Allergy is on the sun.

 As on the summer  or sunny warm days to dermatologist are visiting  many patients suffering from sun, yes, yes, not wonder, as with positive effect of vitamin D getting a sun gives and harmful effect.And with sun burns we are understood all, but a sun allergy as urticaria or photodermatitis is bog begin need to declassify .

Sun allergy is inflammatory reaction of skin on affecting ultraviolet rays, as pathologic condition developing in a not all peoples and stipulated is not just by intensity of sun rays, just by individual not enduring of organism.

 Sun dermatitis having in patients, having on a last any allergy reactions as contact dermatitis allergy, polynosis, allergy rhinitis or genetical predispositions to diseases, also on displaying disease affecting and other factors.As external exogenous , and inside endogenic  .On first cases are items by home chemistry , as make up, cosmetic, external remedies using, juice, pollen of meadow herbs as juice of hogweed. Entering on the skin,  he is rising sensitiveness to the sunlight or entering in chemical reaction with ultraviolet.Provoking allergy reaction  on the second case are accumulating in organism as in destroying having as obesity, sugar diabetes, autoimmune diseases. And high sensitive to sun rays affecting on a long affecting a sun as on a sun activity from 11.00 to 16.00, weak protect from a sun rays, as not using cream, opening clothes, using remedies, are  increasing affecting of sun rays, These are antibiotics by tetracycline raws, sulfanilamides, diuretics, NSAID, anti inflammations. And photodermatitis begin having after not a long staying under sun rays as in solarium, under manicure lamp, and on the parts of bodies, which affecting sun rays are hands, face, shoulders, neck, back side of palms, décolleté zone. On an other case are firsts signs of diseases displaying in 8-12bhours, and in tie with it a photodermatitis confuses with an allergy. But affecting of sun rays having redness and edemas on skin parts,like a burn of first level, with itching, burning ,after adding rashes, elements, like in urticaria, with bladders, edema, as spreading rashes on a parts of a SKIN covers, not contacting with sun rays. A sun dermatitis displaying with conjunctivitis, cheilitis and on the hard cases  with headaches, dizziness, nausea, rising body temperature, sense lost. A symptoms' expression depending from immunity, rashes keeping to 2-3 weeks, after removing, and individual peculiarities for dermatitis is stable sun erythema, where skin rashes and red skin having for a few years or months. If symptoms are keeping after photosensitised factor and increasing after affecting of sun rays. If not add cure, and not remove provoked factors,as staying on sun, yiu can receive a chronic dermatitis stage with increasing skin drawing, infiltration, skin dryness, elasticity lowering, spots pigments and vessel stars. So as sun dermatitis is a same, like with other skin pathologies, a time importance use timely diagnosis.And,  for productive cure and leading  positive dynamic is very importance avoiding a provoking factor. Defining photosensitizing   substance is doing in putting application tests with photoallergens, and apply allergens on two raws, after on researching skin part apply bandage. In a day one raw affecting for ultraviolet radiation, second keeping control.On a hard or dubious cases doing biopsy.