Hello,I have skin rash for fije days ,I think it is Contact Dermatitis.Causes can be two.One I Was manipulating a plant name Diphenbaquia last week and maybe some of the secretion of the plant touch my hands and armsI also has been using a new detergent for dishes and I put some direct to my skin to Washington my hands and armas afternoon i touch the plant. I put some anti itching cream and I am taking Zirtek by month.I would like to know how long it is going to last.It itchs a lot,I have small spots and big spots some of them are like blisters with licuid inside,I don t know what else to do and I need to know if it can spred on myself and if I am going to have new blisters .I am not having Contact with any detergentes or soaps and of corsé with the plant.If You can help with some adrice,I wil apreciate it,thanks a lot