Medical Toxicology Image Library Z Zanfel Topical cream sold over-the-counter which is indicated for poison ivy, poison oak, and sumac induced dermatitis. The mixture of chemicals removes the urushiol oil toxins produced by the plants which subdues the allergic reaction. Back to Top Zinc Phosphide Back to Top Zyprexa and Low Plt Back to Top The information on these pages is provided for general information only and should not be used for diagnosis or treatment, or as a substitute for consultation with a physician or health care professional. If you have specific questions or concerns about your health, you should consult your health care professional. The images being used are for illustrative purposes only; any person depicted is a model.