What s the best products to use on poison ivy? Ive used calamine lotion, Benadryl, oatmeal baths, and rubbed bleach on the rashes. The bumps are spreading. My daughter is also going threw the same thing, hers is scattered threw out her body. She was put on steroids to help it, since it spread to her face and neck in just 24 hours. (I did not put bleach on my daughter skin,just mine. Her skin is very sensitive.)