Shortness of Breath: Causes, Chest Pain & Health Risks

What causes shortness of breath when walking, biking, or lying down? From low blood oxygen levels to vitamin insufficiencies, identifying the triggers for respiratory distress in teens and the elderly is essential.

Young woman sitting on the pavement with shopping bags

What Causes Shortness of Breath and Fatigued Muscles?

Published Aug,14 2017 | By Judy Bruen

Shortness of breath and fatigued, or tired muscles may be symptoms of a health condition. If your symptoms persist, cause you concern or interfere with your activities of daily living, contact your doctor for a medical evaluation.