Evaluation of isotretinoin treatment of hidradenitis suppurativa.

Eight patients with a long-standing hidradenitis suppurativa were treated with isotretinoin, 0.71 to 1.2 mg/kg/day, as a single agent for 4 months and have had follow-up of at least 2 months. The clinical status was judged as cleared in one patient, almost cleared in three patients, improved in one patient, not changed in two patients, and worse in one patient.