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.

Does an Allergy Cause You to Be Short of Breath?

Published Aug,14 2017 | By Melissa McNamara

Shortness of breath is a common symptom of asthma, but in some cases, allergies can cause asthma-like symptoms. Allergic rhinitis, hay fever and the body’s response to exercise can all result in shortness of breath.