title: Painful discoloration of the fingernails in a 15-year-old boy.
authors.affiliation: Children's Hospital of Philadelphia, PA.
authors.forename: S E
authors.initials: SE
authors.lastname: Coffin
authors.forename: J
authors.initials: J
authors.lastname: Puck
mesh_terms: D000293:Adolescent; D017484:Dermatitis, Phototoxic / Q000209:etiology*; D004318:Doxycycline / Q000009:adverse effects*; D005385:Fingers; D006801:Humans; D008193:Lyme Disease / Q000188:drug therapy; D008297:Male; D009260:Nail Diseases / Q000139:chemically induced*; D010859:Pigmentation Disorders / Q000139:chemically induced*
chemical_list: D004318:Doxycycline