I Have Been Peeing A Lot 15 Times A Day

I have been peeing a lot 15 times a day and 5 times a night. Have a bad pain in left side in my pelvic area. I am on two different meds my urologist prescribed to me vesicare and myerbetriq been taking both since Wednesday. pain does not subside and my stomach is bloated. I have had endometrosis surgery before in 2002. my doctor said that it can reoccur.