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- Also Called: Contact dermatitisWebMD: Poison Ivy, Oak or Sumac - Symptoms
- Type of ailment: Rash
- Duration: Rash can appear within eight to 48 hours of exposure to the poison ivy plant; may take longer the first time you are exposedWebMD: Poison Ivy, Oak or Sumac - Symptoms
- Common medication or therapy: Antihistamines, calamine lotion or corticosteroids; corticosteroid injections may be necessary for severe reactionsWebMD: Poison Ivy, Oak or Sumac - Symptoms
- Cause: allergic reaction to urushiol oil
- Urushiol oil is found on poison ivy, poison oak and poison sumac plants
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Many people suffer allergic reactions when they come into contact with the poison ivy plant. Contact with an oil on the plant's leaves, known as urushiol, can cause an uncomfortable, itchy rash known as contact dermatitis. You do not have to directly touch the poison ivy plant to develop a reaction; urushiol oil can be transferred to you if it is on clothing, pets, gardening tools—anything that has come in contact with the plant.WebMD: Poison Ivy,Oak,or Sumac - Topic Overview
Home-based treatment for poison ivy rashes is usually sufficient, including applying calamine lotion or antihistamine creams to the affected area. The creams won't actually help the rash clear up, but they may relieve some of the symptoms.WebMD: Poison Ivy, Oak or Sumac - Symptoms
Poison Ivy Symptoms
Symptoms of an allergic reaction to poison ivy often include a red, itchy rash with small bumps, fluid-filled blisters or hives. If you have had an allergic reaction to poison ivy before, you may develop a rash much more quickly—possibly within hours.WebMD: Poison Ivy,Oak,or Sumac - Topic OverviewWhile the typical poison ivy rash can usually be treated by self-care at home, those who develop more serious symptoms should seek professional medical treatment. More serious symptoms include swelling of the face, mouth or eyelids and widespread, large blisters.WebMD: Poison Ivy,Oak,or Sumac - Topic Overview
Disclaimer
The content on this page is not a substitute for professional medical advice. Please contact a physician for information on poison ivy.
| Poison Ivy | How to Treat Poison Ivy | Contact Dermatitis | Allergies | Rashes | Antihistamine | HivesAbout this page
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