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Phytodermatitis

Phytodermatitis — the inflammatory changes of skin arising at impact on it of the chemicals which are contained in plants. Phytodermatitis develops on the place of contact of skin with a plant and can be shown by reddening, eritematozny spots, bubbles, blisters, sites of a necrosis. Inflammatory changes of skin usually are followed by burning, an itch or morbidity. In diagnosis of phytodermatitis of rather simple dermatological survey of rashes and identifications during the poll of the patient of their connection with influence of plants. Treatment of phytodermatitis is carried out by local application of the shaken-up suspensions, lotions and glucocorticoid ointments, the anti-inflammatory and desensibilizing medicines.

Phytodermatitis

Developing of phytodermatitis can be caused by impact on skin of the juice of plants emitted by leaves and stalks and also poisonous pollen. Treat plants most of which often cause phytodermatitis: lyutikovy, cow-parsnip, white yasenets, primrose, euphorbia, nettle, skumpiya, sedge, etc. Damages of skin are noted after rest on meadow herbs, walking among a high grass or barefoot. They can have mass character, for example, during a haymaking. In dermatology cases of emergence of phytodermatitis in workers of the furniture production connected with some types of mahogany are known.

Reasons of development of phytodermatitis

The substances which are contained in plants can render the irritating, toxic, sensibilizing and photosensitizing impact on skin of the person. The irritating and toxic influence leads to development of simple contact dermatitis which manifestations arise at the first contact with a plant.

The people inclined to allergic diseases, such as bronchial asthma, atopic dermatitis, , allergic rhinitis, are more subject to developing of the phytodermatitis caused by an organism sensitization at numerous impact on skin of the substances emitted by plants. In such cases the disease develops as allergic contact dermatitis.

Some substances of plants are photosensitizers. Their hit on skin increases its sensitivity to the ultra-violet radiation therefore even short stay in the sun leads to development of solar dermatitis.

Phytodermatitis symptoms

Phytodermatitis can be shown by the limited site of diffusion reddening of skin, separate eritematozny spots, emergence of blisters, small bubbles (vesicles) and bubbles of the big size (bulls). Quite often damages of skin remind the burn caused by chemical influence. Less often phytodermatitis meets necrotic damage of skin of which formation of erosion and ulcers is characteristic.

At phytodermatitis the sites of skin which were directly coming into contact with a plant or the substances emitted to them are exposed to inflammatory changes. Most often it is brushes, a foot, knees, is more rare — hips, a face and a stomach. Sites of rashes can have linear character, the asymmetric and bizzare form. Usually they bring to the patient the expressed discomfort in the form of burning, morbidity or an itch.

Being resolved, elements of phytodermatitis can leave behind passing or rather persistent hyperpegmentation. More profound necrotic changes of skin affecting not only epidermis, and and to a term, lead to formation of hems.

At absorption of vegetable allergens through skin, especially at its damage, at inhalation of dust of the dried-up plants or pollen of flowers to symptoms of phytodermatitis can allergic conjunctivitis and rhinitis, a bronkhospastichesky syndrome, allergic bronchitis, a toksikodermiya will join. Heavy allergic reactions are in some cases possible: Stephens-Johnson's syndrome, Layel's syndrome, anaphylactic shock.

Diagnosis of phytodermatitis

The typical clinical picture of phytodermatitis and its its connection with influence of plants in most cases allow the dermatologist to make the diagnosis at the first survey of rashes. Performing Dermoscopy, statement of skin allergic tests with various vegetable allergens is in addition possible, at infection of rashes — a bacteriological research their separated.

It is necessary to differentiate phytodermatitis from a toksikodermiya, a small tortoiseshell, dermatitis of other genesis, a pochesukha.

Treatment of phytodermatitis

Main issue in therapy of phytodermatitis is elimination of the factor which caused it — plants and flowers to which the patient contacted. In case of a photosensitization it is necessary to avoid impact on the affected skin of UV rays both natural, and artificial (for example, in a sunbed) an origin.

Treatment of phytodermatitis is carried out generally locally. Resolvents in the form of powders, lotions and the shaken-up suspensions, ointments with corticosteroids are applied. If phytodermatitis has the allergic nature, reception of antihistaminic medicines is necessary (a hifenadina, a mebgidrolina, a loratadina, a dezloratadina). The expressed subjective symptomatology is the indication to sedative therapy.

Phytodermatitis - treatment should be carried out only under the supervision of a doctor. Self-treatment is unacceptable!!!

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