The English version of the Overactive Bladder Symptom Score (OABSS) questionnaire was translated to Arabic language. The questionnaire was validated by comparing the response to the questionnaire in a patient with Overactive Bladder (OAB) before and after providing treatment with antimuscarinics.

Inclusion Criteria:

• More than 20 years
• Had three months history of overactive bladder symptoms (urgency with or without incontinence and associated with frequency and nocturia).

Exclusion Criteria:

• Active urinary tract infection.
• Predominant symptoms of urinary stress incontinence;
• Diabetes mellitus;
• Previous abdominal and pelvic (urological or gynecological gastrointestinal) surgery;
• Previous neurological disease.

The study has included 235 patients, 152 (62.9%) females and 83 (37.1%) males.