Indicated for Headache, Cough, Face flushed, Poison ivy. Sanguinaria canadensis is a homeopathic remedy often used for severe headaches where the pain begins in the back of the head (occiput) and spreads over the head and settles over the right eye, with nausea and vomiting. There is often great sensitivity to noise and light. Other indications include loose cough with badly smelling mucus - the breath and mucus even smell badly to the patient. Patient needing this remedy may have pain in right arm and shoulder that is worse at night in bed - cannot raise the arm. Can also have pain in places where the bones are the least covered. Should be considered as an option for poison ivy rashes. This homeopathic remedy is made from a plant called Blood Root. Active ingredient: Sanguinaria canadensis [HPUS]. Inactive ingredient: Alcohol.