A preventive and/or a remedy for urinary tract diseases with symptoms such as urgency of urination, bladder pain, frequent urination or urine incontinence which comprises a combination of compound having antagonism to EP1 with another compound having antagonism to EP3 each selected from among prostaglandin E2 receptors. The combination of an EP1 antagonist with an EP3 antagonist is useful in preventing and/or treating urinary tract diseases with symptoms such as urgency of urination, bladder pain, frequent urination or urine incontinence, because of showing effect of improving urine retaining ability, improving bladder compliance, relieving hypertonic detrusor muscle and normalizing bladder perception.