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Poison Oak Effects
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Itching
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Poison oak causes a maddening itch in affected areas. Ironically, scratching at it often spreads the oil around, making the itch worse.
Rash
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The skin affected by poison oak will become very red. The rash often has a linear shape, caused by brushing up against the plant.
Swelling
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Skin touched by poison oak will swell up, making it difficult to wear clothes or jewelry.
Blisters
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Poison oak causes blisters to break out in the affected area. Contrary to popular belief, the fluid emitting from blisters will not spread the poison oak infection further.
Time Frame
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The effects of poison oak appear anytime between 12 hours and two days after exposure, and often last for two or three weeks.
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