Treat the underlying cause with a clinician
Stop smoking
Stay well hydrated
Avoid dehydration from alcohol, heat, or heavy exercise
Review and adjust testosterone or anabolic steroid use with a clinician
Review and adjust diuretic use with a clinician
Treat sleep apnea if present
Manage chronic lung or heart disease
Limit high-altitude exposure if applicable
Consider therapeutic phlebotomy if prescribed
Donate blood only if medically appropriate and allowed
Follow up with repeat blood tests as advised
Seek urgent care for chest pain, shortness of breath, severe headache, weakness, or vision changes