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Trombiculosis is a rash caused by trombiculid mites, especially those of the genus Trombicula (chiggers). The rash is also often known as chigger bites.. Chiggers are commonly found on the tip of blades of grasses to catch a host, so keeping grass short, and removing brush and wood debris where potential mite hosts may live, can limit their impact on an area.
It is not contagious and currently there is no cure for the disease, although the lesions can be treated with phototherapy as well as antibiotics, including erythromycin, azithromycin and tetracycline. [5] Treatment often involves multiple therapies that address the immune system and bacterial, viral, or dermatological causes. [citation needed]
Signs and symptoms begin with sudden onset of fever and other flu-like symptoms about one to two weeks after being infected. [10] Five to nine days after the symptoms have started, a rash typically begins on the trunk and spreads to the extremities. This rash eventually spreads over most of the body, sparing the face, palms, and soles.
There is no standard treatment for pityriasis lichenoides chronica. Treatments may include ultraviolet phototherapy, sun exposure, oral antibiotics, and corticosteroid creams and ointments to treat rash and itching. [3] [5] One study identified the enzyme bromelain as an effective therapeutic option for pityriasis lichenoides chronica. [6]
Intravenous immunoglobulin has become established as the treatment of choice in Netherton syndrome. [6] This therapy reduces infection; enables improvement and even resolution of the skin and hair abnormalities, and dramatically improves quality of life of the patients; although exactly how it achieves this is not known.
Perianal cellulitis, also known as perianitis or perianal streptococcal dermatitis, is a bacterial infection affecting the lower layers of the skin around the anus. [1] [2] [3] It presents as bright redness in the skin and can be accompanied by pain, difficulty defecating, itching, and bleeding.
The itchy eruption lasts an average of 10–12 months. It is characterized by papules and papulovesicles with excoriations occurring on the chest, back, lower sternum, arms, and thighs. [4] The papules are most commonly found on the mid chest. Sometimes the features of Grover's are found in people who do not itch or have a conspicuous rash.
Cutaneous larva migrans (abbreviated CLM) is a skin disease in humans, caused by the larvae of various nematode parasites of the hookworm family (Ancylostomatidae).The parasites live in the intestines of dogs, cats, and wild animals; they should not be confused with other members of the hookworm family for which humans are definitive hosts, namely Ancylostoma duodenale and Necator americanus.