Genital infections in females ( 6.5 , 6.3 and 0 % ) and asymptomatic hypoglycemia ( 4.4 , 5.6 and 2.2 % ) , but not symptomatic hypoglycemia ( 2.2 , 1.1 and 1.1 % ) , were more frequent in the 100 - and 200-mg groups than in the placebo group .