Conditions list medically reviewed by George Krucik, MD, MBA
Anaphylaxis can occur when you have a severe reaction to certain allergens. Learn what the symptoms are and what to do if this happens.
A pulmonary embolism is a blood clot that occurs in the lungs. It can damage part of the lung and other organs and decrease oxygen levels in the blood.
This feature is for informational purposes only and should not be used to diagnose. Please consult a healthcare professional if you have health concerns.