Pulsatilla nigricans derived from the plant commonly known as windflower. It is used to treat conditions that are accompanied by discharge, such as bedwetting, sinusitis, etc. Homeopaths prescribe pulsatilla for acute ailments that are caused by grief, anger, fright, shock, consumption of rich foods, loss of vital fluids, exposure to the sun, suppression of menstruation, and mental strain. This herb is often called the queen of homeopathic remedies, as it is indicated in so many conditions. These conditions include arthritis, bronchitis, chickenpox with cough and low fever, colds, coughs, digestive troubles, eye and ear infections, fevers, headaches, measles with a cough and cold, mumps with swollen and painful glands, and menstrual difficulties.