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Your Health
Allergy and Immunology Awareness Program (AIAP)
Allergy
Immunodeficiency
Kid's Corner
Publications
News
Videos
Media
Contact us
Your Health
Allergy and Immunology Awareness Program (AIAP)
Allergy
Immunodeficiency
Kid's Corner
Publications
News
Videos
Media
Contact us
Urticaria and Angioedema
Classification
Causes
Treatment
Hereditary Angioedema
Classification
Your Health
Allergy and Immunology Awareness Program (AIAP)
Allergy
Urticaria and Angioedema
Classification
Urticaria is classified according to the length of time that the swelling and itchiness stays. Less than six weeks is called acute. More than six weeks is chronic. This makes a difference in the way doctors treat these conditions.