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Allergy

Question
Posted by: Patricia | 2020/02/05

Q.

Problematic itchy skin

Hi doctor, I have been having problematic and highly itchy skin for about 9 years now but my doctor tells me its not an allergy. My skin usually itches and when i scratch i have scratch marks wherever I have scratched but disappear after a few minutes, if any small scratch I get swollen in that same area with disappearance in a few minutes. I can actually write my name on my skin with my nail, please advise.

Expert's Reply

A.

Allergy expert
- 2020/02/06

Your doctor is correct. You are describing a condition called Dermographism which is a form of Physical Urticaria, and this isn't caused by an allergy. You have an overabundance of skin Mast cells that release histamine easily when you rub or apply pressure to the skin. The condition may be chronic and you have to try and not rub the skin and take an antihistamine such as Cetirizine to control it.

The information provided does not constitute a diagnosis of your condition. You should consult a medical practitioner or other appropriate health care professional for a physical exmanication, diagnosis and formal advice. Health24 and the expert accept no responsibility or liability for any damage or personal harm you may suffer resulting from making use of this content.

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