Dermographism is an exaggerated flare response occurring on the skin due to scratching. It is a common form of physical or chronic inducible urticaria. Dermographism is otherwise known as demographic urticaria. This condition is caused due to inappropriate release of histamine in the absence of an immune signal. Typically, dermographia resolves on its own, and antihistamines can be used in severe cases.
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Why do I get weird line-shaped rashes after scratching?
Query: Hi doctor, Since last week, I have been feeling itchiness around my body, especially arms, feet, abdomen, and back. At first, it started every night, but it starts to feel itchy in the afternoon too. Now, the itch kind of calmed down, but every time I scratched, my skin tends to form weird raised li... Read Full »
Answer: Hi, Welcome to icliniq.com. I saw your clinical picture (attachment removed to protect patient identity), it is called dermographism. Usually, it is seen in 4 to 5 % of the normal population. Dermographism is a form of physical urticaria. Scratching, rubbing, or any kind of physical pressure can c... Read Full »
Is the dermographism that I developed similar to hives?
Query: Hi doctor, I went to a dermatologist last week, and she told me that I have dermographism. It started last month. How long does it take to go away? I have little bumps in my stomach such as hives, just like a pimple. I have a doubt, can hives pop like a little simple bump or only occur in clusters? ... Read Full »
Answer: Hello, Welcome to icliniq.com. I have read about your query. Your condition can be acute urticaria/ hives. It usually presents with itching. Dermographism (dermatographism) is an exaggerated urticarial response which is also called skin writing. It is usually seen in young adults with a fair complex... Read Full »
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