Urinary tract infections treated with single dose of short-acting sulphonamide.

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Abstract
In a prospective study 29 patients with urinary tract infections caused by sulphonamide-sensitive organisms were treated with a single oral dose of the short-acting sulphonamide sulphafurazole. Twenty-seven (93%) of the 29 patients--and possibly all 29--were cured of their infections. There was no difference in the recurrence rates after single-dose treatment and treatment for 10 days or more. Six out of eight strains of Escherichia coli causing early recurrences were sensitive to sulphonamides. These results suggest that uncomplicated infections may safely and successfully be treated by a single oral dose of a short-acting sulphonamide.