MyDekla is an NS5A inhibitor Daclatasvir) that is used only in combination with another drug — Sofosbuvir — to treat chronic hepatitis C genotype 1 and 3 infections. These medications together reduce the amount of hepatitis C virus in your body, which helps your immune system fight the infection and may help your liver recover. Chronic hepatitis C infection can cause serious liver problems such as scarring (cirrhosis), or liver cancer. MyDekla is manufactured by Mylan,