Microbiology• Updated 21 October 2026
Typhidot Test
A rapid blood test for antibodies to typhoid bacteria. It's less reliable than blood culture.
Results: Within an hour Specimen: Blood
Quick Summary
Primary Purpose
Sometimes used to support a typhoid diagnosis.
What It Measures
IgM and IgG antibodies to Salmonella Typhi.
Preparation
No preparation.
Overview
Rapid antibody tests can give false results.
Blood culture is preferred for diagnosis.
What It Measures
IgM and IgG
Antibodies.
How It's Performed
- 01
Blood sample
From a vein.
- 02
Rapid test
Cassette read.
- 03
Result
Interpreted with symptoms.
Interpreting Results & Next Steps
Discuss with Doctor
Your doctor will explain what your result means and what happens next.
If values are High:
Positive results support but don't confirm typhoid.
Sources and further reading
Last updated 21 October 2026. For more detail, see these trusted health organisations.
- Typhoid fever(opens in a new tab) · NHS
- Typhoid(opens in a new tab) · World Health Organization