Sir.from 2006 i am patient of hep c .age 27 y from pakistan.I already taken Peg intron,pegysis,interferon with ribiviron.but sill positive.Now dr,recommended sovaldi.geno type 3.tell about side effect for uses of sovaldi for me.and i can takes it becasuse it examines in U.S.A.where geno type 1, 3 is commen. and in my reports liver is functioning correctly.