High Quality Content by WIKIPEDIA articles! Butylscopolamine, also known as scopolamine butylbromide, butylhyoscine and hyoscine butylbromide, is a peripherally acting antimuscarinic, anticholinergic agent used as an abdominal-specific antispasmodic. It is a quaternary ammonium compound and a semisynthetic derivative of scopolamine. It is marketed under the trade name Buscopan by Boehringer Ingelheim GmbH, Germany, who also offer a combination of butylscopolamine and paracetamol, marketed under the name Buscopan Plus (in some countries, Buscopan Compositum).