Do Allergies Cause Swollen Throat?

When you have allergies, your body releases chemicals (called histamines) and they fight the allergen in the same manner as when you battle a cold bug. You can develop swollen nasal passages, runny nose, sneezing, cough and a sore throat.

Can seasonal allergies cause throat swelling?

Severe allergy symptoms are more extreme. Swelling caused by the allergic reaction can spread to the throat and lungs, leading to allergic asthma or a serious condition known as anaphylaxis.

How do you know if your throat is swelling from an allergic reaction?

In some people, a food allergy can trigger a severe allergic reaction called anaphylaxis. This can cause life-threatening signs and symptoms, including: Constriction and tightening of the airways. A swollen throat or the sensation of a lump in your throat that makes it difficult to breathe.