How Soaps Work - This is an interesting section which discusses how soap works to remove oils and how it relates to urushiol oil. Urushiol oil is the compound found in poison ivy, poison oak, and poison sumac (amongst others) to which many people are allergic.
Plant Identification Glossary - A glossary of terms used for plant identifications used on this website.
Bookstore - A listing to some of the books we've found about poison ivy, poison oak, and poison sumac including field guides.
Toxicodendrons -
Very nicely research and discussion on poison ivy, poison oak, and poison sumac by Bill Brooks.
Poison Oak Information - Toxicodendron diversilobum -
Everything from pictures, to how and why. A must see for those wanting to know the technical details
The Toxicodendrons: Poison Ivy, Poison Oak, and Poison Sumac - This is a very technical document based on review of a number of research papers. There is a great explanation of urushiol oil and how it bonds to the skin. The document was written in 1999 and does briefly mention products which are no longer on the market. Otherwise, this is an excellent technical resource.
Poison Ivy Myths - Poison ivy misunderstandings are often deeply held and difficult to change. This paper by Bill Einsig attempts distinguish between scientific fact and beliefs.

Frequently Asked Questions (FAQ)

Poison Ivy, Poison Oak, Poison Sumac Fast Facts -
Did you know that 500 people could itch from the amount covering the head of a pin
Poison Ivy, Poison Oak, Poison Sumac Questions and Answers -
Here is a primer on everything from how you got it to how you can treat it to pictures on how to identify the plants. Including a few doctors sites with their recommendations
Facts and Fiction about Poison Oak and Ivy -
Question and Answers, Pictures, Geographic Location, Urushiol Info
Indiana University -
Information about the rash, treatment, Truth about Poison Ivy and Oak
GORP -
Poison Ivy FAQ
Agirculture and Agri-Food Canada - Publication No 1699 -
Poison Ivy, Western poison Oak, Poison Sumac

Test Your Knowledge

Poisonous Plant Quiz? -
Test your week knowledge about Poison Ivy, Oak, and Hemlock with this Quiz
University of Pennsylvania Health Care -
Test Your Knowledge about Poison Ivy with this True/False Quiz
Poison Ivy Tutorial -
Test Your Knowledge about Poison Ivy

Occupational Poison Ivy and Oak Dermatitis. - Poison Ivy, Oak, and Sumac Dermatitis Identification, Treatment, and Prevention Lisa A. Garner, MD THE PHYSICIAN AND SPORTSMEDICINE - VOL 27 - NO. 5 - MAY 99
Poison Ivy, Poison Oak, Poison Sumac Cures -
An exhaustive list of different remedies others have tried.
Help others with these questions and concerns -
Perhaps you know the answers to these questions or have your own questions. This is the place to swap information and ask questions. If you are looking for cures and other recommedations... Check the remedies page.
American Institue of Preventive Medicine -
Information about the rash, cause, prevention of Poison Ivy and Oak
American Academy of Dermatology -
Search for a Dermatologist by State,Zip,City,Name,Area Code
Poison Ivy/Oak Information -
Causes, Contagion, Treatment, and Prevention of Poison Ivy
Doctor Greens's House Calls -
Question/Answer Advice from a Doctor for Poison Ivy
John Hopkins Health -
Prevention, and Treatment of Poison Ivy, Oak, and Sumac.
Medicinal Herb FAQ - contents page -
All you ever wanted to know about medicinal herbs... very comprehensive on Poison Ivy, Oak, and Sumac at this link
American Academy of Dermatology -
Recognizing Poison Ivy, What to Do about Poison Ivy, Treatment Of, Immunization, and Common Myths about Poison Ivy
Learn More about Poison Ivy, Oak, and Sumac -
Pictures of Poison Ivy, Oak, and Sumac. Rashes, Prevention, Treatment

Poison Ivy Control and Eradication from Viewers -
What other find works or doesn't work
*** Perennial and Biennial Weed Guide *** -
Learn about various weeds and plants with pictures including the mistaken identity plants of poison ivy, oak, and sumac.
Effective Poison-Ivy Control -
Very comprehensive - PDF file
Police Notebook -
Universtity of Oklahoma Poison Ivy Handbook
Poison Ivy Identification -
Is it poison ivy or virigina creeper?
Danger Poison Ivy -
Pictures and Information about Poison Ivy
ncnatural.com -
Great Pictures for poison ivy and how to identify these plants before touching them
USDA Natural Resources Conservation Service -
Poison Ivy descriptions, locations, and pictures

Poison Oak Information - Toxicodendron diversilobum -
Everything from pictures, to how and why. A must see for those wanting to know the technical details
Troup 5 (Palo Alto) -
Poison Oak Facts, Treatments, Remedies, Rash
Poison Oak -
Poison Oak Facts, Treatments, Remedies, Rash
Poison Oak -
Rhus diversiloba T and G
Poison Oak Information -
What it is, what causes it, identification (images)