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The underlying cause of dermatographism is not known, and it can last for many years without relief. The condition may subside and be effectively cured; however, it is often a lifelong ailment. [dubious – discuss] It is not a life-threatening disease, and it is not contagious. [citation needed]
Dermatographism is the most common form of a subset of chronic hives, acknowledged as "physical hives". [ citation needed ] It stands in contrast to the linear reddening that does not itch seen in healthy people who are scratched.
The cause of physical urticaria is unknown but it has been suggested to be an autoimmune disease, suggesting that antibodies, which are produced by the immune system to protect humans from foreign microbes, are binding to body tissue and damaging it. [8] In some cases physical urticaria can be a symptom of an underlying health issue such as: [9 ...
Dermatographia isn't harmful, but it can be a sign of underlying hypersensitivity, which may make you more likely to develop a stress rash, Hu explains. How to prevent a stress rash:
What causes skin cancer? Exposure to ultraviolet rays is the leading cause of skin cancer in the U.S.. The skin is the body’s largest organ, so naturally, ...
The triple response is caused by firm stroking of the skin with a pointed object. [5] but some time at caused by capillary vasodilation.[citation needed] The triple response of Lewis is particularly sensitive in people with dermatographia urticaria.
Men (and women) can go bald for several different reasons. Genetics are a major cause, while stress, diet, lifestyle choices, certain medications and age can also cause people to experience hair loss.
Stroking the skin leads to a localised subcutaneous anaphylactoid reaction with mast cell degranulation and urticarial rash. Darier's sign is a change observed after stroking lesions on the skin of a person with systemic mastocytosis or urticaria pigmentosa.