Answer
A falling platelet count can be an early sign of immune-mediated heparin-induced thrombocytopenia, which may be accompanied by new thrombosis.
Sources for this answer
- Heparin Sodium 5,000 I.U./ml Solution for injection (without preservative) — Current selected SmPCemc · Summary of Product Characteristics
- Heparin Sodium 100 I.U./ml flushing solution for maintenance of patency of intravenous devices (Wockhardt UK Ltd) (PL 29831/0111) — Current selected SmPCemc · Summary of Product Characteristics
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