8 doctors weighed in:
What is the difference between dermographism and hives?
8 doctors weighed in

Dr. Michael Kelber
Family Medicine
4 doctors agree
In brief: Both signs of allerg
Dermatographism is the welting up of skin when it is stroked with a dull object such as a fingernail.
The welt will be exactly the same pattern as what is "drawn" on the skin. Hives are spontaneous welts, usually circular that occur when someone is exposed (usually by eating) something they are allergic to. They are both seen in allergic people.

In brief: Both signs of allerg
Dermatographism is the welting up of skin when it is stroked with a dull object such as a fingernail.
The welt will be exactly the same pattern as what is "drawn" on the skin. Hives are spontaneous welts, usually circular that occur when someone is exposed (usually by eating) something they are allergic to. They are both seen in allergic people.
Dr. Michael Kelber
Dr. Michael Kelber
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Dr. Lee Perry
Internal Medicine - Allergy & Immunology
3 doctors agree
In brief: Similar
Dermographism is a form of physical urticaria (hives) caused by a physical stimulus (scratching).
"hives" in general can be caused by other triggers in addition to physical stimuli--other triggers for hives include infection, drug allergy, food allergy, autoimmunity, idiopathic, etc.

In brief: Similar
Dermographism is a form of physical urticaria (hives) caused by a physical stimulus (scratching).
"hives" in general can be caused by other triggers in addition to physical stimuli--other triggers for hives include infection, drug allergy, food allergy, autoimmunity, idiopathic, etc.
Dr. Lee Perry
Dr. Lee Perry
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