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It’s That Time of the Year…Watch out for Poison Ivy
May 18, 2018

This time of year, watch out for poison ivy. Come in contact with the oil in the ivy plants, and you could develop a blistery, itchy rash, says Lindy Lee Cibischino, MD, a pediatrician at St. Luke’s Pocono Pediatrics.

“You can get poison ivy any time of the year,” Dr. Cibischino says, “but in the spring, you might not recognize its leaves as they are just budding, and you could be more susceptible.” Hint: In spring, poison ivy is various shades of red and orange. (In the fall, poison ivy can lurk in dead leaves.)

Poison ivy is an irritation of the skin that occurs when you touch the oils on the leaves, Dr. Cibischino says. “Wash the oils off quick enough and you won’t have a skin reaction,” she says. That’s why it’s important to wash from head to toe with soap and water when you come indoors, especially if you’re prone to a strong reaction to poison ivy, Dr. Cibischino says. Dr. Cibischino recommends using unscented baby wipes if you can’t get to a sink.

Many people mistakenly believe that poison ivy is contagious. Not so, says Dr. Cibischino. “It is not contagious from one person to another and you can’t spread it by scratching,” she says. However, she says, if you still have plant oils on your hands, you can spread it by spreading the oils. Also, if you have plant oils on your shoes or clothing and don’t wash them, you can spread poison ivy when you put them on again, she says.

Poison ivy can cause a rash within four hours of exposure or as long as 10 days.

The rash is most likely to appear on your face and hands first, Dr. Cibischino says. Other areas of your skin that are not as sensitive or as heavily contaminated may break out later, she says. That’s why some people believe it spreads when it doesn’t.

How to treat poison ivy

If you find you have a rash from poison ivy, keep the area clean and dry, Dr. Cibischino says. Topical treatments available over the counter such as calamine lotion and steroid creams will feel cooling and soothing, she says. So, will an oatmeal bath.

Antihistamines such as Benadryl also may help alleviate the itch, Dr. Cibischino says.

You can use topical creams and lotions as long as the area isn’t open and bleeding, she says. “If it is spread everywhere and around your eyes or mouth, you might need to talk to your doctor about an oral steroid or a steroid injection.”

It can take a week or more for the rash to subside and the itching to go away, Dr. Cibischino says.

In this area of Pennsylvania, poison sumac isn’t as common. But poison sumac causes a rash similar to poison ivy, Dr. Cibischino says. The rash from poison sumac is a little finer than from poison ivy, although either could cause skin bubbles, she says.

It’s best to avoid poison ivy when working in the garden by wearing gloves and long sleeves, Dr. Cibischino says. “Kids tend to get it from playing around in woods or chasing after a baseball that’s in the woods,” she says. “It is an ivy, so it does climb up trees.”