Classification of skin diseases
Classification of Skin diseases
Skin diseases may either be due to a pathological organism (infections and infestations) or non-infective (without the involvement of a pathogen) Those skin diseases which are due to a disease causing organism like bacteria, fungus or a virus are a infective diseases of the skin and those which are caused by an arthropod (small or primitive insects with joined legs) are termed infestations of the skin.
The examples of bacterial skin infections are cellulitis, erysipelas, impetigo, furuncles, folliculitis etc. The examples of fungal infections are Candidiasis, dermatomycosis etc. and the viral skin diseases include chicken pox, monkeypox, smallpox, warts etc. Certain skin diseases are not due to any pathogens and non infective in nature. The example of such skin disease are Psoriasis, hemangioma etc.
Dermatozoonoses is a skin disease which is caused mainly by the animal parasite. The important parasite which cause skin disease in humans are lice, fleas, bed begs, mosquitoes, mites, etc. These parasites spread through person to person contact, or by sharing the object of personal use belonging to the infested person, particularly clothes, bed linen etc. Improper washing of cloths, linen etc which were used by the affected person facilitate the spread of these diseases. The most common Dermatozoonoses among humans are Scabies and pediculosis.

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