Typhoid Test: Normal Range and Interpretation
Typhoid fever is a serious illness caused by the Salmonella typhi bacteria. It spreads through contaminated food or water and can lead to high fever, weakness, and stomach pain. To confirm typhoid, doctors use different tests such as the Widal test, Typhidot, and blood culture.
Why Typhoid Testing Is Important
Typhoid symptoms are similar to other infections like dengue or malaria. A proper test helps in early treatment, avoids complications, and prevents spreading to others.
Types of Typhoid Tests
- Widal Test – Checks for antibodies in the blood.
- Typhidot Test – Detects IgM and IgG antibodies for quick results.
- Blood Culture – Confirms the infection by finding the bacteria directly.
Normal Ranges
- Widal Test:
- TO antigen < 1:80 = Normal
- TH antigen < 1:160 = Normal
- Typhidot Test:
- IgM Negative = No current infection
- IgG Positive = Past infection or vaccination
Interpreting the Report
- High titres in Widal test may suggest active infection.
- Positive IgM means recent infection.
- Positive blood culture confirms typhoid.
- Always match test results with symptoms and consult a doctor.
What to Do After a Positive Result
Start antibiotics, stay hydrated, and rest. Avoid self-medication and re-test if needed.
Final Tip
Knowing how to read your typhoid report helps you take the right action. If you’re unsure about your results, book an online doctor consultation or a lab test through Medicas.
Ref: https://www.blogs.medicasapp.com/typhoid-test-interpretation/
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