Monitoring Parameters: Serum transaminase (AST and ALT) and bilirubin (prior to treatment initiation and monthly thereafter, or more frequently if clinically necessary [every 2 weeks following transaminase elevations and 3 days after reintroducing therapy if withheld due to transaminase elevations]). Hemoglobin and hematocrit (at baseline, at 1 month and 3 months of treatment, and every 3 months thereafter [generally stabilizes after 4 to 12 weeks of treatment]).
Pregnancy test in women of childbearing potential (prior to the initiation of therapy and monthly thereafter, prior to shipment of monthly refill).
Monitor for clinical signs/symptoms of liver injury (eg, abdominal pain, fatigue, fever, jaundice, nausea, vomiting). Monitor for fluid retention.