Hypoxia

Self-care

Don't smoke, and avoid secondhand smoke.

When to seek immediate medical care

See a doctor immediately if:

• Sudden and severe shortness of breath
• Rapid heartbeat
• Persistent cough and fluid retention

When to make a doctor's appointment

Make an appointment to see a doctor if:

• Shortness of breath at rest or after slight activity
• Shortness of breath that doesn't get better quickly after activity
• Shortness of breath or a sense of choking when waking up