What are poison ivy, oak, and sumac? Poison ivy, oak, and sumac are plants that can cause a red, itchy rash called allergic contact dermatitis. It is the. Poison ivy rash — Comprehensive overview covers symptoms and treatment of this itchy skin rash. 1 Answer - Posted in: amoxicillin, contact dermatitis, poison - Answer: no no no. A bad case is helped by prednisone. The poison is an allergic. Question - Can amoxicillin be used to help cure poison ivy/oak - 55. Find the answer to this and other Medical questions on JustAnswer. Could this be Poison Ivy giving him fits or something this time from the diarrhea and vomiting? The Poison Ivy is growing around an old pipe in the ground. Poison ivy rash — Comprehensive overview covers symptoms and treatment of this itchy skin rash. cutey171: NOOOOOOO,amoxicillin will not help cure poison ivy. poison ivy isn't an infection,it is a reaction about 90% of people get after exposure to. Can Antibiotics help with Poison Oak Rash? Can Antibiotics cause Poison Oak Rash? Antibiotics are mentioned in 230 about Poison Oak Rash. My bookmarks;.