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Posts Tagged ‘Poison Ivy’

Poison Ivy and Sumac Rash Prevention and Treatment. By Our July Student Pharmacist, Calvin Chan.

poison ivy rash2

Did you know that almost 85% of people are allergic to poison ivy and it’s two cousins, poison sumac and oak (the last one is not found in Ohio)? I am sure that many of you have either seen or experienced the nasty rashes that are associated with poison ivy. What you may not know is that it is not the actual plants themselves that cause the allergic reaction/rash, but rather a substance produced by them called “urushiol oil.”

The urushiol oil is tenacious–it can stick to your skin, clothes, tools, pets’ fur and spread to pretty much everything it comes into contact with until it is washed off. Even in the winter when the plants have died, the urushiol can still be on them ready to cause unsuspecting visitors some itchy misery. The spread of urushiol is also how people commonly find rashes in places that were never exposed to the plant, because it was unknowingly stuck onto their clothes or other body parts.

So what are the best ways to not only prevent, but also treat poison ivy rashes?

Poison Ivy_Oak_Sumac

Prevention

The best way to prevent the rashes is to avoid contact in the first place, which can be easy with the following steps:

  1. Learn the plants’ appearances with simple phrases:
    1. “Leaves of three, let it be” – A classic phrase that describes how three leaves will often sprout from a single stem of poison ivy.
    2. “Don’t be a dope and touch the hairy rope” – A useful way to spot the plants in the winter especially since the “hairy”-looking vines will still be present.
    3. “Berries white, run in fright” – For the telltale white berry-like fruits of poison ivy.
    4. “Leaves shaped like mittens will itch like the dickens” – The leaves of the plant will often look like they have a thumb coming off of them
  2. Wear long sleeved shirts and pants when hiking or exploring areas with possible poison ivy.
  3. If you believe you have touched the plants by accident, wash any areas immediately to prevent the urushiol from spreading further.
  4. Remove the plants by pulling them up by the root, using an herbicide or boiling hot water.
    1. DO NOT BURN the plants due to the risk of breathing in the urushiol.
    2. Handle the plants using VINYL GLOVES, because urushiol can penetrate other materials.

Treatment

If you have a moderate-to-severe rash that covers more than 20-25% of your body, it is highly recommended to seek medical attention. For mild, small rashes there are several great over-the-counter options:

Chan Chrat

I hope this has been helpful in allowing you to navigate and work in the outdoors a little more safely this summer. As always, if you ever have any more questions, your local pharmacist at Plain City Druggist will always be willing to help!

Sources:

Pharmacist’s Letter

American Academy of Dermatology

Pesky Poison Ivy: Recognition, Prevention, and Treatment. By Our June Student Pharmacist, Rebecca Rady.

PoisonIvyPlant

As we move into June, it’s official that the summer weather is here to stay! With the beautiful sun and warmer temperatures, many of us will find ourselves spending a lot more time outside in nature. Poison ivy and oak plants have their peak flowering season in central Ohio from May-July, so we wanted to give some handy tips on how to prevent, treat, and remove poison ivy should you come into contact with this irritating plant as you enjoy the outdoors.

Recognize Poison Ivy

The most important step in preventing poison ivy is knowing what the plant looks like and then, subsequently, avoiding it. There are many folk rhymes out there to help identify poisonous plants with the easiest being: “leaves of three, stay away from me” or “leaves of three, let them be.”

Poison I-V-Y and poison O-A-K plants each have three letter names, as well as poisonous leaves that are bunched in groups of three. If you come across any unfamiliar plant with a branch of three leaves….stay away!

Poison ivy plants have oil on their leaves that can cause dermatitis (an itchy rash) when it comes in contact with human skin. Some people are more sensitive to the plant oil than others. If two people touch the same plant, one person may get a widespread rash and another person may be completely unaffected.

Poison ivy rashes are usually red with white vesicles/blisters containing clear liquid and they are most well known for being extremely ITCHY. Rashes often appear in straight lines from where the poison ivy plant brushed up against the skin, but they can also be very widespread if the oil gets rubbed around the skin surface before thoroughly cleansing.

A common misconception about poison ivy is that the rash is contagious. The rash can NOT be transmitted from person to person and the rash can NOT “spread” once the oil is completely removed from the skin. A rash on the body only appears where the plant oil has come in contact with skin.

Treating Poison Ivy

If you come in contact with a poison ivy plant, the first step is to remove the oil from your skin. Wash any skin that comes in contact with the plant with cool water and a mild cleanser, such as Dawn, Cetaphil, or IvyCleanse. You can rinse the skin under water or rub lightly with a paper towel (throw away the towel after cleansing).

If a rash develops, it will be extremely itchy but it is important to try not to scratch. Scratching can break the skin and increase your risk for the rash to become infected by bacteria. To help ease a rash that is itching, you can put on a topical steroid cream or ointment such as Hydrocortisone 1%. To use this product, a thin film can be applied 2 to 4 times daily and the area should remain uncovered. This is a good product to use if you get a rash on your arms or legs, but hydrocortisone should be avoided under areas of tight clothing. Topical antihistamine creams (such as Benadryl cream or diphenhydramine cream) should be avoided on poison ivy rashes, because these products can sometimes cause additional skin irritation. You can always ask your pharmacist for help choosing the right product in the store or call and ask for advice on how to use the medication.

If the rash has vesicles or blisters that are leaking clear fluid, an astringent (like witch hazel or Burow’s solution) can be used to help dry out the area. As long as the rash is oozing, ointments should be avoided but steroid CREAMS can still be used on an oozing rash.

Skin protectant products (such as calamine lotion or colloidal oatmeal) are not very effective at preventing the rash from itching, they can be used to help soothe the skin and provide a barrier between the rash and the environment.

If you ever feel that a poison ivy rash is severe (interferes with daily activities, rash is spreading rapidly, rash covers over >25% of body) or involves mucous membranes such as eyes or mouth, seek medical attention from a doctor, nurse, or pharmacist. A severe rash may require a prescription strength topical product and/or an oral medication.

PoisonIvyRash

Getting Rid of Poison Ivy

If you find a poison ivy plant and want to get rid of it, it is important to take appropriate precautions to avoid contact with skin. To prevent the oil from touching your skin, wear long pants and sleeves as well as heavy-duty vinyl gloves because the plant oil can penetrate rubber gloves. In order to prevent the plant from growing back, pull up the plant from the roots and dispose of it inside of a garbage bag to prevent the oils from contaminating other surfaces.

If you would like to kill the plant before removal, you can pour boiling water over the plant or use a herbicide such as RoundUp. After the plant is dead, the oils may still be present, so you should continue to use a barrier between your skin and the plant. NEVER burn poison ivy in order to kill the plant. The irritating oils can become an aerosol, which can be extremely dangerous if inhaled.

Points to Remember

  • Avoid coming into contact with poison ivy plants: “Leaves of three, stay away from me.”
  • The poison ivy rash can NOT be transmitted from person-to-person once the oil is removed from the skin.
  • There are many pharmaceutical products available to treat poison ivy rash including:
    • Hydrocortisone cream is the best and safest OTC product for itching.
    • Ointments, astringents, and skin protectants can also be used.
    • Ask your pharmacist for help selecting a product!
  • If a poison ivy rash is severe, the patient should seek medical attention.
  • Never burn poison ivy when trying to eradicate the plant, as it can become an aerosol that can then be inhaled.

References

 

Recognizing “Rash” Behavior: What You Need to Know About Poison Ivy and Poison Sumac. By Our July Student Pharmacist, Rich Downs.

PosionIvyRash

The weather lately may make you think differently, but summer is the time to be outside here in Ohio. We all like to get out and do some of our favorite summer activities such as fishing, hiking, tending the garden, playing sports, and doing yard work. While these activities are fun, they can put us at risk for encountering two unfriendly species of plants: poison ivy and poison sumac.

Here is what you need to know to avoid and to treat exposure to these plants.

Poison ivy is found throughout the continental United States, except for the desert. It usually grows as a vine or a small shrub, presenting as a cluster of three leaves. These leaves can vary in color and texture depending on the time of year. The leaves can be green, yellow, and even purple, usually with a sheen on the top of the leaf.

Poison sumac tends to grow in wet areas in the eastern United States. It usually grows as a small shrub or tree. Unlike poison ivy, poison sumac presents as a red branch with seven to thirteen leaves paired at the branch. The leaves are usually green, but they change color like the leaves on other trees.

PosionIvy

Both of these plants contain the same rash-causing toxin called urushiol. This toxin produces an allergic contact dermatitis when skin is exposed to it. Coming into contact with any part of the plant puts you at risk with the toxin.

Urushiol can be spread by more than direct contact with the plant, however. Anything that comes into contact with the plant can carry the toxin on it including: pets, clothing, tools, and sporting equipment. Burning any part of the plant does not kill the toxin, but instead allows it to cover longer distances and be inhaled, which can be extremely dangerous and life threatening.

The rash that is caused by urushiol, when coming into contact with the skin, is extremely itchy. It can present as a small patch on the skin or, in more severe cases, can cover the entire body. The rash can be a red, itchy area or can present with blisters.

Contrary to popular belief, the rash is not contagious and cannot be spread by scratching. The only way for the rash to spread is if the toxin comes into contact with an un-infected area of skin. Urushiol is not contained in the blisters and, once it has been removed, the rash cannot spread.

If the rash is very severe or if urushiol is inhaled, please seek medical attention immediately.

Technu

After immediate exposure to the toxin, wash exposed areas in warm, soapy water. If you have it around, Tecnu, an outdoor cleansing agent, can be used to remove the oils as well. Wash clothes separately from other items with detergent to remove oil from clothing. Shoes and other items that you cannot wash may be cleaned with alcohol while wearing rubber or latex gloves.

Treatment of the rash depends on the severity. If the rash is not very severe, the use of calamine lotion or hydrocortisone 1% cream or ointment can be used. These products help with the itching and hydrocortisone helps with inflammation as well. Hydrocortisone should not be used near the eyes, mouth, or on broken skin. Cool compresses can also help.

More severe cases may require an antihistamine like diphenhydramine (Benadryl). The antihistamine helps with the inflammation and itching. One caution with using diphenhydramine is that it can cause drowsiness.

As previously stated, if you have a very severe rash or if the toxin is inhaled, please seek medical attention immediately.

We all love our summer activities and want to be safe while participating in them. Learning to recognize these pesky plants can be very beneficial. Knowing the treatment for the rash and how to remove the oils can prevent a very unpleasant time.

I hope this has been helpful. Now get out there and enjoy some of the ever changing Ohio summer.

References:

https://www.aad.org/dermatology-a-to-z/diseases-and-treatments/m—p/poison-ivy/tips
http://www.teclabsinc.com/products/poison-oak-ivy/tecnu
http://www.medicinenet.com/poison_ivy_oak_and_sumac/page2.htm
http://www.poison-ivy.org/poison-sumac

poisonSumac

Leaves of Three, Let Them Be: Tips for Preventing and Treating Poison Ivy. By Our June Student Pharmacist, Megan Chaney, Who Suddenly Feels Itchy!

Have you ever wondered: Can I get poison ivy? Not everyone is actually allergic to poison ivy, but up to 85% of Americans are. If you are allergic to poison ivy, there is a good chance you are also allergic to poison oak and poison sumac. All three plants contain the same oil called urushiol (pronounced yoo-ROO-shee-all) which causes you to itch and develop a rash.

There are a few ways you can get poison ivy, such as:

  • Direct contact with the plant.
  • Indirect contact when you touch pets, gardening tools, sports equipment, or other objects that had direct contact with the plant.
  • Airborne contact from burning these plants, which releases urushiol into the air causing the chemical to come in contact with the skin, lungs, or eyes.

After you have come in contact with the oil from the plant, the itchy, blistering rash often does not start until 12 to 72 hours later. The rash itself is not contagious, only the oil from the plant. It might seem to spread, but this is simply a delayed reaction. Scratching the rash doesn’t cause it to spread either, but can cause the skin to take longer to heal and cause additional problems–for example, an infection.

Common symptoms of poison ivy, oak, or sumac include:

  •     Red streaks or patches
  •     Itching/Burning
  •     Rash
  •     Swelling
  •     Blisters that may  leak fluid  and later crust over

Within a week or two most people see the rash begin to clear up. Here are some suggestions to help prevent the spread of the rash, as well as treatment options to help you feel more comfortable until the rash goes away:

  • Immediately rinse your skin with lukewarm, soapy water. Rinsing your skin ensures that you get the oil off of your skin and prevents it from spreading to other areas on your body or even other people.
  • Wash everything that may have the oil on its surface, including things such as gardening tools or pets, to prevent it from spreading.
  • Wash your clothing as soon as possible. The oil can stick to clothing and potentially cause the rash to come in contact with your skin.
  • Leave blisters alone. If blisters open, do not remove the overlying skin, as the skin can protect the raw wound underneath and prevent infection.
  • Take colloidal oatmeal baths to help soothe itching. You can also draw a bath and add one cup of baking soda to the running water for the same results.
  • Apply calamine lotion or hydrocortisone cream to skin that itches.
  • Use cool compresses to itchy skin. You can make a cool compress by wetting a clean washcloth with cold water and wringing it out so that it does not drip.
  • Consider taking antihistamine pills such as Benadryl, Zyrtec, Claritin or Allegra. These pills can help lessen itching. Do not apply an antihistamine to your skin because this could potentially make the rash worse.

If you have a serious reaction, you need to see a doctor right away. Signs of serious reaction include:

  • Trouble breathing or swallowing.
  • The rash covers most of your body.
  • Extreme swelling, especially your eyelids.
  • The rash is on your face or genitals.
  • Much of your skin itches or nothing seems to ease the itch.

Stay clear of poison ivy and enjoy your summer!

http://www.webmd.com/skin-problems-and-treatments/guide/understanding-poison-ivy-oak-sumac-basics

http://www.aad.org/dermatology-a-to-z/diseases-and-treatments/m—p/poison-ivy

 

 

Poison Ivy. You Can Still Get it Even as the Weather Changes! By Our October Student Pharmacist, Tracey Dowdell.

I don’t know about you, but I love going into the woods and escaping from all of the troubles of everyday life and achieving a moment of serenity. Braving the wilderness also means that I will potentially come into contact with some of the negative traits of the woods such as mosquitoes, snakes, spiders, and poison ivy.

In this blog post, I will address the various home treatment options for poison ivy.

Let’s start out with discussing what causes poison ivy. The itchy, blister rash that comes from contact with poison ivy is actually caused by the oil from the plant called urushiol. Even though it may look like everything in the woods is drying out and getting ready for winter, urushiol is still on the leaves and actually may be more abundant due to the dryness and cracking of the leaves. After contact with urushiol, approximately 50% of people develop signs and symptoms of poison ivy. The symptoms and severity differ from person to person.

Common symptoms of poison ivy include:

  • Intense itching
  • Skin swelling and redness
  • Blisters (little bubbles of skin that are filled with fluid)
    • FYI: touching the blisters or the fluid inside the blisters will not spread the rash (only the urushiol oil causes the rash).

The best way to treat poison ivy is to avoid it! Since it is bonfire season, please make sure that there are not any poison ivy plants on the wood that you will be burning. It is possible to get the rash from the oil being vaporized as it burns and coming into contact with your skin.

When you are in the woods, you need to know how to identify poison ivy. We all have heard the saying, “Leaves of three, let them be.” While the rhyming slogan is easy to remember, identifying poison ivy is not always that obvious. See the pictures in this blog to help you know poison ivy when you see it.

What to do when you know you have come into contact with poison ivy:

  • The first thing you should do is thoroughly wash your skin with a mild soap, such as Dial or Dawn dish soap.
    • The key is to not use fancy soaps, because the oils in these kinds of soaps will not allow the oil to be removed from your skin.
    • Don’t forget to thoroughly wash under your fingernails.
    • Next make sure you wash EVERYTHING that may have come into contact with the poison ivy.
      • This includes your clothes, dog/cat, and don’t forget your shoes and shoelaces!

Your rash should go away on its own within one to three weeks, but if the itching is unbearable you can do and use the following over the counter treatments to help relieve the itching:

  • Avoid scratching (scratching actually makes the itch worse).
  • Soak in oatmeal baths.
  • Apply cool, wet compresses such as washcloths or paper towels.
  • Apply calamine lotion.
  • If your rash has blisters and they begin to ooze fluid, use astringents containing aluminum acetate (Burrow’s solution™ or Domeboro™).
  • Steroid creams may be helpful if they are used during the first few days after symptoms develop.
    • Hydrocortisone 1% is available over the counter.
    • Antihistamines do not help to relieve itching caused by poison ivy.
      • The ones that make you sleepy (i.e. diphenhydramine aka: Benadryl™) can help you to ignore the itch while you are asleep.

Treatments you should avoid because they can make your rash worse:

  • Antihistamine creams or lotions (i.e. Benadryl™ or Allegra™ CREAM).
  • Pain relieving creams containing benzocaine.
  • Antibiotic creams containing neomycin or bacitracin (i.e. Neosporin™).

You should see your doctor or nurse if:

  • Your rash is severe.
  • Most of your body is affected.
  • Your face or genitals are affected.
  • You have a lot of swelling.
  • Your rash oozes pus or gives other signs of being infected.
  • Your rash does not get better after two to three weeks.

I hope you can enjoy the wonderful fall weather. I know I will be enjoying the outdoors this season!