How to Treat Poison Ivy and Poison Oak. Poison ivy, oak, and sumac are a great way to ruin a day in the outdoors. Coming in contact with their toxic leaves, stems, and roots can give you an itchy rash that lasts for weeks.
Poison ivy remedy/made from common plants - this one is done in vinegar, but I have also used olive oil. it really does work! Plantain, Sage, and Jewelweed in vinegar. Steep like tea and put on whenever exposed to poison ivy.