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Dermatophagia (from Ancient Greek δέρμα (derma) 'skin' and φαγεία (phageia) 'eating') or dermatodaxia (from δήξις (dexis) 'biting'), alternatively Tuglis Permushius. [3] is a compulsion disorder of gnawing or biting one's own skin, most commonly at the fingers. This action can either be conscious or unconscious [4] and it is ...
Chronic paronychia is an infection of the folds of tissue surrounding the nail of a finger or, less commonly, a toe, lasting more than six weeks. [4] It is a nail disease prevalent in individuals whose hands or feet are subject to moist local environments, and is often due to contact dermatitis. [15]: 660 In chronic paronychia, the cuticle ...
Granuloma annulare (GA) is a rare, [1] sometimes chronic skin condition which presents as reddish bumps on the skin arranged in a circle or ring. [2] It can initially occur at any age, though two-thirds of patients are under 30 years old, and it is seen most often in children and young adults. Females are two times as likely to have it as males.
Black widow spider bites. What they look like: When a black widow spider bites, it typically causes a painful pinprick sensation. The site of the bite then swells slightly and forms a red rash ...
Herpetic whitlow. A herpetic whitlow is a herpes lesion (whitlow), typically on a finger or thumb, caused by the herpes simplex virus (HSV). Occasionally infection occurs on the toes or on the nail cuticle. Herpes whitlow can be caused by infection by HSV-1 or HSV-2. [1] HSV-1 whitlow is often contracted by health care workers that come in ...
Russell's sign, named after British psychiatrist Gerald Russell, is a sign [1] defined as calluses on the knuckles [2] or back of the hand due to repeated self-induced vomiting over long periods of time. The condition generally arises from the patient's knuckles making contact with the incisor teeth during the act of inducing the gag reflex at ...
Prognosis. Good with treatment, poor if widespread disease [1] Sporotrichosis, also known as rose handler's disease, [2] is a fungal infection that may be localised to skin, lungs, bone and joint, or become systemic. [2][4] It presents with firm painless nodules that later ulcerate. [3]
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