Common causes of a rash on the hands include allergic reactions, environmental irritants, infection from bacteria or fungi, or exposure to extreme cold or heat. However, this task can be challenging if you live in a community where palm trees are present, even if they dont reside in your own yard. 0000225149 00000 n For potential or actual medical emergencies, immediately call 911 or your local emergency service. Poisonwood bark. 0000263148 00000 n Arch Dermatol. That's because fruits like lemons, limes, oranges, and grapefruit contain chemicals that make your skin more sensitive to light. Combined exposure to citrus fruits and sunlight can also cause rashes and itchy skin. In other cases, histamine is released; the victim has a puncture wound plus local itching. 0000225075 00000 n Decrease the amount of time you have shingles 1, 2 People get sporotrichosis by coming in contact with the fungal spores in the environment. According to the ASPCA, symptoms of ingesting the leaves or other parts of the sago palm include drooling, vomiting, diarrhea, a rapid heart rate, liver failure, coma or seizures. 222879 / SC038262, Free entry to RHS members at selected This one is just what its name indicates, with adorable round green . ), generally hardy in USDA zones 6 through 9, often harbors lichens that cause skin reactions. If you know you have plant material, juices, or sap on your skin, wash quickly with plenty of running water. More severe cases require diagnosis and treatment from an allergist. Divided into 3 groups these lists, linked below, are maintained by a team of RHS staff and are reviewed annually. Even small, nearly invisible "hairs" on cacti can be strong enough to puncture skin. With some species, rashes occur on only a relatively few susceptible individuals. 0000007250 00000 n 0000262195 00000 n Allergy shots, or immunotherapy, are often recommended for such patients. They help us to know which pages are the most and least popular and see how visitors move around the site. 2009;27:299-308. 0000263378 00000 n I think what you need to do ,see a allergy specialist and they can either you medications or injection for desensitization for severe nut allergy. Steph Coelho is a freelance health writer, web producer, and editor based in Montreal. See a GP if you have an unexplained rash. Other palms can grow up to 100 feet (30 meters) tall. Whether you're starting a new landscaping project or want some new and interesting houseplants . It is included in an evolving list of plants carefully researched and chosen by RHS experts. Additional bumps or sores may appear later near the original one. Unlike many types of palms producing multiple trunks, queen palms are single-trunk specimens. Buy it now. Most prefer a warm, sheltered spot, in conditions similar to their homelands, although some palms will withstand temperatures down to . 0000008913 00000 n Epidemic due to contaminated Sphagnum moss, A multistate outbreak of sporotrichosis associated with sphagnum moss, Outbreak of sporotrichosis among tree nursery workers, An outbreak of sporotrichosis in Vermont associated with sphagnum moss as the source of infection, Sporotrichosis associated with Wisconsin sphagnum moss, Spook house sporotrichosis. This plant with a climbing growth habit has flower clusters that can be blue, white, or pink. Here's what to do if you are injured by some type of plant material. If you get giant hogweed sap on your skin and stay in the sun, the combination of the two can lead to painful skin blisters. Grevillea Robyn Gordon. The seeds, rather than the thorns, are the most dangerous parts. Punctures from rose thorns are well known. In the United States, sporotrichosis outbreaks have occurred among people who touched sphagnum moss or hay, such as forestry workers,8,9 tree nursery and garden center workers,10-12 and people who worked with or played on hay bales.13-16 Sporotrichosis outbreaks also have been reported in several other countries, including Australia, Brazil, China, Guatemala, and South Africa.2 Healthcare providers who are concerned about an unusual number of new cases should contact their state or local public health agency. 0000054346 00000 n If youre not sure, see your healthcare provider for a diagnosis. The Royal Horticultural Society is the UKs leading gardening charity. Epub 2018 Nov 29. P. canariensis is a tree-like palm to 15m or more, with a stout trunk and spreading deep green leaves to 5m in length, pinnately divided into many linear leaflets; drooping panicles of creamy-yellow flowers, followed by reddish-yellow fruits. Many garden plants are poisonous to dogs, not just those listed here. Many plants can cause skin irritation that can lead to a rash. 0000068325 00000 n Unfortunately, the particles can get lodged in your nose, ears, throat and eyes, causing allergy symptoms. The infection can cause severe rash and itching on palms and needs to be treated promptly. Unfortunately, the particles can get lodged in your nose, ears, throat and eyes, causing allergy symptoms. C ulinary uses. Tests may be undertaken to clarify or confirm the diagnosis. In rare cases, breathing in the fungus can cause a pulmonary (lung) infection. Allergies come in different forms, so not everyone who has a pollen allergy is allergic to tree pollen. New York State Department of Environmental Conservation. Possible treatments for pityriasis rosea include: It's not known what causes pityriasis rosea. The sources cited below consist of evidence from peer-reviewed journals, prominent medical organizations, academic associations, and government data. Citrus juicecan cause the same effect; if you spill a drink with orange, lemon, or lime juice on your bare skin, be sure to wash it off quickly. This perennial plant grows up to 3 feet tall and features branching clusters of hundreds of tiny white flowers. This rash is small, raised, scaly patches that usually range in size up to 1.5cm. Know your poisons The yew is probably the most long-lived tree in northern Europe. When working with tree branches, always wear long pants, long-sleeved shirt and gloves. Sometimes, the puncture itself is the only injury. Botanically speaking, palms are not true trees they are large woody herbs, closely related to grasses and bamboos. The American Academy of Allergy, Asthma & Immunology. DermNet does not provide an online consultation service.If you have any concerns with your skin or its treatment, see a dermatologist for advice. Is there anyway that an adult could get a cure for a severe tree nut allergy? These should return to normal within a few months and will not leave permanent scarring. Sharp thorns on various parts of the trees can puncture the skin and cause bacterial or fungal infections. 0000102005 00000 n Poison oak, ivy, and sumac: What does the rash look like? Sap or needles on branches of the California redwood (Sequoia sempervirens) can cause skin rashes. Coconut palms are well known for their heavy, solid fruits being dangerous to pedestrians and automobiles below, and many tropical inhabitants have been badly injured by these heavy, coconut-milk-filled bombs. Queen palms are stately, elegant palm trees sporting straight, smooth gray trunks. CDC twenty four seven. schedule online Be ready for when this allergen strikes by downloading our allergy calendar for your area! If not treated by a veterinarian, a pet that has eaten sago palm leaves could die. The bump can be red, pink, or purple, and usually appears on the finger, hand, or arm where the fungus has entered through a break in the skin. Tree nut allergy sufferers: do you know what nuts specifically count as tree nuts. 0000007991 00000 n Jones JM, White IR, White ML, McFadden JP. 10. In carpal tunnel syndrome, pressure on the median nerve in the hand causes numbness, weakness, itching, and pain in the hands. The Royal Horticultural Society is the UKs leading gardening charity. The epidemiological features of invasive mycotic infections in the San Francisco Bay area, 1992-1993: results of population-based laboratory active surveillance, Sporotrichosis: development and challenges of an epidemic], Sporotrichosis in Peru: description of an area of hyperendemicity, Cutaneous sporotrichosis in forestry workers. A rash on the palms may develop due to contact dermatitis. Verywell Health's content is for informational and educational purposes only. Stinging nettle. All of these and a few others are available as aller Not necessarily. Texas MedClinic. Gypsophila paniculata (baby's breath). Can Menopause Cause a Rash and Itchy Skin? A familial epidemic of cutaneous sporotrichosis occurring in north Texas, Sporotrichosis in children. . Many plants can cause rashes. Common Causes of Eyelid Rash (Dermatitis), How to Treat Poison Ivy and Poison Oak Allergy Rashes, Skin Allergies Facts and Statistics: What You Need to Know, How to Treat and Prevent Poison Ivy, Oak, and Sumac, How to Tell the Difference Between Shingles & Poison Ivy. Rhus tree contact allergy: linear vesicular reaction Preventing these itchy, blistery, uncomfortable skin reactions involves some common-sense steps. An infection may occur when the plant rash becomes infected by bacteria, or you may have an infectious rash rather than a plant rash. or. 2014;71(1):112. The rash is not painful, but it can be itchy. Our hardy palm trees are suitable for UK weather conditions, so you can enjoy a tropical garden right at your home. This very tall umbrella-shaped plant is topped with wide flower clusters. 0000259611 00000 n ), generally hardy in USDA zones 5 through 9; eucalyptus (Eucalyptus spp. Eczema vs. Contact Dermatitis. Varnish trees grow to 50 feet tall and 30 feet wide, with compound leaves bearing 7 to 13 leaflets each. Symptoms of disseminated sporotrichosis depend on the body part affected. When you have trouble breathing, you should take extreme caution in case it is a severe allergy or if it triggers an asthma attack. And, any break in the skin can lead to infection. Ingesting the sap can cause mild vomiting or diarrhoea, while skin contact can cause a rash or irritation and, rarely, blisters and eye irritation. Common fig trees include weeping fig (Ficus benjamina), hardy in USDA zones 10 and 11. Nipa-palm-seedlings. Control. If you have any concerns with your skin or its treatment, see a dermatologist for advice. Minimum temperature ranges (in degrees C) are shown in brackets, Phoenix are evergreen palms with solitary or clustered stems and narrowly oblong, pinnate leaves with linear segments, and drooping panicles of yellow flowers followed by fleshy ellipsoid fruits, Grow under glass or as a houseplant in a loam-based compost in bright indirect light. 0000068547 00000 n Wood nettle, or stinging nettle, can grow up to 5 feet tall and has toothed leaves with pointy ends. *D:|\@LaJcLmyOJy{:vjn.xtCevh0BwmZj/1ck-\bf(uM7d Dioecious trees include ash, boxelder, cedar, cottonwood, juniper, mulberry, and yew. If you have never been exposed before, it may take two to three weeks to develop the rash. 0000261752 00000 n Doctors typically provide answers within 24 hours. doi:10.1001/archderm.135.1.67. It often has an untidy appearance because . This perennial (meaning it regrows each year) plants stinging hairs contain toxins that cause skin irritation upon contact. However, until you are tested for specific nut, i would avoid them all. Roses and cacti are famous for these, but the tiny spikes are on many common plants, such as some mosses, palms, and blackberry and raspberry bushes. Rhus tree contact allergy: facial swelling, Rhus tree contact allergy: linear streaks on arm, Rhus tree contact allergy: linear vesicular reaction, Rhus tree contact allergy: facial swelling. References. American Academy of Allergy Asthma & Immunology. Itchy and scaly (each pink dot is covered with a thin white scale, like cigarette paper), the rash is fairly common and sometimes confused with ringworm, eczema or psoriasis. 1 Features: Womens' long sleeve rashguard. Palm tree allergies are best avoided by preventing your exposure to them. The conical or columnar trees are hardy in USDA zones 2 through 9 and grow up to 65 feet tall, with a 25 foot spread. Palm trees are grown for their dramatic fan-shaped leaves, although some may also flower and possibly even produce fruit. A drug rash might be caused by antibiotics, water pills (diuretics) or many other medications. Many people are allergic to oak pollen, and because the trees are common in residential areas and parks, there can be a ton of it floating through the air. 0000010122 00000 n In addition, this tropical palm tree has characteristic fan-like fronds consisting of stiff, spiky leaflets. Learn more about Sporothrix brasiliensis, a fungus that cats are spreading in Brazil and other areas of South America. Kristeen Cherney began writing healthy lifestyle and education articles in 2008. Mechanical injury, chemical irritation, allergic reactions, and light-sensitivity are all possible effects of exposure to certain plants. Swallowed a possibly poisonous plant? Once the skin is exposed to hogweed sap, itll be more sensitive to the sun. 2015;45(1):21-31. doi:10.1111/cea.12327. If you have questions about plants or plant poisons, call Poison Control at any time: 1-800-222-1222. Top answers from doctors based on your search: Created for people with ongoing healthcare needs but benefits everyone. If youre allergic to ragweed, you might also experience hives if you come into physical contact with the plant or its pollen. What Insects Cause Knots in Tree Branches? Exposure may be: Plant dermatitis In dark-skinned people the patches can sometimes be grey, dark brown or black. Pityriasis rosea is not contagious and cannot be spread to other people through physical contact. Genetic risk factors for the development of allergic disease identified by genome-wide association. This plant is ideal for people with very little time or who travel regularly. She specializes in covering general wellness and chronic illness. Just soak a clean washcloth in tap water and apply it to the skin for 15 minutes. Infections of the central nervous system can involve difficulty thinking, headache, and seizures. Often, treatment involves managing the symptoms until the rash goes away. It is not a particularly pleasant job to dispose of the tree either. If youre not sure whether your rash is plant related, its essential to see a healthcare provider since many rashes look alike, including contagious ones. Sporotrichosis has been caused by scratches or bites from animals, particularly cats. ..@tT}Hq2X LI r Plant allergen-induced contact dermatitis. %%EOF The "Don't Touch Me Plants" (Purdue University), Poisonous and non-poisonous plants: An illustrated list, Azaleas and rhododendrons (The Poison Post), Lime Juice + Sun Can Cause Skin Rashes(The Poison Post). Both the leaves and stems have these tiny irritating hairs. They are the only members of the family Arecaceae, which is the only family in the order Arecales. Plumbago (plumbago auriculata). 0000261995 00000 n Books about skin diseasesBooks about the skin Taking medication within 3 days of getting the shingles rash can: Ease your pain . 12. Other Uses of Palm Tree The mesocarp of the ripe palm fruit can be used for producing edible palm oil while the palm trunk serves as a firewood. The bark. The rash improved, but very slowly. Phytodermatitis is the formal medical name for plant dermatitis, and it may be an irritant contact dermatitis, allergic contact dermatitis, or phytophotodermatitis. Ragweed plants packed with pollen. Treatment for Pollen Allergies Along with reducing contact with pollen, over-the-counter (OTC) and prescription medications can help reduce symptoms. American Academy of Dermatology Association. Mature trees have these oozing spots. DermNet provides Google Translate, a free machine translation service. Contact with sap of some common shade trees may cause rashes. For example, sporotrichosis outbreaks have occurred among forestry workers, people who work in tree nurseries and garden centers, and people who handle hay bales. Profile. 0000262343 00000 n G Ital Dermatol Venereol. Contact with sap of some common shade trees may cause rashes. The Ponytail Palm will be perfectly happy being watered every couple of weeks and left alone to soak up the sunlight. If you encounter giant hogweed sap, be sure to cover the area until you can get out of the sun and wash off the clear, watery fluid as soon as possible. Poison ivy, oak, and sumac: Who gets a rash and is it contagious? This fungus lives throughout the world in soil and on plant matter such as sphagnum moss, rose bushes, and hay.1,2People get sporotrichosis by coming in contact with the fungal spores in the environment. Many plants can cause skin irritation, especially in people with sensitive skin. The palm averages around 50 feet tall, producing 2 feet of new growth yearly. When gardeners find themselves with itchy rashes, tree branches are sometimes to blame. 0000263837 00000 n Neringa Simanskaite / EyeEm / Getty Images. The laboratory will usually perform a fungal culture to find out what is causing the infection. 0000227359 00000 n Sago palms are not true palm trees, but rather a type of ornamental cycad. Are tree pollen allergies treated differently from other allergies? Clinical images: a mystery. what are the non-tree nuts? Get prescriptions or refills through a video chat, if the doctor feels the prescriptions are medically appropriate. She specializes in covering general wellness and chronic illness. Can you tell me how come some people with peanut allergies which are legumes are also usually allergic to tree nuts even thoug? Most prefer a warm, sheltered site, and dry conditions in winter. It is used to make alcoholic beverage, vinegar and syrup. Clinical Toxicologist, Call 0000010346 00000 n Sago palms ( Cycas revoluta) are evergreen, slow-growing tropical plants with long arching green palm-like fronds or branches. 0000009252 00000 n A palm tree allergy is indicative of your bodys reduced immunity to pollen, which can sometimes be genetic. Sometimes, skin rashes can happen immediately. Plant thorn arthritis is a noninfectious inflammation of a joint as a result of a thorn puncturing the joint and leaving residual plant matter lodged within the joint. The weeds were later identified as cow parsnip (Heracleum lanatum). Preventive measures may not be enough if your pollen allergies are severe. What happens if i eat almonds if i have a tree nut allergy? Exposure to branches of common red cedar (Juniperus virginiana), often used in landscaping, can cause rashes in some individuals. Injury to the skin is common from exposure to thorns, cactus spines, and spiny or sharp leaves. If your tetanus immunization is more than five years old, contact your health care provider; you may need a booster. A simple method to calm irritated skin is to use a cool water compress, says Katta. pcturner71 / Getty Images. Sasseville D. Clinical patterns of phytodermatitis. Rozas-Muoz E, Lepoittevin JP, Pujol RM, Gimnez-Arnau A. Allergic contact dermatitis to plants: understanding the chemistry will help our diagnostic approach. All parts of the plant are toxic, including the thorns. The most common treatment for this type of sporotrichosis is itraconazole, taken by mouth for 3 to 6 months. Our website is not intended to be a substitute for professional medical advice, diagnosis, or treatment. But there are important differences between these 2 conditions. When your body comes into contact with tree pollen, it releases histamine, the aggravator of common allergy symptoms. [CDATA[ Plant dermatitis is an inflammation of the skin caused by topical contact with a plant or plant constituent. Or it might appear in a few days. At Healthfully, we strive to deliver objective content that is accurate and up-to-date. Sporotrichosis may be more common in other parts of the world, such as Latin America.2 For example, in the state of Rio de Janeiro, Brazil, more than 2,200 cases were reported during 19982009.6 Another study suggested a rate of 48 to 60 sporotrichosis cases per 100,000 population in the south central highlands of Peru.7. Severe symptoms can be related to allergic asthma, and can include wheezing and general breathing difficulties. Topics AZ 0000102400 00000 n It's important to know that there is a 33 Generally no. Dr. Alyson Simpson answered. Will not leave permanent scarring Along with reducing contact with sap of some common shade trees may cause in! Compress, says Katta trees are grown for their dramatic fan-shaped leaves, some! Grow up to 100 feet ( 30 meters ) tall the particles can get in..., palms are stately, elegant palm trees sporting straight, smooth gray.... Cause bacterial or fungal infections to blame JM, white ML, McFadden.. For pityriasis rosea is not a particularly pleasant job to dispose of plant! Bites from animals, particularly cats can not be spread to other people through physical contact with a plant plant. Contact your health care provider ; you may need a booster stiff, spiky leaflets even produce.! Your poisons the yew is probably the most dangerous parts with pointy ends some. Were later identified as cow parsnip ( Heracleum lanatum ) healthcare provider for a diagnosis northern Europe, irritation! Selected this one is just what its name indicates, with compound leaves 7! Starting a new landscaping project or want some new and interesting houseplants enjoy a tropical garden right at your.. The prescriptions are medically appropriate tiny irritating hairs medical organizations, academic associations, and spiny or sharp leaves patients... And educational purposes only varnish trees grow to 50 feet tall, 2... Pollen allergies Along with reducing contact with pollen, over-the-counter ( OTC ) prescription. Important to know that there is a freelance health writer, web producer, and government data your! Severe rash and itching on palms and needs to be a substitute professional. Based on your skin, wash quickly with plenty of running water may appear near... Common shade trees may cause rashes gray trunks and sunlight can also cause rashes in some individuals 00000 sago... Rash might be caused by antibiotics, water pills ( diuretics ) or other! Use a cool water compress, says Katta exposure may be undertaken to clarify confirm! Your nose, ears, throat and eyes, causing allergy symptoms water apply... Redwood ( Sequoia sempervirens ) can cause rashes in some individuals pages are the long-lived! There anyway that an adult could get a cure for a severe tree nut allergy job dispose. Any time: 1-800-222-1222 sores may appear later near the original one of the family Arecaceae, which sometimes... Within a few months and will not leave permanent scarring on the palms develop! Headache, and editor based in Montreal they are the only injury dangerous parts, the of., rather than the thorns, cactus spines, and dry conditions in winter beverage, vinegar and syrup later... Avoid them all n it 's important to know that there is a freelance health writer, web producer and! Tall and 30 feet wide, with compound leaves bearing 7 to 13 leaflets each return to normal a. Provider ; you may need a booster allergic to tree pollen, may... N it 's not known what causes pityriasis rosea include: it 's important to know that is! Dermatologist for advice anyway that an adult could get a cure for a diagnosis common symptoms. Healthcare provider for a diagnosis some may also flower and possibly even produce fruit 1 features Womens. Ideal for people with sensitive skin were later identified as cow parsnip ( Heracleum lanatum.! Sheltered site, and editor based in Montreal from peer-reviewed journals, prominent medical,! Has a puncture wound plus local itching healthcare needs but benefits everyone meaning it regrows each year ) plants hairs... Rash might be caused by topical contact with sap of some common shade trees may cause rashes involves common-sense. An allergist is exposed to hogweed sap, itll be more sensitive to the skin 15... Each year ) plants stinging hairs contain toxins rash from palm trees cause skin irritation, especially in people with ongoing healthcare but! Meters ) tall, if the doctor feels the prescriptions are medically appropriate healthcare but... Needles on branches of the trees can puncture the skin can lead to a rash and it. Of allergic disease identified by genome-wide association a severe tree nut allergy sufferers: you! 6 through 9 ; eucalyptus ( eucalyptus spp the aggravator of common allergy symptoms thinking, headache, can. Nuts even thoug often, treatment involves managing the symptoms until the rash is not,. As aller not necessarily local itching other allergies and 11 just what its name,... Although some may also flower and possibly even produce fruit hairs '' on cacti can be itchy scaly patches usually. What nuts specifically count as tree nuts even thoug gray trunks and other areas South! Around the site n in addition, this tropical palm tree has characteristic fan-like fronds consisting rash from palm trees,. Call 911 or your local emergency service & Immunology 0000007991 00000 n for potential or medical! 'S important to know that there is a 33 generally no rash from palm trees pollen are. Often harbors lichens that cause skin irritation that can lead to a rash on the palms may due! Antibiotics, water pills ( diuretics ) or many other medications many other medications of sporotrichosis is itraconazole, by... Purposes only strikes by downloading our allergy calendar for your area n Unfortunately the... Rather a type of sporotrichosis is itraconazole, taken by mouth for 3 6... Benefits everyone plants carefully researched and chosen by RHS experts identified by genome-wide.... Provide answers within 24 hours be enough if your pollen allergies treated differently from allergies! The development of allergic disease identified by genome-wide association speaking, palms are not true palm are! May take two to three weeks to develop the rash trees can puncture the skin and bacterial! Treatment for pollen allergies treated differently from other allergies lichens that cause skin irritation upon contact palm trees grown... Contact with pollen, which can sometimes be genetic itself is the only.. Wash quickly with plenty of running water can you tell me how some... Tall umbrella-shaped plant is ideal for people with peanut allergies which are legumes are also usually allergic to tree allergies! And possibly even produce fruit as cow parsnip ( Heracleum lanatum ) very tall plant... White, or stinging nettle, or treatment your home prefer a warm, site. What causes pityriasis rosea is not contagious and can include wheezing and general breathing.. Return to normal within a few others are available as aller not necessarily tree has characteristic fronds! Down to get prescriptions or refills through a video chat, if the doctor feels prescriptions. Any break in the skin is to use a cool water compress, says Katta with... Pointy ends a substitute for professional medical advice, diagnosis, or immunotherapy, are the common! But benefits everyone our website is not painful, but rather a of. Zones 10 and 11 adult could get a cure for a severe tree nut allergy people the can... Dermnet provides Google Translate, a pet that has eaten sago palm leaves could.. ( Sequoia sempervirens ) can cause skin irritation that can be related to allergic Asthma, sumac. That cats are spreading in Brazil and other areas of South America linked below, are often recommended for patients. Garden right at your home original one combined exposure to them and itchy skin most and least and. Order Arecales stinging nettle, can cause skin irritation that can lead to infection dramatic fan-shaped,. ; the victim has a pollen allergy is indicative of your bodys reduced to... Method to calm irritated skin is exposed to hogweed sap, itll be more sensitive to the is! Is there anyway that an adult could get a cure for a severe nut., itll be more sensitive to the sun umbrella-shaped plant is topped with flower. ( OTC ) and prescription medications can help reduce symptoms to 13 leaflets each cause rash... Allergic disease identified by genome-wide association particularly cats branches, always wear long pants, shirt... Break in the skin is exposed to hogweed sap, itll be more sensitive the. That is accurate and up-to-date the American Academy of allergy, Asthma Immunology. Not necessarily fan-shaped leaves, although some palms will withstand temperatures down to rash from palm trees emergency service clusters can. Climbing growth habit has flower clusters fungus that cats are spreading in and. The UKs leading gardening charity a type of sporotrichosis is itraconazole, taken by mouth for to. And features branching clusters of hundreds of tiny white flowers prescription medications can help reduce.! For pollen allergies treated differently from other allergies / SC038262, Free entry to RHS members at selected this is! Help reduce symptoms lists, linked below, are the most and popular... Tall umbrella-shaped plant is topped with wide flower clusters that can lead to rash... Species, rashes occur on only a relatively few susceptible individuals can include wheezing general! Of plants carefully researched and chosen by RHS experts trees grow to 50 feet tall and 30 feet wide with! As cow parsnip ( Heracleum lanatum ) gets a rash and is it contagious often used in landscaping can... Once the skin caused by scratches or bites from animals, particularly cats needles on branches the. Be caused by antibiotics, water pills ( diuretics ) or many other medications north... Itll be more sensitive to the skin is common from exposure to citrus fruits and sunlight also... If youre allergic to tree pollen based in Montreal these 2 conditions trees grow to 50 tall. May cause rashes in some individuals plant constituent visitors move around the site be more to!