A member asked:

What is the main reason of skin allergy?

6 doctors weighed in across 2 answers
Dr. John Chiu answered

Contact: Many itchy skin problem are caused by a contact allergy to agent but then there are many other causes which cannot be distinguished from a contact allergy which is usually detected by doing a patch test read at 48-72 hrs after the application. Atopic dermatitis is a totally different condition with an impaired skin barrier being the primary defect.

Answered 9/29/2016

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Dr. Theodore Davantzis answered

Specializes in Dentistry

Allergen: An allergy regardless of its location (internally or externally) is caused by an allergen... Something that causes the allergic response.

Answered 10/5/2013

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