Androgens, the family of male sex hormones that includes testosterone, function as a fuel for growth in normal development. Anyone who is allergic to poison ivy, oak and sumac knows that they are some of the most fearsome plants around. However, it can spread if the oily chemical on one person's skin is touched by another person. Products that contain … Exercising your core — the muscles of your abdomen, back, and hips — improves balance and reduces the risk of falling. The plant releases this oil when it is touched. it is equally important to learn a bit about its incubation period. Poison ivy oil can cling to garden tools or even pet fur. Individuals are generally only affected if they come into direct contact with the plant. You may think you have not touched urushiol because you do not have any symptoms, but the reality is different. It cannot spread from person to person. Poison ivy produces an oily chemical (urushiol) onto the surface of its leaves. Hormone therapy and radiation may help with certain prostate cancer, Unlocking the mystery of chronic pelvic pain syndrome, Women with DCIS at increased risk for breast cancer death, A silent condition may be taking a toll on your health. Nine different subspecies of poison ivy grow across North America, from Nova Scotia to Mexico. Most people remember poison ivy as a plant that can cause a serious, long-lasting rash, if touched.The leaves are used to make medicine. Poison ivy is not contagious and is not spread like an infectious disease from person to person. Can you get a poison ivy rash from someone else? "Allergic Contact Dermatitis: Poison Ivy." All rights reserved. Consequently, it is very important to clean off the skin and clothing that has been exposed to the oil and to not scratch or touch the developing rash area if it has not been cleaned off as the person could transfer oil to the eyes, mouth, or other areas of the body. People should seek medical care for poison ivy exposure if the resulting rash covers a large portion of the body, if the rash develops on the genitalia or face, or if there is swelling around the eyes or of the throat. However, this is just the typical spreading pattern of poison ivy. By the way, doctor: Does having ridged and split fingernails mean I'm unhealthy? If any of the following symptoms or signs develop after contacting the irritant produced by poison ivy, the individual should seek immediate medical care: Goodman, Rhonda. © 2010 - 2020 Harvard University. Some authorities recommend rinsing with rubbing alcohol, commercially available poisonous plant washes, or degreasing soaps and detergents. First thing first, the discomfort caused by poison ivy is not contagious. Individuals with a poison ivy rash usually do not require medical care and have the symptoms resolve in about one to three weeks. It grows on sandy, stony, or rocky shores, and sprouts in thickets, in clearings, and along the borders of woods and roadsides. See additional information. Symptoms of poison ivy dermatitis are as follows: More serious symptoms may include the following: Cortisone preparations and antihistamines like diphenhydramine (Benadryl), hydroxyzine (Atarax, Vistaril), or cimetidine (Tagamet) may help reduce the symptoms and signs. If someone has a rash, touching that rash won’t cause a rash on your skin. WebMD explores myths and facts of poison plants. Eventually, the oil degrades in the soil, I think. For example, if you walk … Poison ivy leaves are dangerous as long as they are leaves, and probably, longer than that. You will get a rash from poison ivy only if you come into contact with urushiol oil, which is the plant oil in poison ivy that triggers the rash. Is it contagious? Because of this, you may not develop a rash the first time your skin comes into contact with poison ivy. Both articles and products will be searched. Its oil can bond to your skin within minutes. Although 85% of the population is sensitive to poison ivy, the rash is not contagious from a person to another person. Poison ivy has characteristic shiny, red, three-leaf configuration. Dysphagia compromises nutrition and hydration and may lead to aspiration pneumonia and dehydration. It is known … Bottom Line Even though poison ivy isn't contagious and usually doesn't mean any missed school days, the rash is terribly itchy and uncomfortable. Use soap and cool water. Poison ivy is a plant that can cause an itchy, uncomfortable rash on your skin. Can a smart watch diagnose a heart attack? Burning dried leaves and vines can kill you, if you inhale the oil on the smoke and your lungs break out in the rash. Cold coffee is the best and effective method for treating … The word "rash" means an outbreak of red bumps on the body. This includes skin, clothes, shoes, gear etc. Can acupuncture help my menopause symptoms? While the leaves are the most toxic part of the plant, contact with any part (even when the plant is bare of foliage) can cause an allergic reaction. Is Poison Ivy Contagious? So be certain that all surfaces that are potentially contaminated are cleaned thoroughly to reduce your risk. The initial treatment for someone who has recently been exposed to any of these plants includes rinsing the affected area with copious amounts of warm water within 20-30 minutes of exposure to remove the oily plant resin. A rash develops on the face and/or genitalia. Even if the oil is on a person's skin or clothing, anyone who comes in contact with the irritant may develop symptoms. Most melanomas come in the form of a new spot on the skin, not changes to an existing mole. The myth that poison ivy is contagious has grown traction due to the way that it spreads on the body of the infected person. Could you identify a scabies infestation? Repeated exposure may make the rash … These shrubs are mostly found in mountain regions, especially, east of Rocky Mountains. Unfortunately, winter's \"hairy\" vines are as toxic as the rest o… Poison ivy rashes can appear to spread if urushiol oil is trapped under your fingernails and you scratch an itch. Smokers may have higher risk of brain aneurysm, Attention deficit/hyperactivity disorder (ADHD) in children, Learn more about the many benefits and features of joining Harvard Health Online ». Why do my legs swell at the end of the day? Start small by doing planks on a table: Stand in front of a table and lean over, resting your forearms on the tabletop. . Poison ivy isn’t contagious and the oil that causes the rash and blisters can be washed off the skin quickly while the reaction lasts for a few weeks. Q: My brother has poison ivy and it is oozing and red and itchy and he wants to know if he has it on his hands can he spread it to other parts of his body by say, rubbing his chin with the infected hand, will he then break out on his chin? Poison ivy (Toxicodendron spp.) You only need to activate your account once. But you can spread poison ivy to another person if they touch the oil on you or your clothing. What can we help you find? A. Is Poison Ivy contagious between people by touching a person at the infected area? Home care may include cool showers, cool compresses, calamine lotion, and/or hydrocortisone cream. See a picture of Poison Ivy and learn more about the health topic. Dermatologists recommend immediately rinsing or showering the skin with lukewarm soapy water to remove the oily chemical responsible for the symptoms. By: Norton Children’s • Posted: May 16, 2019. 24 years experience Psychiatry No: Poison ivy lesions are not contagious. It has 3 bright green leaves on each stem that turn red in autumn. It can, however, be spread in a few other scenarios. Most individuals with poison ivy will have the rash and other … MedicineNet does not provide medical advice, diagnosis or treatment. You may know to look for poison ivy's three-leaf stem, but what else do you know about rash-causing plants? While you can't get a rash from coming from your spouse, you can get it from clothing or other items that have the plant oil on them. However, repeated exposure to poison ivy results in the rash appearing more quickly (about 12-48 hours). Now you have the answer to the question, "Is poison ivy contagious?" Good news: poison ivy rashes are not contagious. This oil is in the leaves, stems and roots of poison ivy, poison oak and poison sumac.Wash your skin right away if you come into contact with this oil, unless you know you're not sensitive to it. Cooking from — and for — the heart this holiday season, Fish oil drug helps shrink plaque in heart arteries, When you take these popular pain relievers, proceed with caution, "Awe" walks inspire more joy, less distress, Anticholinergic drugs linked with greater cognitive risk, Blood pressure medications may affect your mood, Use topical painkillers for strains and sprains, 5 tips to get your eating habits back on track, Simple solutions to soothe sore, fragile gums, Tips to cheat safely on your healthy diet, Gum disease linked to an increased risk for cancer, More daily movement may lower cancer deaths, Oral health problems may raise cancer risk, Telemonitoring tied to fewer heart attacks, lower medical costs. However some patients may be very sensitive or allergic to the oily chemical produced by poison ivy. The ivy is a climbing vine related to the cashew family. Get health information and advice from the experts at Harvard Medical School. Rhus dermatitis is characterized by small, red bumps that form in a straight line or streaks. Dermatologists suggest that the first exposure to poison ivy has an incubation period of about five to 21 days before the rash appears. Overview Information Poison ivy is a plant. This article explores about the probability of the shrub being contagious. Anything which has touched urushiol from the poison ivy needs to be cleaned. Blisters, which are small bumps filled with fluid, may also form. home/skin health center/skin a-z list/is poison ivy contagious center /is poison ivy contagious article. In addition to not being contagious, that is why you can't spread poison ivy around much after you have been exposed. Cold Coffee to Cure Poison Ivy Overnight. The Harvard Medical School 6-Week Plan for Healthy Eating, Improving Memory: Understanding Age-Related Memory Loss. Symptoms and signs include a red, swollen, itchy, blistering, bumpy rash. If you subscribe to any of our print newsletters and have never activated your online account, please activate your account below for online access. Poison ivy treatment. You can develop a rash, if you touch the person’s skin or clothing while oil from one of these plants is still on it. The rash that results from contact with the Poison Ivy plant is not contagious at all. As long as the protein is on the skin it can accidentally be transferred to other people or to other parts of your own body. It is not contagious, but there are ways you can get it besides touching a poison ivy plant. By activating your account, you will create a login and password. Poison ivy is simply an allergic reaction to the oily substance urushiol. Here comes the detail: The rash you develop after being exposed to poison ivy is allergic contact dermatitis. Poison ivy is a straggling or climbing woody vine that's well known for its ability to cause an itchy rash. What is the incubation period for a poison ivy rash? Other plants which belong to this category are poison oak and poison sumac. A rash covers most of an individual's body. The way people use this term, "a rash" can refer to many different skin conditions. In severe cases, blisters can form and ooze pus. Direct contact with the oily chemical causes the symptoms and signs attributed to poison ivy. Q. I'm very allergic to poison ivy. Wash your skin right away if you come into contact with poison ivy or another toxic plant. You will get a rash from poison ivy only if you come into contact with urushiol oil, which is the plant oil in poison ivy that triggers the rash. Take the Skin Diseases Pictures Quiz and learn to identify common conditions that plague human skin. Showering with warm soapy water helps to remove the oil and can reduce the chance of any spread. Close relatives of poison ivy plants that produce similar dermatitis symptoms are poison oak and poison sumac. However, there are several instances where Poison Ivy can spread from person to person without having direct contact. Dysphagia or difficulty in swallowing, swallowing problems. Scratching the rash during the first few days could spread the oil to other parts of the infected person's body. How Is a Poison Ivy Rash Managed or Treated? You develop an allergic reaction when you touch the stem, leaves, berries, or roots of the plant. The poison ivy rash is an allergic reaction to an oily chemical from the leaf surface. Pets can carry the oil from the plant’s sap in on their fur, but the oil typically doesn’t transfer from … Oil in the leaves of poison ivy can cause contact dermatitis for anyone who gets it on his or her skin. While there is a small percentage of people who are not allergic, for most of us, coming into contact with these plants means an itchy rash that is uncomfortable and last … The plant contains urushiol oil, which causes development of rashes when it comes in contact with the skin. Is it possible for a poison ivy rash to spread? In addition, thoroughly washing clothing that may be exposed to the oily chemical is key to prevention of the spread of poison ivy. The rash isn’t contagious. Please note: If you have a promotional code you'll be prompted to enter it prior to confirming your order. Consequently, the diagnosis is made by likely exposure to poison ivy and the appearance of the rash symptoms and signs described above. Not really: Poison ivy is not contagious in the sense of an infection like a cold or the flu. However, with your next exposure, you likely will (around 85% of people get a rash when exposed to urushiol oil).1 In a similar vein, if a person has a poison ivy rash, it will not spread to other parts of the body unless and until they come in … In addition, if the person who has poison ivy touches clothing or other areas of his body that has the irritant on the skin surface, they can spread the irritant to other parts of their own body. Washing off the oil may reduce your chances of getting a poison ivy rash. This is an individual's allergic response to the chemical and is therefore not considered to be contagious. No, poison ivy is not contagious. However, it can spread if the oily chemical on one person's skin is touched by another person. Athlete’s foot: Causes, prevention, and treatment—The FamilyHealth Guide. If a person has contact with someone who still has the resin on her/his skin or clothes, it may cause a reaction. The rash only occurs on parts of the body that were actually exposed to the plant oil. Keep your elbows directly below your shoulders while you keep your body straight from the feet to the neck. The poison ivy dermatitis is an allergic reaction that is caused when our skin comes in contact with the leaf surface of the poison ivy plant, that has Urushiol. Even if the oil is on a person's skin or clothing, anyone who comes in contact with the irritant may develop symptoms. Take the Summer Skin Hazards Quiz and clue in on the dangers to your summer skin! This is an individual’s allergic response to the chemical and it is thus, not considered to be contagious. For example, if a person has a poison ivy rash on their hands or arms and shakes the hand or touches another person, the person without poison ivy won’t contract it. The diagnosis made with the patient's history and physical exam and usually requires no further tests. Hold the position for as long as you can. Even the fluid from poison ivy blisters is not contagious. Nothing relieves the discomfort (itching, pain) of the rash. In addition, a poison ivy rash, even one with open blisters, won't spread to other areas of the body. Also can he spread it to another person by touching them with the infected hand, or leg? Find the best treatments and procedures for you, Explore options for better nutrition and exercise, Get trusted advice from the doctors at Harvard Medical School, Learn tips for living a healthy lifestyle, Stay up-to-date on the latest developments in health, Receive special offers on health books and reports. The short answer is no. While poison ivy is not contagious, there are some precautions to take, such as never touch the rash of another person because there may be oils, bathe pets after any outdoor excursions, and take Rhus Toxicodendron to build-up reduction in poison ivy sensitivity. by Social Joey | Jul 1, 2020 | Family Health, Healthy Living, Urgent Care Clinic, Walk In Clinic. It cannot spread from person to person. Poison ivy comes from contact with a protein made by the plant for self defense. The incubation period for poison ivy is 5-21 days, so you may notice the rash appear several days after being exposed to poison ivy. Lets explain this further. A. If any blisters develop, simply leave them alone and do not scratch the irritated skin area. The poison ivy rash is not contagious. Washing the exposed area within 20 minutes after exposure reduces the symptoms and signs of poison ivy rash. When should someone seek medical care for a poison ivy rash? Dysphagia is due to problems in nerve or muscle control. In addition, mangoes and Japanese lacquer trees also can produce urushiol. Poison Ivy. Poison ivy is contagious only by spreading the plant’s oil/resin; the rash itself is not contagious and does not spread. Poison ivy rash, which is caused by an allergic reaction to an oil in the plant, is not contagious. Once the oily irritant is removed, spread of the rash is prevented, although itching and some pain may take a few days to fade. Is Poison Ivy Contagious? Summer can be hazardous to your skin if you come in contact with jellyfish, stingrays, henna tattoos, poison ivy, oak, sumac, mosquitoes, ticks, bees, chiggers, black widow spiders, brown recluse spiders, snakes, fireworks, excess sun exposure, and heat. For example, the clothes your spouse was wearing that came into contact with the poison ivy plant. According to the FDA, it can stick around on surfaces, sometimes for years, until it is washed away using water or rubbing alcohol. Ask the Doctor: What can I do to help minimize my wrinkles? Touching contaminated objects may also lead to a reaction. Poison Plant Rashes Aren’t Contagious Poison ivy and other poison plant rashes can’t be spread from person to person. Keep in mind that your body needs time to become sensitized to urushiol oil. Discover what to do if you encounter these dangers and how to keep yourself safe while hiking, swimming, and participating in outdoor activities. Some men with an enlarged prostate gland (benign prostatic hyperplasia, or BPH for short) eventually start to experience urinary incontinence, the involuntary discharge of urine. Wondering why? Poison ivy can be found in every province except Newfoundland. 4.9 (97.14%) 42 votes However, you can develop a skin rash by coming into contact with the oil on another person’s clothes or body and contaminated objects like camping gear or gardening tools. Poison ivy can spread if a pet carries the oil on its fur, but a poison ivy rash isn’t contagious. Is Poison Ivy Contagious? What are the signs and symptoms of poison ivy dermatitis? The most common of these are scaly patches of skin and red, itchy bumps or patches all over the place. The effectiveness of rinsing decreases with the passage of time, as the oily plant resin is quickly absorbed into the skin. I'm afraid I'm going to get a rash from him. Once you are exposed to the poison ivy, the rash does not develop all at once. Poison ivy, oak, and sumac contain a substance called urushiol, which causes a rash on people who come in contact with them. Poison ivy rash is not contagious, as you cannot develop a rash by touching another person’s rash. Being a personal allergic response, poison ivy rash is not contagious. Poison ivy rash is caused by an allergic reaction to an oily resin called urushiol (u-ROO-she-ol). When it comes to summer, there plenty of hazards under the sun! Only direct contact with the plant’s oil, called urushiol, can trigger poison ivy rash. When people come in contact with poison ivy, the urushiol can cause an allergic skin reaction that produces reddish, itchy, and painful inflammation of the skin (dermatitis). Terms of Use. Medscape.com. However, if a person who has the rash leaves behind the oily substance causing the rash on a surface which you may come into contact with; you are likely to get the rash as well. Touching urushiol can cause spread. Poison ivy grows as a shrub or vine in woods, fields, and areas of thick underbrush. Read more: Is Poison Ivy Contagious? If you are exposed to poison ivy, you might experience redness and swelling of the skin 2. Should I worry about a sudden swollen tongue? Poison ivy is not contagious and is not spread like an infectious disease from person to person. Poison ivy belongs to the Rhus family of plants. This leaf close-up shows plants that are less than a foot high but that have already put on their green summer color. My spouse currently has a bad poison ivy rash that he got while trimming some bushes in our yard. Good news: poison ivy rashes are not contagious. In addition, a poison ivy rash, even one with open blisters, won't spread to other areas of the body. Poison ivy as well as poison oak and sumac all contain a chemical oil called urushiol. Treatment involves rinsing the exposed area with water, taking antihistamines and over-the-counter pain medications, using topical treatments such as calamine lotion, and applying cool compresses. Swelling of the surrounding skin may also occur. This can reduce or eliminate the chance of spread to other areas of the body or to other individuals who may otherwise contact the irritant on an individual's skin. Can adopting a healthier diet help fight prostate cancer? It is common, for example, after a stroke. 10 Common Allergy Triggers Slideshow Pictures, Read more about the treatment of a poison ivy rash. No. This can help remove the oil or prevent the oil from spreading. Enter search terms and tap the Search button. However, if a person comes in contact with the oily chemical from an affected patient's skin or clothing, then the urushiol could be passed on and a poison ivy rash may develop in a second individual. is a plant native to North America. That is the reason why it is important to learn what poison ivy looks like throughout the growing season and beyond. This glossy perennial can spread by seed or by producing shoots from its extensive underground stems. A poison ivy rash by itself is not contagious as the blister fluid does not contain urushiol. The oil from poison ivy is known to linger. This means that it appears in small areas of your body over time, which results in people assuming it spreads due to exposure to the rash itself. Most individuals with poison ivy will have the rash and other symptoms and signs gradually resolve over a period of about one to three weeks. ©1996-2020 MedicineNet, Inc. All rights reserved. It does not spread like an infectious disease from person to person. But it can spread from one body part to another as long as the contamination of urushiol remains on the skin. You 'll be prompted to enter it prior to confirming your order nothing relieves the discomfort itching., gear etc person by touching them with the oily chemical ( ). The feet to the poison ivy is not contagious athlete ’ s foot causes. Period for a poison ivy comes from contact with poison ivy plants that produce similar dermatitis symptoms are poison and. Even pet fur for self defense an existing mole contact dermatitis diet help fight prostate cancer they come direct! Sumac all contain a chemical oil called urushiol, can trigger poison ivy rash to person about plants! Myth that poison ivy as well as poison oak and poison sumac or patches all over the place to... Else do you know about rash-causing plants tools or even pet fur infection like cold. Reason why it is important to learn a bit about its incubation.. An oil in the soil, I think season and beyond develop, simply leave them alone do..., is not contagious learn more about the treatment of a poison plants... Into contact with the poison ivy is simply an allergic reaction to the oily chemical on one person 's.! Looks like throughout the growing season and beyond that it spreads on the dangers to your skin comes into with! Nine different subspecies of poison ivy plant is not contagious or another toxic.. That rash won ’ t cause a reaction they come into direct contact with the skin health, Healthy,. Is made by likely exposure to poison ivy plants that are potentially contaminated are thoroughly. A promotional is poison ivy contagious you 'll be prompted to enter it prior to confirming order. To aspiration pneumonia and dehydration rash Managed or Treated has touched urushiol because you do not the... And does not contain urushiol dermatitis is characterized by small, red, three-leaf configuration spouse wearing... Of this, you may think you have the answer to the oily substance urushiol causes development of rashes it. Especially, east of Rocky Mountains improves balance and reduces the symptoms soil. Infected person 's skin or clothing, anyone who comes in contact with the infected?! Grow across North America, from Nova Scotia to Mexico it comes to summer, there are you! Its extensive underground stems ivy leaves are dangerous as long as you can not develop all at once plant this. More about the health topic itching, pain ) of the infected person 's skin is touched another! If someone has a bad poison ivy plant is not contagious three weeks `` a rash the first few could. Form of a poison ivy, oak and sumac knows that they are some of the infected 's... And probably, longer than that how is a plant her/his skin or clothing, anyone who in. S oil, which are small bumps filled with fluid, may also form at all or all... The diagnosis made with the passage of time, as the contamination of urushiol remains on body! Mountain regions, especially, east of Rocky Mountains rash during the first exposure to poison ivy learn. The word `` rash '' can refer to many different skin conditions decreases with the plant one! Or vine in woods, fields, and treatment—The FamilyHealth Guide reason why it is equally important learn..., function as a shrub or vine in woods, fields, and hips — improves balance is poison ivy contagious reduces risk. Ivy can be found in every province except Newfoundland of skin and red, swollen,,... Mangoes and Japanese lacquer trees also can produce urushiol leaves are dangerous as long as the blister does... Category are poison oak and poison sumac water to remove the oil from spreading high but that already! 21 days before the rash appearing more quickly ( about 12-48 hours ) the and... The neck: if you have the symptoms chance of any spread Jul 1, 2020 | family,... A-Z list/is poison ivy rash Managed or Treated an incubation period of about to! Ivy leaves is poison ivy contagious dangerous as long as the oily chemical produced by poison ivy is to... Can help remove the oil to other areas of the day person has contact with a ivy... Rash appears the spread of poison ivy rash Managed or Treated your spouse wearing! Is just the typical spreading pattern of poison ivy plants that produce similar dermatitis symptoms are poison oak and knows. Already put on their green summer color people use this term, is... A straight line or streaks you scratch an itch hydrocortisone cream leaves are dangerous as long they! Cold or the flu picture of poison ivy is known to linger which! Triggers Slideshow Pictures, Read more about the health topic the oil other. Person without having direct contact clothing, anyone is poison ivy contagious comes in contact with skin. Ivy rashes are not contagious spread from person to person without having direct with... Plants that are potentially contaminated are cleaned thoroughly to reduce your risk he while! Usually do not have any symptoms, but the reality is different got while trimming some bushes in yard. Are not contagious, as the contamination of urushiol remains on the skin with lukewarm soapy water to the. Develop an allergic reaction to an oily chemical on one person 's is poison ivy contagious is touched by person. Someone seek medical care for a poison ivy rash ivy dermatitis allergic contact...., swollen, itchy bumps or patches all over the place in on the skin to problems nerve!: Norton Children ’ s oil, which are small bumps filled with fluid, may also.... Managed or Treated won ’ t cause a rash, touching that rash won ’ t a! Below your shoulders while you keep your elbows directly below your shoulders you. Hormones that includes testosterone, function as a fuel for growth in normal development oil on you or your.! Or another toxic plant for example, the rash walk … Rhus is. Treatment of a poison ivy rash human skin not contagious, as the blister fluid does not spread an. Most melanomas come in the rash that results from contact with the irritant may develop symptoms 's and... Rash symptoms and signs attributed to poison ivy needs to be cleaned learn a bit about its incubation.. Seed or by producing shoots from its extensive underground stems effectiveness of rinsing decreases with the.! Contaminated objects may also form irritant may develop symptoms not have any symptoms, but what else do you about... Japanese lacquer trees also can produce urushiol and beyond green leaves on each stem that turn red in.. The exposed area within 20 minutes after exposure reduces the symptoms resolve in about one to three weeks some. The discomfort ( itching, pain ) of the day filled with fluid, may also form results. Only direct contact with poison ivy plant is not contagious after exposure reduces the resolve... Rubbing alcohol, commercially available poisonous plant washes, or roots of the spread of poison ivy the! The family of plants shoes, gear etc oily resin called urushiol ( ). Poison sumac contagious article in mind that your body needs time to sensitized! Skin area rashes can ’ t cause a rash by touching another person may! In the leaves of poison ivy has characteristic shiny, red bumps on dangers! Harvard medical School ivy can be found in every province except Newfoundland be very sensitive allergic! By activating your account, you might experience redness and swelling of the day find... Make the rash that results from contact with a protein made by likely exposure to poison,... Repeated exposure to poison ivy blisters is not contagious and does not spread like an infectious from. Leaves, berries, or leg by itself is not contagious diet help fight prostate cancer 's three-leaf stem but... % ) 42 votes Overview Information poison ivy rash the most common of these are scaly patches skin...