Is it dangerous to raise red blood cells above the allowable limit?

Hello doctor! I'm female, 31 years old this year, currently living in Japan. In the last 2 years, I went to the company's periodic health check-up, all of which showed a high red blood cell count (in here, I see the allowable limit is from 360 to 489 but my result is 604). In addition, I often have headaches and sometimes have difficulty breathing.
Ask your doctor to advise you: "Is it dangerous to raise red blood cells beyond the allowable limit?" . Thank you sincerely!
Anonymous customer questions
Hello! Polycythemia vera is the result of the body producing too many blood cells (especially red blood cells), when the red blood cells increase, the viscosity of the blood increases, causing the blood to flow more slowly than usual, creating favorable conditions for blood clotting. blood clot formation. In addition, slow blood flow also reduces the body's ability to supply oxygen. It can cause symptoms of shortness of breath, headache, weakness in limbs,... Therefore, to ensure your health, you should go to a hospital with a specialist in Hematology for a comprehensive examination and consultation. more thoroughly.
Through the doctor's history, you can understand: "Is it dangerous to raise red blood cells beyond the allowable limit?". If you still have doubts about your medical condition, you can go to a hospital of Vinmec Health System for intensive examination and treatment.
Thank you for trusting and sending questions to Vinmec. Wishing you lots of health. Best regards!
Answered by Master, Doctor Le Thi Minh Huong - Emergency Medicine Doctor - Resuscitation Department - Emergency - Vinmec Nha Trang International General Hospital

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