My Widal test results are: S. Typhi O: 1:160 S. Typhi H: 1:80 S. Typhi AH: below 1:20 S. Typhi BH: below 1:20 The blood test was done one week after the onset of fever. What do these results indicate, and do I need treatment?

Answered by 1 Apollo Doctors

Dr Vasanthasree Nair

General Practitioner

MBBS
15+ Yrs

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Widal titre of O 1:160 suggests possible recent typhoid. Confirm with Typhidot IgM or Blood Culture. Widal can give false positives. If fever persists, repeat CRP and ESR.

Dr. Vasanthasree Suggests...

Take a C-REACTIVE PROTEIN (CRP) - QUANTITATIVE Test or Take a TYPHIDOT IgG AND IgM Test

Book C-REACTIVE PROTEIN (CRP) - QUANTITATIVE Test Book TYPHIDOT IgG AND IgM Test

Answered 17/09/2025

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I have been feeling tired and having headaches all day, along with fever. My blood report shows S. Typhi (O) titer as 1:160.

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