A typhoid test is advised when you experience symptoms such as prolonged fever, abdominal pain, headache, weakness, or loss of appetite. Typhoid fever is caused by Salmonella typhi bacteria and needs timely diagnosis for effective treatment. Common tests for typhoid include the Widal test, TyphiDot test, and blood culture, which help detect the infection and confirm the presence of an... https://redcliffelabs.com/myhealth/lab-test/blood-test/which-test-is-done-for-typhoid/