Key points

• Topical preparations containing SA are generally effective and safe for treating warts.

• The available, rather limited, evidence shows that cryotherapy is probably of equivalent efficacy to topical treatments containing SA.

• Contact immunotherapy with DNCB appears to be a promising treatment but is probably best reserved for highly refractory warts.

• PDT and pulsed dye laser therapy do not appear to have any particular advantage in terms of higher cure rates or fewer adverse effects than the other simpler and cheaper local treatments available.

• There is no compelling evidence for the efficacy of intralesional bleomycin.

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