It is a fixed-dose combination tablet containing Ledipasvir and Sofosbuvir for oral administration. Ledipasvir is an HCV NS5A inhibitor and Sofosbuvir is a nucleotide analog inhibitor of HCV NS5B polymerase.
1. Recommended dosage: One tablet (90 mg of Ledipasvir and 400 mg of Sofosbuvir) taken orally once daily with or without food. 2. Recommended treatment duration: Treatment-naïve with or without cirrhosis: 12 weeks 3. Treatment-experienced without cirrhosis: 12 weeks. 4. Treatment-experienced with cirrhosis: 24 weeks A dose recommendation cannot be made for patients with severe renal impairment or end stage renal disease.
Bradycardia with Amiodarone coadministration: Serious symptomatic bradycardia may occur in patients taking Amiodarone, particularly in patients also receiving beta blockers, or those with underlying cardiac comorbidities and/or advanced liver disease. Coadministration of Amiodarone with Ledipasvir and Sofosbuvir combination is not recommended. In patients without viable treatment options, cardiac monitoring is recommended

Use with other drugs containing sofosbuvir, is not recommended.
The most common adverse reactions with treatment with Ledipasvir and Sofosbuvir combination for 8, 12, or 24 weeks are fatigue and headache.