Even though they have no symptoms, the germs live in their bodies and they unknowingly contaminate food and water supplies. Cause The bacterium Salmonella typhi causes typhoid fever . When contaminated food or liquids are ingested, the bacteria enter the lymph system through the intestines. Multiplying, typhoid bacteria then cause the fever and other symptoms. Incidence Typhoid is rare in the United States.
Outbreaks occur in developing countries where sanitation is poor.
Symptoms your physician may observe Your doctor will need blood , urine, and stool samples to diagnose typhoid. Treatment options Antibiotics are effective against the typhoid bacteria and given early enough can prevent the disease from entering advanced stages. Intravenous feeding may be necessary if the disease has progressed to the point at which stomach bleeding and burst intestines might be caused by ingesting food. Stages and progress The disease usually develops slowly, though in children especially it can be sudden. Complications such as intestinal bleeding, pneumonia , and kidney, bladder, or spinal infections are possible and increase the risk of fatality.