Poison Ivy Rash Pictures. But the itching can be hard to deal with and make it difficult to sleep. A poison ivy rash usually resolves on its own within a few weeks.
In the meantime, soothe irritated skin with an over-the-counter topical treatment, such as calamine lotion. Immediately rinse your skin with lukewarm, soapy water. Poison ivy, poison oak and poison sumac all have an oily resin throughout the plant that can create an allergic reaction that lasts for weeks.
Get to know wood nettle, stinging nettle, leadwort.
You can treat the rash at home if you: Have a mild rash.
But the itching can be hard to deal with and make it difficult to sleep. A rash from poison ivy, oak, or sumac looks like patches or streaks of red, raised blisters. A poison ivy rash will eventually go away on its own.