- Main symptoms
- What causes cholinergic urticaria
- How the treatment is done
- Home treatment for cholinergic urticaria
Cholinergic urticaria is a type of skin allergy that arises after an increase in body temperature, which can happen during periods of heat or physical activity, for example.
This type of hives is also known as heat allergy, and is characterized by the appearance of small, itchy red lumps in the affected areas, being very common on the back and neck. To treat this alteration it is necessary to decrease body temperature with a cold bath, for example, in addition to the use of anti-allergic medications or ointments, prescribed by the dermatologist or immunoallergologist.
Main symptoms
Cholinergic urticaria usually occurs in adolescents and adults, but can occur in people of all ages and is characterized by the appearance of small lumps, plaques or reddish spots on the body, which itch and can be isolated or come with:
- Swelling of the skin or lips, eyes or throat, also known as angioedema; Cough or shortness of breath; Stomach pain, nausea or diarrhea; Decreased blood pressure.
When these symptoms are identified, it is recommended to go to the emergency room due to the risk of difficulty breathing due to swelling of the throat and lungs.
To diagnose this type of allergy, the dermatologist must observe the characteristics of the reaction on the skin, but it may be necessary to perform a test with local heating, such as contact with hot water for a few minutes, for example, or observe the skin reaction. when the person performs a few minutes of physical activity.
In babies and in some predisposed people, there is also another type of reaction to heat, but it happens when the sweat caused by heat clogs and inflames the pores and causes a itchy and itchy skin reaction, known as rash. See how to identify and treat the rash.
What causes cholinergic urticaria
In cholinergic urticaria, the formation of lumps, plaques or reddish spots on the body is more common in situations that promote an increase in body temperature, such as intense physical exercise, hot baths, excessive heat, stress, consumption of hot and spicy foods and drinks and contact with hot substances, such as compresses, for example.
This type of allergy is part of the group of hives that are triggered by physical stimuli, such as heat, sun, cold, contact with products and sweat, and it is common for people to have more than one type. See how to identify other types of hives and how to treat them.
How the treatment is done
Cholinergic urticaria has no cure, but its symptoms can be relieved, and it is necessary to follow the dermatologist's guidelines, which generally include the use of some anti-allergic remedies, such as Hydroxyzine and Cetirizine, and ointments may be added to enhance the effect., such as Betamethasone.
In addition, it is essential to cool the body, with a cold bath or go to a ventilated place, for example. In some people, stress, consumption of alcoholic beverages or the use of other medications can also trigger or worsen crises, and should be avoided.
Reactions usually last from a few minutes to 24 hours, but in some people, they can be chronic and persist for longer. Thus, in people with very intense and repetitive urticaria, it may be necessary to carry out a longer treatment, with anti-allergic drugs or corticosteroids for longer, to stabilize immunity.
Home treatment for cholinergic urticaria
Natural treatment for cholinergic urticaria can be performed in cases of mild reactions or as a complement to treatment in more intense cases, and can be done with cold compresses of chamomile, pansy plant or flaxseed, twice a day. Check out recipes for home remedies to treat skin allergies.
