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Illustrated Health Encyclopedia
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Ency. home > Injury > P > Poison ivy - oak - sumac injury

Poison ivy - oak - sumac injury    See images

Overview | Symptoms | Treatment | Prevention

Alternative names:

Ivy - poison; Oak - poison; Poison ivy dermatitis; Poison oak dermatitis; Poison sumac dermatitis; Sumac - poison

Symptoms

  • Redness and extreme itching are the first signs.
  • Rash erupts on areas exposed to the resin, and it is often in the pattern of streaks or patches consistent with where the plant touched the skin.
  • Rash is in the form of red bumps (papules) and may also form large, weeping blisters.
  • Worst stage of the rash is experienced 4 to 7 days after exposure.
  • Rash may last for 1 to 3 weeks.

Symptoms usually appear within 2 days of exposure, but rarely may appear as late as 2 weeks later. Reactions can vary from mild in some individuals to very severe in highly sensitive individuals. Hospitalization is sometimes required.

Ency. home > Injury > P > Poison ivy - oak - sumac injury

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