Fotodermatit: what to do with an allergy to the sun?

Content


Allergy to the sun or fotodermatit
Perhaps summer is given to us to enjoy
sunny days, to get out into nature, to enjoy its colors,
travel and, of course, to bask in the rays of the sun caressing.
Some people use their summer holidays to visit the southern
countries, swim in the sea, lie on the beach and get a tan. But at home, and
visit us lie in wait for another danger - the sun allergy. Why she
there? What are the symptoms? And what if your skin after exposure to
Suddenly the sun was covered with red spots and mercilessly scratched?


what
such fotodermatit?

Allergy to the sun has little to do with this allergy.
The disease is caused by increased sensitivity of the skin to sunlight, but
as such, an allergen, that is foreign substance directly
causing development of true allergic reactions there. Exactly
therefore, the processes occurring in the skin when fotodermatit, call
pseudoallergic.

And yet, there are some general points have a true allergy and
photodermatitis. The substances that trigger the appearance of skin rash after
sunbathing, do exist, however, they do not come from the outside, as in
true allergy, and formed in the skin itself under the influence of ultraviolet and
become an irritant to the human immune system.


Cosmetics can cause allergies to the sun

Depending on the mechanism of occurrence divided photodermatitis
to exogenous and endogenous.

When exogenous fotodermatit as starting torque
act substances found on the skin surface. Coupled with UV
radiation they cause the formation in the skin allergens, and the appearance of symptoms
disease.

As can act as an "agent provocateur":

  • sunscreens, especially if their structure
    include para-aminobenzoic acid;
  • cosmetics and perfumery;
  • essential oils such as bergamot oil,
    St. John's wort, rose, sandalwood;
  • juice of dill and parsley;
  • boric and salicylic acid, phenol, mercury
    drugs;
  • polyunsaturated fatty acids in plant
    oils.

Putting makeup on the sea should be taken carefully to
selection means and to eliminate those that may provoke allergic to the sun.

Another example is exogenous photodermatitis
meadow allergy. Its cause is furokumariny in the pollen of flowers and meadow
herbs, settling on human skin.


When photodermatitis reasons lie within

Endogenous photodermatitis developed under the joint action
sunlight and substances that accumulate in the human skin.

Their cause may be:

  • chronic liver disease;
  • metabolic diseases and hereditary
    Acquired character;
  • disease of the adrenal glands and kidneys.

Ill photodermatitis more chances for young children,
when the inner skin protection mechanisms have not yet been formed, as well as people with
light skin.

Increased sensitivity to sunlight causes
Many drugs: Tetracycline, Doxycycline, Amiodoron, Trazikor, Ibuprofen,
Aspirin, oral contraceptives, cytotoxic drugs, and even some
antiallergic agents.

The likelihood of developing an allergy to the sun rises sharply
After cosmetic procedures, such as cleaning, peeling, mesotherapy, contour
plastics and tattoo.


How not to be confused with an allergy to the sun sunburn?

Allergy to the sun or fotodermatit
The most common manifestations occur with the first photodermatitis
spring rays and they are aggravated after sunbathing during
the summer.

Typically, from the time of exposure to sunlight until the
allergy symptoms extends from a few hours to two days. eruptions
precedes itchy skin, it may occur already during the acceptance of solar
bath. Then, about a day later, on exposed areas
skin rash appears. Most often it takes the form of urticaria, ie the small
bumps, merging into blisters, less bubbles are formed, which after opening,
remain on the skin erosion, healing after 2-5 days with the formation of crusts and
leaving behind a stable pigmentation. If we consider the fact that the whole picture
photodermatitis unfolds against the backdrop of general redness, mistaken for an allergy
quite simply in the sun with ordinary sunburn. Treatment of these same
different states, so if in doubt, it is better to consult a dermatologist.

There is a chronic allergy to the sun, in its
adrift resembling eczema, accompanied by severe itching. This kind
sun intolerance is more common in middle-aged and older men.


Doctor,
and it is forever?

Treatment of allergy to the sun means an exception
UV exposure. In the case of solar urticaria antihistamines help
funds, there are special preparations, sealing the skin and reduce its
sensitivity to sunlight. Treatment in this case
It is to gradually accustom the skin to the sun while taking the drug.

To remove the aggravation photodermatitis appoint local
treatment in the form of ointments, sometimes hormonal, and internal treatment vitamins
B, E, C, niacin, and a nonsteroidal anti-inflammatory
antihistamines. Generally, treatment continues for several
days or weeks. At this time, it is recommended to appear less frequently in the sun, wear
wide-brimmed hat, clothes with sleeves and sunglasses.

If you do not treat an allergy to the sun, the repetition of its episodes
lead to the development photodermatosis. When it failed to stop the attack
allergies, carefully taking care of protecting the skin, eliminating the triggers
and clearly observing sunbathing mode, it is possible to bask under the
gentle rays. Allergy to the sun can be controlled and prevented children
and all can develop this disease.

Leave a reply