Hycy_Hyoscyamus Niger is a homeopathic medicine that is derived from the plant Hyoscyamus Niger. It is commonly used to treat symptoms of anxiety, agitation, and delirium. This medicine is also helpful for treating symptoms of Parkinson's disease, such as tremors and stiffness. Hycy_Hyoscyamus Niger is safe and effective for use in both adults and children. It is available in various potencies, and should be taken as directed by a qualified homeopathic practitioner.