Stay well hydrated
Avoid smoking
Treat underlying causes such as sleep apnea, lung disease, or heart disease
Reduce altitude exposure if possible
Review medications with a clinician
Donate blood only if approved by a healthcare professional
Manage dehydration, vomiting, or diarrhea promptly
Get regular medical follow-up and repeat blood tests
Seek urgent care for symptoms like chest pain, shortness of breath, severe headache, or vision changes