Nitrofurantoin interferes with cell metabolism and cell wall synthesis by inhibiting several enzyme systems including acetyl coenzyme A. It is bactericidal to most gram-positive and gram-negative urinary tract pathogens.
Nintoin Tablet 100 mg
Acute uncomplicated urinary tract infections:
Adult: 50-100 mg 4 times daily for 7 days. Dual-release preparation: 100 mg bid.
Child: >3 mth and older children: 3 mg/kg daily in 4 divided doses.
Prophylaxis of uncomplicated urinary tract infections:
Adult: 50-100 mg at bedtime.
Child: >3 mth and older children: 1 mg/kg once daily.
Therapy should be continued for one week or for at least 3 days after sterility of the urine is obtained. For long-term suppressive therapy in children, doses as low as 1 mg/kg per 24 hours, given in a single dose or in two divided doses, may be adequate.