How to treat poison ivy, oak, sumac fast?

What to do. There are specific products that you can buy that will wash the urushiol off. Some options of treating poison ivy include calamine lotion, oatmeal soaks, Hydrocortisone cream and antihistamines. Anything which has touched urushiol from the poison ivy /oak etc needs to be cleaned (clothes, shoes, gear etc.) oral steroids are sometimes indicated.