Poison Ivy FAQs for Summertime

July 9, 2021

Avoiding the misery 

Poison Ivy FAQ’s for Summertime

Like most individuals in the summertime, you likely enjoy being outdoors. Many like to garden, enjoy outdoor sports, or love Michigan’s endless hiking possibilities. With all of the outdoor activity comes the possibility of exposure to the poison ivy plant, known also as Toxicodendron radicans. This plant produces an oil called urushiol which is what ultimately irritates the skin and causes that pesky rash that itches and blisters. If you’ve experienced it, you understand how miserable you can feel. 

So, what should you do after exposure to poison ivy?

• Although not a guarantee, several over the counter products such as Zanafel are marketed as being able to remove urushiol from skin, thus preventing dermatitis and rash. The sooner this is used, the higher likelihood it will successfully work. Urushiol penetrates the skin and binds to membrane lipids after being in contact with the skin for 10-20 minutes. Removing this oil before this time frame will help eliminate the poison ivy itch/rash/blisters.

• Wash area with soap and water vigorously within 20 minutes of exposure if you do not have a product such as Zanafel. Wash clothing that came into contact with plant and likely has oils that may cause a secondary skin exposure.

• Oral antihistamines may be of use in reducing itchy irritation.


• Contact your primary care provider soon after the first rash appears since a steroid treatment may help reduce the rash intensity. The rash does not “spread” but skin areas with a lesser or secondary exposure will develop the rash later and give the impression the rash is spreading. Prescription steroids taken orally or topically are most effective when used early. 

• For relief you can use oatmeal baths or cool compresses for relief but avoid scratching skin lesions.

Gardening Tip: If using gloves for gardening or outdoor work, vinyl gloves are preferred since they will not absorb urushiol unlike leather or fabric gloves. Additionally, rubber gloves can also absorb urushiol, as they are more permeable.

Best Tip: Learn to recognize it and don't touch it! It can often be found as a vine on a tree.


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