the safety and clinical efficacy of dosing twice a day with bacampicillin was evaluated in clinical trials conducted at various locations in latin america , switzerland , and scandinavia , bacampicillin ( 200 , 400 , 600 , or 800 mg ) given twice a day was compared with bacampicillin ( 400 mg ) or ampicillin ( 500 or 556 mg ) administered three times a day in eight double-blind and six open randomized trials involving 750 patients with respiratory and urinary tract infections .
C0002680
ampicillin
C0042029
urinary tract infections