A small number of people who are treated may feel better after treatment, but will continue to carry the organism and pass it through their feces to others through contaminated food or water. The following are the most common symptoms of salmonella.
However, each person may experience symptoms differently. Symptoms develop 12 to 72 hours after infection and may include:. The symptoms of salmonella infections may look like other conditions or medical problems. Always talk with your healthcare provider for a diagnosis. Since many different illnesses have symptoms similar to salmonella, diagnosis depends on lab tests that identify salmonella in your stool.
These infections generally run their course in 4 to 7 days. Often no treatment is needed. However, if you have severe diarrhea, you may need rehydration with intravenous IV fluids. If the infection spreads from the intestines to the blood stream, prompt treatment with antibiotics will be necessary. Most people recover completely from a salmonella infection. This causes joint pain, eye irritation, and painful urination. Since foods of animal origin pose the greatest threat of salmonella contamination, do not eat raw or undercooked eggs, poultry, seafood, or meats.
Remember that some sauces and desserts use raw eggs in their preparation, so be cautious of these, particularly in foreign countries. Also, follow these recommendations by the CDC:.
If your symptoms get worse or you get new symptoms, let your healthcare provider know. If your diarrhea continues more than a few days or gets worse, you may get dehydrated and need IV fluids. Health Home Conditions and Diseases. What causes salmonella infections? Who is at risk for salmonella infections?
Certain factors can increase your risk for getting salmonella. These factors include: Eating raw or undercooked eggs, poultry, and beef, or unwashed fresh fruits and vegetables, including raw alfalfa sprouts Handling animals or pets, such as turtles, snakes, and lizards What are the symptoms of salmonella infections? Most salmonella infections can be classified as stomach flu gastroenteritis.
Possible signs and symptoms include:. Signs and symptoms of salmonella infection generally last two to seven days. Diarrhea may last up to 10 days, although it may take several months before bowels return to normal. A few varieties of salmonella bacteria result in typhoid fever, a sometimes deadly disease that is more common in developing countries. Salmonella bacteria live in the intestines of people, animals and birds. Most people are infected with salmonella by eating foods that have been contaminated by feces.
Commonly infected foods include:. The Food and Drug Administration also indicates that some salmonella outbreaks have been traced to contaminants in spices. The agency is seeking ways to increase the safety of spices. Many foods become contaminated when prepared by people who don't wash their hands thoroughly after using the toilet or changing a diaper.
Infection also can occur if you touch something that is contaminated, including pets, especially birds and reptiles, and then put your fingers in your mouth. Factors that may increase your risk of salmonella infection include activities that may bring you into closer contact with salmonella bacteria and health problems that may weaken your resistance to infection in general. Your body has many natural defenses against salmonella infection. For example, strong stomach acid can kill many types of salmonella bacteria.
But some medical problems or medications can short-circuit these natural defenses. Examples include:. The following medical problems or medications appear to increase your risk of contracting salmonella by impairing your immune system.
Salmonella infection usually isn't life-threatening. However, in certain people — especially infants and young children, older adults, transplant recipients, pregnant women, and people with weakened immune systems — the development of complications can be dangerous. If you can't drink enough to replace the fluid you're losing from persistent diarrhea, you may become dehydrated. The species we hear most about is Salmonella enterica , which is estimated by the World Health Organization WHO to affect over 17 million people worldwide each year.
Salmonella Typhimurium and Salmonella Typhi are two of over 2, types of Salmonella enterica. Salmonella Typhimurium and Salmonella Typhi are closely related. However, there are distinct differences in the type and severity of infectious disease they both cause.
This difference in infections is the result of differences in their genetic makeup. Salmonella growing on XLD agar. Related Content:. Build a Bug. What are Staphylococcal infections? What are Streptococcal infections? What is tuberculosis? What are infectious diseases?
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