Heat urticaria: Difference between revisions
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{{Infobox medical condition | |||
| name = Heat urticaria | |||
| synonyms = [[Cholinergic urticaria]], [[Heat-induced urticaria]] | |||
| field = [[Dermatology]] | |||
| symptoms = [[Hives]], [[itching]], [[redness]] | |||
| onset = [[Adolescence]] or [[early adulthood]] | |||
| duration = [[Chronic]] | |||
| causes = [[Heat]], [[exercise]], [[emotional stress]] | |||
| risks = [[Family history]], [[atopy]] | |||
| diagnosis = [[Clinical diagnosis]], [[provocation test]] | |||
| differential = [[Solar urticaria]], [[Cold urticaria]], [[Aquagenic urticaria]] | |||
| treatment = [[Antihistamines]], [[cooling measures]], [[avoidance of triggers]] | |||
| frequency = Rare | |||
}} | |||
'''Heat urticaria''' is a rare form of [[chronic urticaria]] where hives or large, red welts form on the skin after exposure to a heat stimulus. The welts are usually itchy and often the hands and feet will become itchy and swollen as well. | '''Heat urticaria''' is a rare form of [[chronic urticaria]] where hives or large, red welts form on the skin after exposure to a heat stimulus. The welts are usually itchy and often the hands and feet will become itchy and swollen as well. | ||
== Symptoms == | == Symptoms == | ||
The main symptom of '''heat urticaria''' is the presence of red, itchy welts on the skin following exposure to heat. These welts can vary in size and may appear anywhere on the body. Other symptoms may include: | The main symptom of '''heat urticaria''' is the presence of red, itchy welts on the skin following exposure to heat. These welts can vary in size and may appear anywhere on the body. Other symptoms may include: | ||
* Swelling of the hands and feet | * Swelling of the hands and feet | ||
* Headache | * Headache | ||
| Line 11: | Line 23: | ||
* Diarrhea | * Diarrhea | ||
* Difficulty breathing | * Difficulty breathing | ||
== Causes == | == Causes == | ||
The exact cause of '''heat urticaria''' is unknown, but it is thought to be an [[autoimmune disorder]]. This means that the body's immune system mistakenly attacks its own tissues, in this case, the skin when it is exposed to heat. | The exact cause of '''heat urticaria''' is unknown, but it is thought to be an [[autoimmune disorder]]. This means that the body's immune system mistakenly attacks its own tissues, in this case, the skin when it is exposed to heat. | ||
== Diagnosis == | == Diagnosis == | ||
Diagnosis of '''heat urticaria''' is based on the patient's symptoms and medical history. A doctor may also perform a physical examination and order tests to rule out other conditions that can cause similar symptoms. | Diagnosis of '''heat urticaria''' is based on the patient's symptoms and medical history. A doctor may also perform a physical examination and order tests to rule out other conditions that can cause similar symptoms. | ||
== Treatment == | == Treatment == | ||
Treatment for '''heat urticaria''' typically involves avoiding heat and taking antihistamines to help control the symptoms. In severe cases, a doctor may prescribe corticosteroids or other medications to suppress the immune system. | Treatment for '''heat urticaria''' typically involves avoiding heat and taking antihistamines to help control the symptoms. In severe cases, a doctor may prescribe corticosteroids or other medications to suppress the immune system. | ||
== See also == | == See also == | ||
* [[Urticaria]] | * [[Urticaria]] | ||
* [[Chronic urticaria]] | * [[Chronic urticaria]] | ||
* [[Autoimmune disorder]] | * [[Autoimmune disorder]] | ||
== References == | == References == | ||
<references /> | <references /> | ||
[[Category:Skin conditions]] | [[Category:Skin conditions]] | ||
[[Category:Autoimmune diseases]] | [[Category:Autoimmune diseases]] | ||
[[Category:Urticaria and angioedema]] | [[Category:Urticaria and angioedema]] | ||
{{stub}} | {{stub}} | ||
Latest revision as of 04:12, 4 April 2025
| Heat urticaria | |
|---|---|
| Synonyms | Cholinergic urticaria, Heat-induced urticaria |
| Pronounce | N/A |
| Specialty | N/A |
| Symptoms | Hives, itching, redness |
| Complications | N/A |
| Onset | Adolescence or early adulthood |
| Duration | Chronic |
| Types | N/A |
| Causes | Heat, exercise, emotional stress |
| Risks | Family history, atopy |
| Diagnosis | Clinical diagnosis, provocation test |
| Differential diagnosis | Solar urticaria, Cold urticaria, Aquagenic urticaria |
| Prevention | N/A |
| Treatment | Antihistamines, cooling measures, avoidance of triggers |
| Medication | N/A |
| Prognosis | N/A |
| Frequency | Rare |
| Deaths | N/A |
Heat urticaria is a rare form of chronic urticaria where hives or large, red welts form on the skin after exposure to a heat stimulus. The welts are usually itchy and often the hands and feet will become itchy and swollen as well.
Symptoms[edit]
The main symptom of heat urticaria is the presence of red, itchy welts on the skin following exposure to heat. These welts can vary in size and may appear anywhere on the body. Other symptoms may include:
- Swelling of the hands and feet
- Headache
- Nausea
- Vomiting
- Diarrhea
- Difficulty breathing
Causes[edit]
The exact cause of heat urticaria is unknown, but it is thought to be an autoimmune disorder. This means that the body's immune system mistakenly attacks its own tissues, in this case, the skin when it is exposed to heat.
Diagnosis[edit]
Diagnosis of heat urticaria is based on the patient's symptoms and medical history. A doctor may also perform a physical examination and order tests to rule out other conditions that can cause similar symptoms.
Treatment[edit]
Treatment for heat urticaria typically involves avoiding heat and taking antihistamines to help control the symptoms. In severe cases, a doctor may prescribe corticosteroids or other medications to suppress the immune system.
See also[edit]
References[edit]
<references />
