Poisonous Plants

Poison ivy, poison oak, and poison sumac produce an oil that irritates the skin of most people. Once the oil gets on skin or clothing, it can be spread to other parts of the body. Contact with these plants can make a backcountry traveler miserable and ruin a camping or hiking trip.

Touching any of these plants can cause a possibly severe rash, with redness, blisters, swelling, itching, burning, fever, and headache.

Remove contaminated clothing and wash all exposed areas thoroughly with soap and water. Wipe with rubbing alcohol. If the rash is mild, apply calamine or other soothing skin lotion. Seek medical attention immediately if the rash is severe, if it is on the face or genitals, or if plant parts were chewed or swallowed.

Learn what these poisonous plants look like and stay away from them. "Leaflets 3, let it be" is a rhyme that can help you remember to avoid plants that look like these. White berries are another sign of poisonous plants, though not all plants with 3 leaves or white berries are poisonous. Wear protective clothing. Be cautious about handling tools, clothes, and camping gear that could be contaminated. Avoid touching animals whose fur might contain the irritating oil. Wash with soap and water if contamination is suspected.