Treat the underlying cause
Stay well hydrated
Stop smoking
Avoid high altitude exposure when possible
Review and adjust testosterone or anabolic steroid use with a clinician
Manage sleep apnea
Treat chronic lung or heart disease
Stop iron supplements unless prescribed
Consider therapeutic phlebotomy if prescribed
Donate blood if eligible and approved by a clinician
Follow your clinician’s plan for polycythemia vera or other blood disorders
Seek urgent medical care for symptoms such as chest pain, shortness of breath, severe headache, weakness, or vision changes