reported https://www.fda.gov/Drugs/DrugSafety/ucm468634.htm Drug Safety Communication www.fda.gov/Drugs/DrugSafety/ucm468634.htm FDA warnings risk of worsening liver injury Safety Warning Drug Safety Communication statement risk of worsening liver injury FDA warning warned risk of worsening liver injury dozens of severe liver injuries FDAの安全性警告 Safety Announcement Safety Warning Viekira Pak and Technivie www.fda.gov/Drugs/DrugSafety/ucm468634.htm Viekira Pak and Technivie may cause serious liver injury http://www.fda.gov/Drugs/DrugSafety/ucm468634.htm http://www.fda.gov/Drugs/DrugSafety/ucm468634.htm Drug Safety Communication http://www.fda.gov/Drugs/DrugSafety/ucm468634.htm https://www.fda.gov/Drugs/DrugSafety/ucm468634.htm issued a warning Drug Safety Communication http://www.fda.gov/Drugs/DrugSafety/ucm468634.htm Safety Warning