Dengue Platelet Count: When to Test Daily and When to Worry

In dengue season, the number families watch most closely is the platelet count. Understanding the pattern removes a lot of unnecessary panic — and highlights the moments that genuinely matter.

The Testing Timeline

• Day 1–5 of fever — NS1 antigen is the most reliable early test, along with CBC
• After day 5 — IgM and IgG antibodies become useful
• Throughout — CBC with platelet count and haematocrit, often daily

How Platelets Behave

A normal count is roughly 1.5–4.5 lakh/µL. In dengue, counts typically start falling around day 3–4, reach their lowest point around day 5–7, and recover over the following few days — usually without any transfusion.

Doctors watch the trend and the haematocrit, not a single number. A rising haematocrit with falling platelets signals plasma leakage and matters more than the platelet figure alone.

Warning Signs That Need Immediate Hospital Care

• Bleeding gums, nosebleeds, blood in vomit or stool
• Severe abdominal pain or persistent vomiting
• Cold, clammy skin, restlessness or drowsiness
• Reduced urine output
• Sudden drop in temperature with worsening weakness

Home Care Basics

Paracetamol only — never ibuprofen, aspirin or other NSAIDs, which raise bleeding risk. Maintain oral fluids, ORS, coconut water and light meals. Rest fully; fatigue can persist for weeks after recovery.

Daily Monitoring Without Daily Travel

Aarvak Diagnostics offers daily home sample collection for CBC across Gurugram, with digital reports the same day so your doctor can track the trend. See also our monsoon fever panel. Testing follows NABL protocols; certification application submitted.

Book daily platelet monitoring or call +91 92663 33711.