16 to < 20 kg :100 mg b.i.d.(4 tablets 25 mg b.i.d. or 1 tablet 100 mg b.i.d). 20 to < 25 kg:125 mg b.i.d.(5 tablets 25 mg b.i.d. or 1 tablet 100 mg + 1 tablet 25 mg b.i.d.) 25 to < 30 kg:150 mg b.i.d.(6 tablets 25 mg b.i.d. or 1 tablet 100 mg + 2 tablets 25 mg b.i.d).