Español | Donate | Journals | Annual Meeting | Find an Allergist / Immunologist
Pollen Counts »
AAAAI Store »
Ask the Expert »
Latest Research »
When a particular condition causes the immune system to overreact, it is referred to as hypersensitivity reaction. An allergic reaction is one type of a hypersensitivity reaction.
Medical content developed and reviewed by the leading experts in allergy, asthma and immunology.
© 2014 American Academy of Allergy, Asthma & Immunology. All Rights Reserved. | Legal Notices | Site Map | Contact Us