Bois de Chien, Caquistle, Caxuistle, Herbe à la Puce, Herbe à Puce, Hiedra Venenosa, Markweed, Poison Vine, Rhus radicans, Rhus Tox, Sumac Grimpant, Sumac Vénéneux, Three-Leafed Ivy, Toxicodendron radicans.


Overview Information

Poison ivy is a plant. Most people remember poison ivy as a plant that can cause a serious, long-lasting rash, if touched. The leaves are used to make medicine.

Homeopathic preparations of Poison ivy are used to treat pain, rheumatoid arthritis, menstrual period problems, swelling, and itchy skin disorders.

How does it work?

It is not known how poison ivy works in homeopathic medicine. It causes severe side effects because it is a skin irritant and it stimulates the immune system, causing allergic reactions.


Uses & Effectiveness?

Insufficient Evidence for

More evidence is needed to rate the effectiveness of poison ivy for these uses.

Side Effects

Side Effects & Safety

Poison ivy is LIKELY UNSAFE when taken by mouth or touched. Chemicals in poison ivy can cause an allergic reaction with widespread symptoms. When taken by mouth, poison ivy can cause severe irritation of the mouth, throat, and lining of the stomach and intestines; nausea; vomiting; colic; diarrhea; dizziness; blood in the urine; fever; and coma.

Skin contact can cause redness, swelling, blisters, severe skin destruction, swelling of the eye (cornea), or loss of sight. To prevent poison ivy from causing skin irritation, wash exposed areas with soap and water within 5 to 10 minutes of contact. Alcohol can also be used.

Inhaling smoke from the burning plant can result in fever, lung infection, and death due to swelling of the throat.

Special Precautions & Warnings:

Pregnancy and breast-feeding: Poison ivy is LIKELY UNSAFE to take by mouth or touch. Avoid it.



We currently have no information for POISON IVY Interactions.



The appropriate dose of poison ivy depends on several factors such as the user's age, health, and several other conditions. At this time there is not enough scientific information to determine an appropriate range of doses for poison ivy. Keep in mind that natural products are not always necessarily safe and dosages can be important. Be sure to follow relevant directions on product labels and consult your pharmacist or physician or other healthcare professional before using.

View References


  • Baer, R. L. Poison ivy dermatitis. Cutis 1986;37(6):434-436. View abstract.
  • Cardinali, C., Francalanci, S., Giomi, B., Caproni, M., Sertoli, A., and Fabbri, P. Contact dermatitis from Rhus toxicodendron in a homeopathic remedy. J Am Acad.Dermatol. 2004;50(1):150-151. View abstract.
  • CASPERS, A. P. Poison ivy (Rhus toxicodendron); a survey of the poison ivy problem in Canada and some independent observations on the value of zirconium products in prophylaxis and treatment. Can.Med Assoc.J 5-15-1957;76(10):852-860. View abstract.
  • Epstein, W. L. Occupational poison ivy and oak dermatitis. Dermatol.Clin. 1994;12(3):511-516. View abstract.
  • Gladman, A. C. Toxicodendron dermatitis: poison ivy, oak, and sumac. Wilderness.Environ.Med 2006;17(2):120-128. View abstract.
  • Griffiths, C. E. and Nickoloff, B. J. Keratinocyte intercellular adhesion molecule-1 (ICAM-1) expression precedes dermal T lymphocytic infiltration in allergic contact dermatitis (Rhus dermatitis). Am J Pathol. 1989;135(6):1045-1053. View abstract.
  • Griffiths, C. E., Barker, J. N., Kunkel, S., and Nickoloff, B. J. Modulation of leucocyte adhesion molecules, a T-cell chemotaxin (IL-8) and a regulatory cytokine (TNF-alpha) in allergic contact dermatitis (rhus dermatitis). Br.J Dermatol. 1991;124(6):519-526. View abstract.
  • Guin, J. D. Poison ivy dermatitis in winter with an example of filial contact dermatitis. J.Indiana State Med.Assoc. 1983;76(3):184. View abstract.
  • Hurwitz, R. M., Rivera, H. P., and Guin, J. D. Black-spot poison ivy dermatitis. An acute irritant contact dermatitis superimposed upon an allergic contact dermatitis. Am.J.Dermatopathol. 1984;6(4):319-322. View abstract.
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  • Kalish, R. S. The use of human T-lymphocyte clones to study T-cell function in allergic contact dermatitis to urushiol. J Invest Dermatol. 1990;94(6 Suppl):108S-111S. View abstract.
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  • Kurlan, J. G. and Lucky, A. W. Black spot poison ivy: A report of 5 cases and a review of the literature. J.Am.Acad.Dermatol. 2001;45(2):246-249. View abstract.
  • Lee, N. P. and Arriola, E. R. Poison ivy, oak, and sumac dermatitis. West J.Med. 1999;171(5-6):354-355. View abstract.
  • Lejman, E., Stoudemayer, T., Grove, G., and Kligman, A. M. Age differences in poison ivy dermatitis. Contact Dermatitis 1984;11(3):163-167. View abstract.
  • Mallory, S. B., Miller, O. F., III, and Tyler, W. B. Toxicodendron radicans dermatitis with black lacquer deposit on the skin. J.Am.Acad.Dermatol. 1982;6(3):363-368. View abstract.
  • Marks, J. G., Jr., DeMelfi, T., McCarthy, M. A., Witte, E. J., Castagnoli, N., Epstein, W. L., and Aber, R. C. Dermatitis from cashew nuts. J.Am.Acad.Dermatol. 1984;10(4):627-631. View abstract.
  • Nickoloff, B. J., Fivenson, D. P., Kunkel, S. L., Strieter, R. M., and Turka, L. A. Keratinocyte interleukin-10 expression is upregulated in tape-stripped skin, poison ivy dermatitis, and Sezary syndrome, but not in psoriatic plaques. Clin.Immunol.Immunopathol. 1994;73(1):63-68. View abstract.
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