Take slow, deep breaths
Sit upright and maintain good posture
Move to fresh air or an open area
Open windows and improve ventilation
Use supplemental oxygen only if prescribed
Treat underlying lung or heart conditions
Stop smoking and avoid secondhand smoke
Stay hydrated
Exercise regularly as tolerated
Use a humidifier if air is dry
Avoid high altitudes if oxygen is low
Seek urgent medical care for severe shortness of breath, chest pain, confusion, or blue lips