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Poison Ivy, Sumac and Oak are native to the U.S.A.
and Canada. They grows on pasture lands, in wooded forests, dry rocky places and waste grounds. They are primarily ornamental plants that can be quite a nuisance if brushed against. The Ivy and Oak plants give off a wax substance, which can cause severe dermatitis. Sumac gives off varnish. Allergic reactions appear soon after coming in contact with the plant.
An itching red patch and blisters occur on the skin within the area that has made contact, followed by scabs when the blisters burst open. Even the smallest amount of contact causes a rash. The rash can be easily transferred on to other parts of the body. Contact with clothing and bed linens can cause others to catch the rash. Animals that have been in contact with these plants can return to the home and if petted, the homeowner can easily catch it also.
People that burn the Sumac plant in their yard unaware of what they are burning, can cause themselves great harm. If ingested by breathing, the burn off from the plant can cause delirium, inflammation of the kidneys and digestive tract. Animals that eat the plant get intestional problems, often ending in death.
Poison sumac, is the worst of all three. It is a small shrub which gives off a yellow milky substance. The leaves are hairy on the underside. The plant flowers in May and June. The petals are whitish green with red patches.
Treatment for all three poison plants is calamine lotion and the prescription Prednisone . If the sumac appears on the face of the victim, it will swell the face and eyes shut. Possible infection can occur from itching. Prednisone from your doctor and will relieve the swelling. If the rash does not heal after a few days, consult your doctor.
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