Which skin disease is caused by the itch mite?

Scabies is a skin condition specifically caused by an infestation of the scabies mite, also known as Sarcoptes scabiei. This tiny parasite burrows into the upper layer of the skin, leading to intense itching and a rash. The hallmark symptoms include the presence of small red bumps or blisters, often accompanied by a secondary infection from scratching.

Understanding the nature of scabies is essential; the infection is highly contagious and typically spreads through prolonged skin-to-skin contact, making it a significant concern in environments where close contact occurs, such as households, schools, and nursing homes.

The other skin diseases mentioned in the question are caused by different agents. Impetigo, for instance, is a bacterial skin infection typically caused by Staphylococcus or Streptococcus bacteria, while pediculosis refers to an infestation of lice, and tinea capitis is a fungal infection of the scalp. These distinctions are crucial in the classification and treatment of skin conditions.