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Poison Ivy, Oak, and Sumac Topic Guide

Poison Ivy, Oak, and Sumac Poison Ivy, Oak, and Sumac: Poison ivy, poison oak, and poison sumac can causes an allergic reaction when someone comes in contact with the plant. This oil is called urushiol. The resulting rash appears one to three days after contact and may crust or ooze. Home remedies for the rash include applying cool compresses and calamine lotion, soaking in an Aveeno bath, and taking oral antihistamines.

Poison Ivy, Oak, and Sumac Topic Guide - Visuals

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Poison Ivy, Oak, and Sumac Topic Guide - Medications and Vitamins

Medications:

calamine (topical) Calamine (topical)

Calamine is an anti-itch medicine that works by causing a cooling sensation as it evaporates on your skin. Calamine also dries oozing or weeping from minor s...learn more »

pramoxine (topical) Pramoxine (topical)

Pramoxine is an anesthetic, or "numbing medicine." It works by interfering with pain signals sent from the nerves to the brain...learn more »

epinephrine injection Epinephrine Injection

Epinephrine is a chemical that narrows blood vessels and opens airways in the lungs. These effects can reverse severe low blood pressure, wheezing, severe s...learn more »

prednisone Prednisone

Prednisone is a steroid that reduces inflammation in the body, and also suppresses your immune system...learn more »

diphenhydramine Diphenhydramine

Diphenhydramine is an antihistamine that reduces the effects of natural chemical histamine in the body. Histamine can produce symptoms of sneezing, itching,...learn more »

prednisolone Prednisolone

Prednisolone is a steroid that prevents the release of substances in the body that cause inflammation...learn more »