The purpose of the study is to evaluate the effectiveness of duloxetine in reducing urinary incontinence(leakage of urine)occurrences in women due to physical stress and leakage that occurs during a strong need(urge) to urinate.

Inclusion Criteria:

• female outpatients greater than or equal to 18 years of age.
• experience episodes of urinary incontinence based on diagnostic criteria of at least 4 episodes a week with symptoms for a minimum of three months prior to start of study.
• have an educational level and degree of understanding English.
• are free of urinary tract infections.
• have a discreet episodes of incontinence(i.e. dry between episodes and do not continuously leak.)

Exclusion Criteria:

• have received treatment for incontinence within the last 5 years.
• suffer from severe constipation.
• currently nursing or breast feeding.
• any nervous system disease that would affect normal urinary function.
• any extension of internal organs beyond the vaginal opening.