Hyoscine butylbromide (Buscopan) injection: risk of serious adverse effects in patients with underlying cardiac disease Drug Safety Update – GOV.UK 22 febrero, 2017 administrador El rincón del inquieto www.gov.uk/drug-safety-update/hyoscine-butylbromide-buscopan-injection-risk-of-serious-adverse-effects-in-patients-with-underlying-cardiac-disease