What Does High Platelet Count Mean?
High platelets (thrombocytosis) means increased clotting risk.
Common Causes
- Reactive: infection, inflammation, iron deficiency, surgery
- Essential thrombocythemia: bone marrow disorder (rare)
- Post-splenectomy
Symptoms
- Headaches
- Dizziness
- Chest pain
- Numbness/tingling
- Vision changes
Evaluation
- Check iron studies (ferritin often low)
- CRP/ESR for inflammation
- If persistent without cause, consider bone marrow evaluation
Source: NLM MedlinePlus, American Association for Clinical Chemistry.
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