella infection develop pain in their joints, called reactive arthritis, after the infection has ended. Reactive arthritis can last for months or years and can be difficult to treat. Some people with reactive arthritis develop irritation of the eyes and pain when urinating.

Salmonella live in the intestines of people and animals. People can get Salmonella infection from a variety of sources, including. People often develop Salmonella infection after coming into contact with pet reptiles or contaminated water or food.

It is crucial to ensure that all foods are stored and cooked properly. Symptoms of the infection usually go away without treatment. However, if a person has a high risk of complications or if symptoms persist, the person should receive medical care.

Diarrhea is a common digestive problem. It can be highly uncomfortable, but many people can treat it at home using simple home remedies. Learn about…. A limited diet can help a person reduce the symptoms of diarrhea. Diarrhea usually lasts up to 3 days.

During this time, it is best to consume bland…. Eating contaminated food can lead to diarrhea, nausea, vomiting, and abdominal pain. It can also cause inflammation and develop into stomach flu. Typhoid is a bacterial infection that can be fatal if not treated quickly with antibiotics. The bacterium that causes it lives in the bloodstream and…. Many foods can cause food poisoning, including meat, raw fish, eggs, and produce.

Learn more about the causes and how to prevent food poisoning in…. All you need to know about salmonella. Medically reviewed by Jill Seladi-Schulman, Ph. What is salmonella? Share on Pinterest Washing raw fruits and vegetables before eating them may help prevent a Salmonella infection.

Risk factors. When to see a doctor. Warning signs include:. If salmonella infection enters your bloodstream bacteremia , it can infect tissues throughout your body, including:. People who have had salmonella are at higher risk of developing reactive arthritis.

Also known as Reiter's syndrome, reactive arthritis typically causes:. The Department of Agriculture has created a Salmonella Action Plan, which involves updating the poultry slaughter inspection system and enhancing sampling and testing programs for poultry and meat. The plan's purpose is to cut the number of salmonella infections in the United States. You can also take care to avoid spreading bacteria to others.

Preventive methods are especially important when preparing food or providing care for infants, older adults and people with weakened immune systems. Be sure to cook food thoroughly and refrigerate or freeze food promptly. Washing your hands thoroughly can help prevent the transfer of salmonella bacteria to your mouth or to any food you're preparing.

Wash your hands after you:. Cookie dough, homemade ice cream and eggnog all contain raw eggs. If you must consume raw eggs, make sure they've been pasteurized. Mayo Clinic does not endorse companies or products. Advertising revenue supports our not-for-profit mission. This content does not have an English version.