Solar urticaria: effective ways of treatment
Hello, dear readers. With the arrival of summer everyone wants to spend more time under the warm sun. However, not all people is allowed.
Approximately 3% of the world population suffers from solar urticaria and therefore the solar rays are deadly. What is this disease and how to treat it correctly? Let’s take a closer look at this problem.
As the disease manifests itself?
Solar urticaria or photodermatosis differently represents an allergic condition where an allergen by solar rays.
After 15 minutes spent in the sun on the skin of the patient begin to appear blisters and red spots.
All this looks like a nettle burn. Sometimes the rash occurs a few days later and people can not understand whence it arose.
Usually these rashes are accompanied with itching and burning sensation and also apply to areas not exposed to radiation. Look at the photo on the left: here is the skin with solar urticaria.
If you go into the shadows, the symptoms subside a little, but when re-entering the open space resumes with new strength. Moreover, they can be accompanied by vomiting, nausea and fainting.
If the sunlight is short, it will appear on the skin a slight redness.
The longer time you spend under the UV light, the more these spots. The same applies to the Solarium (there are also ultraviolet rays).
Why is solar urticaria?
This disease is pseudoallergic urticaria, as in the blood of patients not detected by the antibodies characteristic to allergic reactions.
Doctors believe that histamine is released due to the impact of the photosensitizers – substances in the tissues of the skin. Because of the increasing amounts of histamine and an Allergy.
The doctors have two options for the development of the disease. They have different causes but similar clinical picture: solar urticaria non-allergic and allergic nature.
There are cases of spontaneous cure of the disease. Unfortunately, doctors causes of and get rid of the disease is still really not clear.
As fotosensibilizatora on the skin there may be some components of deodorants and creams that are applied to the surface of the dermis.
Internal photosensitizers are activated due to toxic substances formed in the human body in some diseases of the kidneys, liver, thyroid.
Also, the disease can cause some drugs like oral contraceptives, tetracycline antibiotics, sulfonamides, and even the decoction of Hypericum.
Experts have learned to determine what kind of impact has influenced the formation of urticaria.
If spots on the skin have a clear outline, then the cause of the disease became cosmetics. At symmetrical spots on exposed skin allergic to the sun, most likely originated after the medication or due to disease of the internal organs.
It is proved that women suffer from photodermatosis 4 times more often than men. A special risk group are people with light skin.
Children also manifested solar urticaria, especially if the family already there were cases of this disease, i.e. it can be inherited.
In addition, people living in Northern regions are also more prone to rashes due to the sun.
How to treat a photodermatosis?
In fact, there are special rules of prevention that will avoid the manifestations of the disease.
- Try to spend less time in the sun. In summer, go for a walk until 11 or after 16 hours. Wear clothes of light shades. She also needs to close the skin. This also applies to persons: wear wide-brimmed hats and sunglasses.
- Before going out mates creams, or lotions that have a high degree of protection from ultraviolet radiation.
- Try to withdraw at least temporarily from creams and decorative cosmetics.
- Follow a plant-based diet. Consume more vegetables, fruits, dairy products, meat and fish.
- Be careful how much water you drank per day (at least 2 liters).
- Remember, if you are allergic to sunlight is contraindicated for you in the Solarium.
How to treat spots on the skin in the form of chronic solar urticaria?
To get rid of the disease should consult a dermatologist. He will prescribe you a set of medicines which need to be taken for a certain period of time. Then do a short break, after which the rate again.
To get rid of burning and itching in mild hives will help anti-inflammatory creams and gels. To reduce the pain can drugs ibuprofen and aspirin.
You can also try to get rid of spots folk remedies. Perfectly relieve itching decoctions of calendula, chamomile, succession.
Try brewed black tea. They need to treat affected areas of the skin every half hour until complete disappearance of symptoms of urticaria. Usually the symptoms pass within days after the elimination of the allergen (solar radiation).
There are cases of acute solar urticaria. Usually they occur because of severe overheating or combustion on the beach.
In this situation the treatment will be based on the administration of corticosteroid drugs, cell membrane stabilizers, antihistamines and ointments, anti-inflammatory and antimicrobial action.
Therapy is 5-10 days. If after this course the patient does not improve, he was prescribed a course of reception of vitamins and fotosensibiliziruyuschimi drugs (delagil, plaquenil).
Lately, it’s been done for the treatment of photodermatosis by the method of extracorporeal photochemotherapy and plasmapheresis.
Still more common and has been popular treatments such as PUVA therapy and phototherapy.
Some doctors suggest to combine intake of antihistamines, PUVA therapy with metered-dose sun exposure and constant use of sunscreens.
So as you can see, photodermatosis is rare and poorly known. It can disappear for a while, does not prove itself, and then resume with renewed vigor.
Treatment of solar urticaria is similar to the treatment of other types of allergic diseases. To avoid the rash should adhere to the preventive measures at the first symptoms, consult a doctor. Be healthy!
Author: Anna Derbeneva (dermatologist)