See a healthcare professional to confirm the cause of high red blood cells
Treat any underlying condition causing the increase
Stop smoking
Avoid dehydration and drink enough fluids
Reduce altitude exposure if possible
Use prescribed medications only as directed
Undergo therapeutic phlebotomy if recommended by a clinician
Manage sleep apnea if present
Control lung or heart disease if present
Avoid testosterone or anabolic steroids unless prescribed and monitored
Follow your clinician’s advice on aspirin or blood-thinning treatment if recommended