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Toxicodendron Dermatitis

Last updated June 15, 2020

Approved by: Maulik P. Purohit MD, MPH

Poison Plant Allergy is a common condition that manifests as an abnormal immune reaction/response to certain plants that are denoted as being poisonous (or allergy-inducing).


The topic Toxicodendron Dermatitis you are seeking is a synonym, or alternative name, or is closely related to the medical condition Poison Plant Allergy.

Quick Summary:

  • Poison Plant Allergy is a common condition that manifests as an abnormal immune reaction/response to certain plants that are denoted as being poisonous (or allergy-inducing). It is observed in both children and adults
  • Some of the common allergy-causing poisonous plants around the world include:
    • The trio of poison ivy, poison oak, and poison sumac plants
    • Burmese, Chinese, or Japanese lacquer tree
    • Mango tree
    • Marking nut tree of India
    • Gluta renghas tree of Indonesia and Malaysia
    • Cashew nut tree
    • Pistachio plant
  • Poison Plant Allergy may occur immediately, or within hours following exposure to the plant, which may occur through touch, ingestion (eating plant parts), or inhaling smoke from burning plants. The condition may be mild, moderate, or severe
  • Numerous signs and symptoms of the allergic reaction may be noted including skin rashes and hives, sneezing, breathing difficulties, nausea and vomiting, and indigestion. In some individuals, Poison Plant Allergy may lead to an anaphylactic shock, which is a medical emergency. The condition is generally diagnosed based on clinical signs and symptoms
  • Anti-allergic medications form the first line of treatment for mild cases of Poison Plant Allergies. Corticosteroid therapy may be necessary to reduce inflammation. However, in the case of a severe allergic reaction (anaphylaxis), epinephrine injections are recommended
  • The prognosis of Poison Plant Allergy is generally good with appropriate treatment. In many, the condition resolves in a few weeks’ time. However, the condition can recur on repeat exposure to the plant

Please find comprehensive information on Poison Plant Allergy regarding definition, distribution, risk factors, causes, signs & symptoms, diagnosis, complications, treatment, prevention, prognosis, and additional useful information HERE.

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Reviewed and Approved by a member of the DoveMed Editorial Board
First uploaded: Oct. 9, 2017
Last updated: June 15, 2020