 [ Symptoms ] my husband has poison ivey on both arms pretty badly his left hand is very swollen dr visit treating w hct1& ben c i am concerned about the swelling he does not feel he needs to seethe dr but i do he can still make a fist but not easily [ Disease ] severe poison ivy is often treated with prescription oral steroids like prednisone so his doctor may need to give him more than this very minor treatment he is receiving now