Typhidot (Typhoid IgM)
Also called: Typhoid IgM, Typhidot-M
Modern typhoid test — more specific than Widal, positive from the first week of illness.
- Duration
- 5 min
- Report
- 24 hours
- Sample
- Blood
- Fasting
- Not needed
What this test is
Typhidot detects IgM antibodies that the body makes specifically against Salmonella typhi outer membrane proteins. It becomes positive earlier than Widal (from day 4–5 of fever) and has fewer false positives, making it the preferred typhoid screening test in most Indian labs today.
When you need this test
- Fever for more than 4 days suspected to be typhoid
- Fever with relative slow pulse and abdominal symptoms
- Differentiating typhoid from dengue or malaria
How to prepare
- No fasting required.
- Mention duration of fever and any antibiotics already started.
- Best done between day 4 and day 14 of fever.
Why DiagnoHouse for this test
NABL-accredited lab
Quality-audited blood, urine, and stool analysis.
Home collection
Free across Pimpri-Chinchwad. Sample picked up at your time slot.
Same-day reports
Most pathology reports ready within 4 hours of collection.
Calibrated equipment
Analysers calibrated daily; quality controls run with every batch.
Patients who took this also booked
- Pathology38% OFF
Widal Test
Older typhoid screening test — useful in second week of illness, less specific than Typhidot.
- Duration
- 5 min
- Report time
- 4 hr report
₹400₹250Book this scan - Pathology38% OFF
Complete Blood Count (CBC)
A standard blood test that checks red cells, white cells, platelets and 22 related markers.
- Duration
- 5 min
- Report time
- 4 hr report
₹400₹250Book this scan
FAQs
When does Typhidot become positive?
From day 4–5 of fever — earlier than Widal. IgM can stay positive for 2–3 months after recovery.Is one test enough?
Typhidot is more reliable in single sample than Widal. Blood culture remains the gold standard if the diagnosis must be confirmed.
Need help choosing?
Not sure if this is the right test for you? Have a doctor's note? Call or WhatsApp — guidance is free.
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