Indicated for Cough, Hoarseness, Sore throat. Drosera rotundifolia is a homeopathic remedy commonly used for deep coughs, at times following each other in rapid succession and hoarseness. Patients needing this remedy may be worse after midnight, lying down, on getting warm in bed, drinking, singing, and laughing. This homeopathic remedy is made from the plant commonly known as Sundew. Active ingredient: Drosera rotundifolia [HPUS]. Inactive ingredients: Sucrose/lactose pellets. All single remedies are made and packaged in glass.