Normal platelet counts run roughly 150,000,450,000 per microlitre. Dengue season makes this number famous, here is when it actually matters. ## The honest answer Platelets clot blood. Below ~50,000 bleeding risk rises; below ~20,000 spontaneous bleeding becomes possible, those are the thresholds doctors act on, not the exact number. Dengue often drops platelets temporarily; transfusion is reserved for real bleeding risk, not for the number alone. Recovery counts rebound within days. ## If this is your moment Blood cannot wait for curiosity to settle, patients wait in hours, not weeks. If you are healthy and between 18 and 65, register as a donor (two minutes, phone OTP) and let the system call you only when someone near you actually needs your group. Related: blood for dengue patients · platelets explained
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Platelet count: normal range and what low means
Normal platelet counts run roughly 150,000,450,000 per microlitre. Dengue season makes this number famous, here is when it actually matters.
People also ask
What is a normal platelet count?
Roughly 150,000,450,000 per microlitre of blood (labs vary slightly).
At what platelet count is transfusion needed?
Doctors consider it around 20,000 or with active bleeding, the decision is clinical, not just numeric.
How fast do platelets recover after dengue?
Commonly within days of the fever settling; your doctor tracks it.
About this article
Written by Assam Blood Donor team. Medical review: pending, content follows published national (NBTC/NACO) guidance and is for general education, not personal medical advice. Last updated 11 Sept 2026.
Sources: NBTC donor selection criteria · standard donation-centre practice
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