Poison Ivy - What You Need to Know (2024)

Medically reviewed by Drugs.com. Last updated on Jun 5, 2024.

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What is poison ivy?

Poison ivy is a plant that can cause an itchy, uncomfortable rash on your skin. Poison ivy grows as a shrub or vine in woods, fields, and areas of thick underbrush. It has 3 bright green leaves on each stem that turn red in autumn.

What causes a poison ivy rash?

A poison ivy rash can occur when the plant oil soaks into your skin. You may get a rash if you touch:

  • Any part of the poison ivy plant: This includes the leaves, stem, vine, roots, flowers, and berries.
  • Pets with poison ivy on their fur: They can spread poison ivy oil to your skin and to items inside your car and house.
  • Items with poison ivy oil on them: This includes clothing, shoes, camping or sports equipment, or outdoor tools.
  • A person with poison ivy oil on him: Poison ivy oil may be on their skin or clothing.

What can I do if I have been exposed to poison ivy?

If you think you have touched poison ivy, rinse your skin with cool water right away. Then, wash it with soap and water. Rinse your skin well. Do not use hot water because it may cause the oil to spread on your skin. You may also put rubbing alcohol or a solution of 1/2 alcohol and 1/2 water on your skin. This may help your rash to be less severe when it breaks out on your skin.

What are the signs and symptoms of a poison ivy rash?

  • A red, swollen, itchy rash that develops within hours to days of exposure to poison ivy
  • A rash that appears in thick patches or thin lines where the plant leaves rubbed against your skin
  • Blisters that may leak clear to yellow liquid, then crust over and become scaly

How is a poison ivy rash treated?

  • Antiseptic or drying creams or ointments: Your healthcare provider may recommend medicine to dry out the rash and decrease the itching. These products may be available without a doctor's order.
  • Steroids: This medicine helps decrease itching and inflammation. It can be given as a cream to apply to your skin or as a pill.
  • Antihistamines: This medicine may help decrease itching and help you sleep. It is available without a doctor's order.

Treatment options

The following list of medications are related to or used in the treatment of this condition.

  • Caladryl Clear
  • Calaclear
  • Clear Calamine
  • Callergy Clear
  • Caldyphen Clear

View more treatment options

How can I manage my symptoms?

  • Keep your rash clean and dry: Wash it with soap and water. Gently pat it dry with a clean towel.
  • Try not to scratch or rub your rash: This can cause your skin to become infected.
  • Use a compress on your rash: Dip a clean washcloth in cool water. Wring it out and place it on your rash. Leave the washcloth on your skin for 15 minutes. Do this at least 3 times per day.
  • Take a cornstarch or oatmeal bath: If your rash is too large to cover with wet washcloths, take 3 or 4 cornstarch baths daily. Mix 1 pound of cornstarch with a little water to make a paste. Add the paste to a tub full of water and mix well. You may also use colloidal oatmeal in the bath water. Use lukewarm water. Avoid hot water because it may cause your itching to increase.

Can a poison ivy rash be spread by scratching or touching it?

You cannot spread poison ivy by touching your rash or the liquid from your blisters. Poison ivy is spread only if you scratch your skin while it still has oil on it. You may think your rash is spreading because new rashes appear over a number of days. This happens because areas covered by thin skin break out in a rash first. Your face or forearms may develop a rash before thicker areas, such as the palms of your hands.

How can I prevent a poison ivy rash?

  • Wear skin protection: Wear long pants, a long-sleeved shirt, and gloves. Use a skin block lotion to protect your skin from poison ivy oil. You can find this at a drugstore without a prescription.
  • Wash clothing after possible exposure: If you think you have been near a poison ivy plant, wash the clothes you were wearing separately from other clothes. Rinse the washing machine well after you take the clothes out. Scrub boots and shoes with warm, soapy water. Dry clean items and clothing that you cannot wash in water. Poison ivy oil is sticky and can stay on surfaces for a long time. It can cause a new rash even years later.
  • Bathe your pet: Use warm water and shampoo on your pet's fur. This will prevent the spread of oil to your skin, car, and home. Wear long sleeves, long pants, and gloves while washing pets or any items that may have oil on them.
  • Reduce exposure to poison ivy: Do not touch plants that look like poison ivy. Keep your yard free of poison ivy. While protecting your skin, remove the plant and the roots. Place them in a plastic bag and seal the bag tightly.
  • Do not burn poison ivy plants: This can spread the oil through the air. If you breathe the oil into your lungs, you could have swelling and serious breathing problems. Oil that clings to the fire ash can land on your skin and cause a rash.

When should I contact my healthcare provider?

  • You have pus, soft yellow scabs, or tenderness on the rash.
  • The itching gets worse or keeps you awake at night.
  • The rash covers more than 1/4 of your skin or spreads to your eyes, mouth, or genital area.
  • The rash is not better after 2 to 3 weeks.
  • You have tender, swollen glands on the sides of your neck.
  • You have swelling in your arms and legs.
  • You have questions or concerns about your condition or care.

When should I seek immediate care or call 911?

  • You have a fever.
  • You have redness, swelling, and tenderness around the rash.
  • You have trouble breathing.

Care Agreement

You have the right to help plan your care. Learn about your health condition and how it may be treated. Discuss treatment options with your healthcare providers to decide what care you want to receive. You always have the right to refuse treatment. The above information is an educational aid only. It is not intended as medical advice for individual conditions or treatments. Talk to your doctor, nurse or pharmacist before following any medical regimen to see if it is safe and effective for you.

© Copyright Merative 2024 Information is for End User's use only and may not be sold, redistributed or otherwise used for commercial purposes.

Learn more about Poison Ivy

Treatment options

  • Medications for Eczema
  • Medications for Poison Ivy

Care guides

  • Acute Rash

Symptoms and treatments

  • Eczema

Medicine.com guides (external)

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Medical Disclaimer

Poison Ivy - What You Need to Know (2024)

FAQs

What are important facts about poison ivy? ›

Fact: Poison ivy can't be caught from other people. However, oils can stay on clothes, gardening gloves, equipment, tools, shoes, pets, and other items. Touching items with the oils can produce the same skin rash as touching the poison ivy plant directly. Myth: Only the leaves of poison ivy are poisonous.

What is the saying to remember poison ivy? ›

The old saying “Leaves of three, let it be!” is a helpful reminder for identifying poison ivy and oak. However, it does not apply to poison sumac, which usually has clusters of 7–13 leaves. Even poison ivy and poison oak may have more than three leaves.

What gets rid of poison ivy the fastest? ›

What are some remedies that can help cure poison ivy fast?
  1. Apply a cool compress to the affected area several times a day. This can help reduce swelling and itchiness.
  2. Taking oatmeal baths. ...
  3. Using aloe vera gel. ...
  4. Applying a slurry of baking soda and water to the affected area. ...
  5. Rubbing the affected area with a raw potato.

What kills poison ivy permanently? ›

To eradicate poison oak and poison ivy chemically, use an herbicide that contains glyphosate, triclopyr, or a 3-way herbicide that contains 2,4-D amine, dicamba, and mecoprop.

Does poison ivy stay on bed sheets? ›

The plant oil lingers (sometimes for years) on virtually any surface until it's washed off with water or rubbing alcohol.

How long does it take for poison ivy to go away? ›

Poison ivy treatments usually involve self-care methods at home. And the rash typically goes away on its own in two to three weeks.

What happens if you don't treat poison ivy? ›

If you scratch a poison ivy rash, bacteria under your fingernails may cause the skin to become infected. See your doctor if pus starts oozing from the blisters. Your doctor might prescribe antibiotics. Serious difficulty breathing and inflammation of the lining of the lungs may result from inhaling urushiol.

What is the famous line from poison ivy? ›

Pamela Isley/Poison Ivy : I am Nature's arm. Her spirit. Her will. Hell, I am Mother Nature, and the time has come for plants to take back the world so rightfully ours!

How soon after exposure to poison ivy does a rash appear? ›

Previous rash from poison ivy, oak, or sumac: A rash usually appears within 4 to 48 hours. Never had a rash from poison ivy, oak, or sumac: It typically takes 2 to 3 weeks.

Can you wash poison ivy off with Dawn? ›

If you have contact with poison ivy, oak, or sumac , immediately wash areas of the skin that may have touched the plant. Sometimes the resulting rash ( contact dermatitis ) can be completely avoided by washing the affected areas with plenty of water and soap (such as dishwashing soap) or rubbing alcohol.

Is it okay to put rubbing alcohol on poison ivy? ›

Wash the rash

Before washing with soap and water, it's important to wipe the affected area with rubbing alcohol. Not only will this wipe away most of the urushiol from your skin, but it will also neutralize it. Also, if rubbing alcohol is used within 4 hours of exposure, it will draw urushiol out of the skin.

Does Vicks vapor rub help poison ivy? ›

It eased my itching immediately! I applied some every night until the poison ivy had cleared up. I've shared this information with my family, and I'd like to share it with your readers, too. Answer: Camphor, one of the main ingredients in Vicks VapoRub, is found in over-the-counter remedies for poison ivy.

What is the best homemade ivy killer? ›

Homemade weed killer: Add 1 cup of salt, 1 tablespoon of dish soap and 1 tablespoon of vinegar into a gallon of water for a DIY weed killer spray that can kill poison ivy over time. Water method: Boil water in a kettle and carefully pour water over the plants to drown the roots.

What does vinegar do to poison ivy? ›

Generally, the rash goes away after one to three weeks. Apple cider vinegar is often touted as a natural home remedy for reducing the symptoms of poison ivy rash. It's said to provide relief by drying up the rash. However, the relief will most likely be temporary, and apple cider vinegar may cause skin irritation.

What are some interesting facts about ivy? ›

Ivy flowers from September to November. Ivy berries are an important food for winter migrants, like the redwing. Ivy has climbing stems with specialised hairs which help it stick to surfaces as it climbs. Ivy nectar and pollen are an essential food source for insects during autumn when little else is about.

What is poison ivy famous for? ›

Her special pheromones let her mesmerize and manipulate people around her, men in particular, although strong-minded people like Batman are usually capable of resisting. She can also create the most potent floral toxins in Gotham City, ranging from truth serums to love potions.

What is poison ivy good for? ›

Homeopathic preparations of poison ivy are used to treat pain, rheumatoid arthritis, sprains, and itchy skin disorders, but there is no good scientific evidence to support these uses.

What is poison ivy obsessed with? ›

She is obsessed with plants, botany, and environmentalism. She uses toxins from plants and her own bloodstream for her criminal activities, which are usually aimed at protecting the natural environment. She creates love potions that ensnare Batman, Superman, and other strong-willed individuals.

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