1. Pain in peripheral or acral parts of the body.

2. A syndrome caused almost exclusively by mercury poisoning: in children, characterized by erythema of the extremities, chest, and nose, polyneuritis, and gastrointestinal symptoms; in adults, by anorexia, photophobia, sweating, and tachycardia. Syn: acrodynic erythema, dermatopolyneuritis, erythredema, Feer’s disease, pink disease, Swift’s disease.