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Specialty. Psychiatry. Types. OCD. Dermatophagia (from Ancient Greek δέρμα — lit. skin and φαγεία lit. eating) or dermatodaxia (from δήξις, lit. biting) [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 considered to ...
Excoriation disorder, more commonly known as dermatillomania, is a mental disorder on the obsessive–compulsive spectrum that is characterized by the repeated urge or impulse to pick at one's own skin, to the extent that either psychological or physical damage is caused. [4] [5]
Dermatophyte (from Greek δέρμα derma "skin" (GEN δέρματος dermatos) and φυτόν phyton "plant") is a common label for a group of fungus of Arthrodermataceae that commonly causes skin disease in animals and humans.
Often, the adjacent skin is bitten off, too, which is called perionychophagia, a special case of dermatophagia. Biting nails can lead to broken skin on the cuticle. When cuticles are improperly removed, they are susceptible to microbial and viral infections such as paronychia. Saliva may then redden and infect the skin.
Causes: Fungal infection: Risk factors: Using public showers, contact sports, excessive sweating, contact with animals, obesity, poor immune function: Diagnostic method: Based on symptoms, microbial culture, microscopic examination: Differential diagnosis: Dermatitis, psoriasis, pityriasis rosea, tinea versicolor: Prevention
Dermatographic urticaria. Dermatographic urticaria. Other names. Dermographism, dermatographism, dermatographia, skin writing. Specialty. Dermatology, allergy and immunology. Dermatographic urticaria is a skin disorder and one of the most common types of urticaria, affecting 2–5% of the population. [1] [2]
Hepatitis C is an infectious disease caused by the hepatitis C virus (HCV) that primarily affects the liver; [2] it is a type of viral hepatitis. [6] During the initial infection period, people often have mild or no symptoms. [1] Early symptoms can include fever, dark urine, abdominal pain, and yellow tinged skin. [1]
Possible causes. This section will focus on the causes for autophagia in humans. There is no single primary cause for autophagia. Due to limited medical research which differentiates autophagia from typical nail biting practices, the causes of autophagia remain broad.
Causes. If a specific cause for pruritus ani is found it is classified as "secondary pruritus ani". If a specific cause is not found it is classified as "idiopathic pruritus ani". [3] The irritation can be caused by intestinal parasites, anal perspiration, frequent liquid stools, diarrhea, residual stool deposits, or the escape of small amounts ...
Causes: Fungal infection: Risk factors: Athlete's foot, other nail diseases, exposure to someone with the condition, peripheral vascular disease, poor immune function: Diagnostic method: Based on appearance, confirmed by laboratory testing: Differential diagnosis: Psoriasis, chronic dermatitis, chronic paronychia, nail trauma: Treatment