acrodynia

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Dermatitis seen in animals deficient in vitamin B₆. There is no evidence for a similar dermatitis in deficient human beings.

1. A syndrome in children and infants caused by mercury poisoning, characterized by erythema of the extremities, chest, and nose, polyneuritis, and gastrointestinal disorders. Also called dermatopolyneuritis, erythredema, pink disease, Swift's disease.
2. A syndrome associated with ingestion of mercury by adults, characterized by photophobia, sweating, and tachycardia.

(erythredema polyneuropathy, Feer’s syndrome, pink disease, Swift’s syndrome, Selter’s disease), a disease that occurs in infants and young children in which manifestations occur with the eruption of the primary teeth. Symptoms include raw-beef hands and feet, superficial sensory loss, photophobia, tachycardia, muscular hypotonia, changes in temperament, stomatitis, periodontitis, and premature loss of teeth. The etiology has been related to mercury and deficiency of vitamin B6 and essential fatty acids. See also erythredema polyneuropathy.