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BDD is also comorbid with eating disorders, up to 12% comorbidity in one study. Both eating and body dysmorphic disorders are concerned with physical appearance, but eating disorders tend to focus more on weight rather than one's general appearance. [46] BDD is classified as an obsessive–compulsive disorder in DSM-5.
Symptoms may include fever, swelling, and complaints of excessive pain. The initial skin changes are similar to cellulitis or abscess, thus making the diagnosis at early stages difficult. Hardening of the skin and soft tissue and swelling beyond the area of skin changes are commonly present in those with early necrotizing changes. [2]
This type of scarring is considered one of the physical indicators of a mental illness, and Russell's sign is primarily found in patients with an eating disorder such as bulimia nervosa, purging disorder, or anorexia nervosa. It is almost always associated with eating disorders and is the most characteristic skin condition indicative of purging.
Trichotillomania (TTM), also known as hair-pulling disorder or compulsive hair pulling, is a mental disorder characterized by a long-term urge that results in the pulling out of one's own hair. [2] [4] A brief positive feeling may occur as hair is removed. [5] Efforts to stop pulling hair typically fail.
Dog with atopic dermatitis, with signs around the eye created by rubbing. Atopy is a hereditary [3] and chronic (lifelong) allergic skin disease. Signs usually begin between 6 months and 3 years of age, with some breeds of dog, such as the golden retriever, showing signs at an earlier age.
Although the prevalence rates vary greatly, between 37% and 100%, [101] there appears to be a link between traumatic events and eating disorder diagnosis. [102] Approximately 72% of individuals with anorexia report experiencing a traumatic event prior to the onset of eating disorder symptoms, with binge-purge subtype reporting the highest rates.
Self-harm is for example associated with eating disorders, [57] autism spectrum disorders, [58] [59] borderline personality disorder, dissociative disorders, bipolar disorder, [60] depression, [11] [61] phobias, [11] and conduct disorders. [62] As many as 70% of individuals with borderline personality disorder engage in self-harm. [63]
Scurvy is a disease resulting from a lack of vitamin C (ascorbic acid). [1] Early symptoms of deficiency include weakness, fatigue, and sore arms and legs. [1] [2] Without treatment, decreased red blood cells, gum disease, changes to hair, and bleeding from the skin may occur.