OAK AND IVY FACTS
Oak (Rhus diversiloba), poison ivy (Rhus tocicodendron L.)
and poison sumac (Rhus toxicondendron V.) emit the poisonous,
oily irritant urushiol (pronounced oo-roo-she-all) on the
plant's stem, roots, branches, and leaves. The urushiol chemically
"locks on" to skin proteins within 20 minutes after
exposure to the plants (including dormant plants or long-dead
prunings), contaminated clothes or tools, or even contaminated
with this annoying oil produces a rash in three out of four
people. The rash can begin within a few hours after contact,
or it can start three to five days later. The rash starts
with itchiness and swelling, followed by a reddish inflammation
of tiny pimples. Blisters then form and couple in a chain-like
reaction. A clear fluid oozes from the blisters. This fluid
then hardens to a yellowish crust. Left untreated, the rash
(a typical histamine response) will last three to five weeks.
Oak, ivy, sumac and other members by the Rhus family grow
in all portions of the North American continent (except Nevada,
Alaska, and Hawaii) at elevations below 4,000 feet with a
rainfall above 8 inches per year. These plants are a significant
cause of workers' compensation claims in the United States.
They are also the source of considerable distress to outdoor
recreationists and hobbyists.
features Tec Labs "The Proven Defense" for poison
ivy, poison oak and sumac.
as standard issue by many public utilities, timber companies,
the forest service and other outdoor industries, Tec Laboratories'
products have been proven effective where it counts. On the
job. In the field. In the mountains of the Northwest, the
forests of the Northeast and the swamps of the Southeast.
Wherever workers come in regular contact with the great outdoors.
PROVEN SINCE 1977
Tecnu® -the original Tec product is a unique outdoor skin
cleanser that removes plant oils, residue and pitch from skin.
Tecnu also cleanses oil from clothing and tools.
A clear, antihistamine gel formula soothes and relieves the
irritating itch and rash of poison plants. CalaGel can also
be used as a first-aid antiseptic for the relief of sunburn,
bug bites and other skin irritants.
Please click here for more information.
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