Dermatographic urticaria: Difference between revisions
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{{Infobox medical condition | |||
| name = Dermatographic urticaria | |||
| image = [[File:Welt_on_wrist.jpg|left|thumb|Example of dermatographic urticaria on the wrist]] | |||
| caption = Example of dermatographic urticaria on the wrist | |||
| synonyms = Dermographism, dermatographism, skin writing | |||
| pronunciation = | |||
| specialty = [[Dermatology]] | |||
| symptoms = Raised, red lines on skin after pressure | |||
| onset = Any age, commonly in young adults | |||
| duration = Varies, can be chronic | |||
| causes = Unknown, possibly [[immune system]] response | |||
| risks = [[Stress]], [[infection]], [[allergy]] | |||
| diagnosis = Clinical examination, "skin writing" test | |||
| differential = [[Urticaria]], [[allergic reaction]], [[contact dermatitis]] | |||
| treatment = [[Antihistamines]], avoiding triggers | |||
| medication = [[Cetirizine]], [[Loratadine]], [[Fexofenadine]] | |||
| frequency = Common, affects 2-5% of the population | |||
}} | |||
[[File:Dermatographic_urticaria.jpg|Dermatographic urticaria|thumb|left]] | |||
'''Dermatographic urticaria''' (also known as '''dermographism''', '''dermatographia''', or '''skin writing''') is a [[skin]] condition characterized by the appearance of weals or welts on the skin as a response to scratching or firm stroking of the skin. It is the most common form of [[physical urticaria]]. | '''Dermatographic urticaria''' (also known as '''dermographism''', '''dermatographia''', or '''skin writing''') is a [[skin]] condition characterized by the appearance of weals or welts on the skin as a response to scratching or firm stroking of the skin. It is the most common form of [[physical urticaria]]. | ||
== Symptoms == | == Symptoms == | ||
The main symptom of dermatographic urticaria is the rapid onset of raised red skin welts. These welts can appear anywhere on the body and can be triggered by a light scratch or pressure. They usually disappear within 30 minutes. Other symptoms can include [[itching]], a burning sensation, and rarely, [[angioedema]]. | The main symptom of dermatographic urticaria is the rapid onset of raised red skin welts. These welts can appear anywhere on the body and can be triggered by a light scratch or pressure. They usually disappear within 30 minutes. Other symptoms can include [[itching]], a burning sensation, and rarely, [[angioedema]]. | ||
== Causes == | == Causes == | ||
The exact cause of dermatographic urticaria is unknown. It is thought to be caused by an overactive immune response to a stimulus such as pressure or scratching. Some people may have a genetic predisposition to the condition. Certain factors can exacerbate symptoms, including stress, hot baths, alcohol, exercise, and certain medications. | The exact cause of dermatographic urticaria is unknown. It is thought to be caused by an overactive immune response to a stimulus such as pressure or scratching. Some people may have a genetic predisposition to the condition. Certain factors can exacerbate symptoms, including stress, hot baths, alcohol, exercise, and certain medications. | ||
== Diagnosis == | == Diagnosis == | ||
Diagnosis of dermatographic urticaria is usually based on the characteristic appearance of the welts. A doctor may also perform a skin writing test, where they lightly scratch the skin with a blunt object and observe the reaction. | Diagnosis of dermatographic urticaria is usually based on the characteristic appearance of the welts. A doctor may also perform a skin writing test, where they lightly scratch the skin with a blunt object and observe the reaction. | ||
== Treatment == | == Treatment == | ||
Treatment for dermatographic urticaria primarily involves avoiding triggers and managing symptoms. This can include avoiding scratching, wearing loose clothing, and using over-the-counter antihistamines. In severe cases, a doctor may prescribe stronger antihistamines or other medications. | Treatment for dermatographic urticaria primarily involves avoiding triggers and managing symptoms. This can include avoiding scratching, wearing loose clothing, and using over-the-counter antihistamines. In severe cases, a doctor may prescribe stronger antihistamines or other medications. | ||
== See also == | == See also == | ||
* [[Urticaria]] | * [[Urticaria]] | ||
* [[Angioedema]] | * [[Angioedema]] | ||
* [[Skin conditions]] | * [[Skin conditions]] | ||
* [[Allergies]] | * [[Allergies]] | ||
== References == | == References == | ||
<references /> | <references /> | ||
{{stub}} | {{stub}} | ||
[[Category:Skin conditions]] | [[Category:Skin conditions]] | ||
[[Category:Urticaria and angioedema]] | [[Category:Urticaria and angioedema]] | ||
[[Category:Allergies]] | [[Category:Allergies]] | ||
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| Dermatographic urticaria | |
|---|---|
 | |
| Synonyms | Dermographism, dermatographism, skin writing |
| Pronounce | N/A |
| Specialty | Dermatology |
| Symptoms | Raised, red lines on skin after pressure |
| Complications | N/A |
| Onset | Any age, commonly in young adults |
| Duration | Varies, can be chronic |
| Types | N/A |
| Causes | Unknown, possibly immune system response |
| Risks | Stress, infection, allergy |
| Diagnosis | Clinical examination, "skin writing" test |
| Differential diagnosis | Urticaria, allergic reaction, contact dermatitis |
| Prevention | N/A |
| Treatment | Antihistamines, avoiding triggers |
| Medication | Cetirizine, Loratadine, Fexofenadine |
| Prognosis | N/A |
| Frequency | Common, affects 2-5% of the population |
| Deaths | N/A |
Dermatographic urticaria (also known as dermographism, dermatographia, or skin writing) is a skin condition characterized by the appearance of weals or welts on the skin as a response to scratching or firm stroking of the skin. It is the most common form of physical urticaria.
Symptoms[edit]
The main symptom of dermatographic urticaria is the rapid onset of raised red skin welts. These welts can appear anywhere on the body and can be triggered by a light scratch or pressure. They usually disappear within 30 minutes. Other symptoms can include itching, a burning sensation, and rarely, angioedema.
Causes[edit]
The exact cause of dermatographic urticaria is unknown. It is thought to be caused by an overactive immune response to a stimulus such as pressure or scratching. Some people may have a genetic predisposition to the condition. Certain factors can exacerbate symptoms, including stress, hot baths, alcohol, exercise, and certain medications.
Diagnosis[edit]
Diagnosis of dermatographic urticaria is usually based on the characteristic appearance of the welts. A doctor may also perform a skin writing test, where they lightly scratch the skin with a blunt object and observe the reaction.
Treatment[edit]
Treatment for dermatographic urticaria primarily involves avoiding triggers and managing symptoms. This can include avoiding scratching, wearing loose clothing, and using over-the-counter antihistamines. In severe cases, a doctor may prescribe stronger antihistamines or other medications.
See also[edit]
References[edit]
<references />
