Dermatographia (skin writing) is a skin condition where the irritation of skin develops into a prominent reaction that disappears within 30 minutes. It is also called as dermographism or demographic urticaria. A light scratch on the skin may develop into a wheal resembling hives in people affected with dermatographia.
This condition is caused by infections, emotional stress and medications. The skin hives develop in the areas where the skin has been rubbed, scratched or irritated. In some cases, dermatographia may worsen causing deep wounds and allergy-like reactions. It is a self-limiting condition, but in some cases over-the-counter allergy medications are required.
The following are the signs and symptoms of dermatographia:
The exact cause of dermatographia is unknown. However, the following are believed to be some of the causes of dermatographia:
The following are the risk factors of dermatographia.
Dermatographia is generally a harmless skin condition. In many of the cases, the symptoms may resolve by themselves.
Skin test: The doctor may test the skin for any adverse reactions by simply dragging a portion of the skin with a tongue depressor. The doctor may measure the skin's response to pressure using a dermagraphometer.
Dermatographia is a self-limiting condition and does not require treatment in many cases. However, over-the-counter allergy medications are used to relieve signs and symptoms.
Loratadine, fexofenadine, diphenhydramine and cetirizine are some of the preferred antihistamines.
Phototherapy is also known as light therapy. In severe cases, the doctor may treat the patient with radiation therapy specially designed for skin disorders. The affected part of the skin is exposed to some amount of radiation to reduce or prevent the growth of skin cells. Thus, it helps in treating the inflammation on the skin.
The following are the alternative treatment methods used to relieve symptoms of dermatographia.
Dermatographia can be prevented by following measures:
Who are usually affected by acne? Most people with acne are aged between 12 and 25 but some older and younger people are affected. Boys are more commonly affected than girls.
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