Prepubertal hidradenitis suppurativa successfully treated with botulinum toxin A.

Hidradenitis suppurativa (HS) is a recurrent scarring suppurative disease of the apocrine gland-bearing areas of the body that usually affects the intertriginous areas. Prepubertal HS is a rare condition; fewer than 2% of patients have onset of the disease before the age of 11. Management of HS, in children and adults, may be difficult because of its chronic nature and lack of response to standard therapeutic options, and there is little evidence of the efficacy of the different treatments in randomized clinical trials or after long-term followup. Among all therapies, botulinum toxin A (BTX) has been regarded as effective for isolated case reports of adult-onset HS. Recently, we succeeded in treating a case of prepubertal HS with BTX, which to our knowledge has not previously been described.