Vitamin B-12 induced acnes

Cutis. 1979 Aug;24(2):210-1.


A type of acne induced by vitamin B-12 deserves a special place among acneiform eruptions. The eruption is monomorphic and of a particular type. It consists of voluminous folliculitis lesions which develop acutely after the first injections of vitamin B-12 and disappear rapidly when treatment is discontinued. The etiologic and pathogenic mechanisms of the disease are not know.

Publication types

  • Case Reports

MeSH terms

  • Acne Vulgaris / chemically induced*
  • Adult
  • Female
  • Humans
  • Pregnancy
  • Pregnancy Complications*
  • Vitamin B 12 / adverse effects*


  • Vitamin B 12