Conditions list medically reviewed by George Krucik, MD, MBA
A drug allergy is an allergic reaction to a medication. Find out how to know if you have one and what to do about it.
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.