• A 32-year-old man with pityriasis rubra pilaris diagnosed by clinical appearance and histologic examination was treated with 1% aminonicotinamide cream applied once daily. Improvement was noted within four days, and almost complete clearing occurred after two weeks of therapy. No side-effects were noted.
(Arch Dermatol 114:1348-1349, 1978)
Binnick SA. Pityriasis Rubra Pilaris Responding to Aminonicotinamide. Arch Dermatol. 1978;114(9):1348-1349. doi:10.1001/archderm.1978.01640210043012