Typhoid fever its causes, signs, symptoms , stages, diagnosis, treatment, and prevention tips. Stay informed to protect yourself and your family from this serious infection. Typhoid fever is a serious infectious disease caused by the Salmonella Typhi bacteria. It spreads primarily through contaminated food and water or close contact with an infected person. Common symptoms include prolonged high fever , weakness, stomach pain, headache, and loss of appetite; in severe cases, it may lead to intestinal complications. Typhoid is most prevalent in regions with poor sanitation and limited access to clean water, especially in parts of Asia, Africa, and Latin America ... Typhoid fever and paratyphoid fever have similar symptoms . The most common symptom is a fever . People with symptoms should get medical help immediately. Typhoid fever is a life-threatening infection caused by the bacterium Salmonella Typhi. It is usually spread through contaminated food or water. Once Salmonella Typhi bacteria are ingested, they multiply and spread into the bloodstream.