When Widal Test Is Done?

The Widal test is one method that may be used to help make a presumptive diagnosis of enteric fever, also known as typhoid fever.

When do we do Widal test?

What is a widal test used for? If you are having symptoms of high fever, fatigue, diarrhoea, constipation, abdominal pain, rashes known as rose spots, dry cough, and headache, there is a probability of typhoid fever. Doctors suggest Widal test in the diagnosis of typhoid fever.

What is tested in widal?

The Widal test measures the capacity of antibodies against LPS and flagella in the serum of individuals with suspected typhoid fever to agglutinate cells of S. Typhi; the test was introduced over a century ago and it is still widely used [20]. It is simple, inexpensive, and takes only a few minutes.