Most people probably would not connect seasonal allergies with their hearts. Itchy, watery eyes and stuffy noses, sure—but ...

Certain plants and pollutants are common allergic asthma triggers. Learn which outdoor allergens trigger asthma symptoms and ...

Only two cases of chronic hiccups tied to eosinophilic esophagitis have previously been reported, the man's doctors say.

Allergy tests can be costly without insurance ... and tightness in your chest. These happen when your immune system overreacts to an allergen, which is something you're allergic to.