Treat the underlying cause of the high hematocrit
Stop smoking
Avoid dehydration
Reduce altitude exposure if possible
Review testosterone or anabolic steroid use with a clinician
Evaluate and treat sleep apnea
Manage chronic lung or heart disease
Treat iron deficiency only under medical guidance
Consider therapeutic phlebotomy if prescribed
Donate blood only if medically appropriate and allowed
Follow your clinician’s plan for polycythemia vera or other blood disorders
Get urgent medical care for symptoms such as chest pain, shortness of breath, severe headache, weakness, or vision changes