Widalinfection
Widal Test
A blood test that may support a diagnosis of typhoid fever.
What it measures
Antibodies against Salmonella typhi bacteria.
Why it is ordered
To help diagnose typhoid fever.
How to prepare
No special preparation needed.
What happens during the test
A blood sample is drawn from a vein.
Normal ranges
| Group | Normal range |
|---|---|
| Titre | reported as titre |
Ranges vary slightly between laboratories.
What abnormal results may mean
Rising antibody titres support typhoid; results must be read with symptoms and timing.
Related conditions: Typhoid fever
Related tests: Blood Culture, CBC
⚠️ Important: Abnormal results do not mean you have a disease. Always discuss your results with your doctor.