“…Numerous treatment options have been reported, such as topical 20 % aluminum chloride solution, acetic acid, iontophoresis, botulinum toxin injection as well as topical preparations with corticosteroids, urea and salicylic acid, as well as 12 % ammonium lactate [4,8,12]. Based on our experience as well as the published report by Itin et al, antihistamine therapy is promising and has few side effects [1].…”