KnowraLewisiteLinked fromLinked fromThe 3 pages that link to Lewisite, each with the reason it gives.All 3Broader topic 1Related 1Compared with 1Mustard gasCompared with: It also causes blistering but differs chemically and can act more rapidly.DimercaprolRelated: Dimercaprol was developed as an antidote to this arsenical agent.Blister agentBroader topic: Unlike sulfur mustard, this blister agent causes immediate pain and injury.