Scabies is contagious parasitic disease of man characterized by nocturnal itching, scratching, the formation of itching moves on the skin.
Pathogen is itch mite. Infection occurs from an infected person by direct contact or through items that were in his hand (clothing, bedding, etc.). The incubation period is about 1-2 weeks. Clinical manifestations are due to the introduction of a fertilized female mite in the stratum corneum of the epidermis, where it digs tunnels itch, which lays eggs. After 2 weeks, passing through several stages of development, mature forms of the parasite appears from the egg, which are being implemented after fertilization in the new parts of the skin.
Clinical picture
The main symptom of scabies is a common nocturnal itching caused by the activity of ticks in this time of day. In addition to scratching, there are small pathognomonic for the disease “scabies moves” in the form of small grayish, slightly elevated, straight or curved strips with a bubble at the end with the female of itch-mite inside. His favorite are localization of areas with a thin tender skin (interdigital folds hands, axillary cavity, radiocarpal folds, abdomen, penis, inner thighs, breasts). Not strike the skin of the face and scalp.
Scabies is often complicated by pyoderma (furuncles, ecthyma, impetigo).
Diagnosis is based on typical symptoms, identifying itch moves, finding scabies mites in laboratory research.