On the 20th May 2015 the Medicines and Healthcare products Regulatory Agency in the UK issued a Drug Safety Update titled: Sofosbuvir with daclatasvir; sofosbuvir and ledipasvir: risks of severe bradycardia and heart block when taken with amiodarone. You will find a link to it at: https://www.gov.uk/drug-safety-update/sofosbuvir-with-daclatasvir-sofosbuvir-and-ledipasvir-risks-of-severe-bradycardia-and-heart-block-when-taken-with-amiodarone
