The urethral syndrome is very frequent in women but the etiology is un
known. In all 77 patients suffering from the syndrome, endoscopy revea
led characteristic lesions in the trigonal area. As unidentified bacte
ria may be responsible, a microbiological investigation was carried ou
t. Wide-spectrum or specific antibiotic therapy was prescribed as requ
ired. All patients were also randomized to 2 groups to assess the effi
cacy of local estrogen therapy. The authors concluded that wide-spectr
um antibiotic therapy with macrolide and mepartricin should be the fir
st choice of treatment and that local administration of estrogen does
not significantly enhance the benefits achieved through antibiotic the
rapy. A detailed microbiological investigation is necessary when sympt
oms persist. Overall a positive result was obtained in 75.32% of the c
ases (58 patients). The presence of Streptococci negatively influenced
the results of specific antibiotic therapy.