No uti but urinary frequency. what could b the cause ?

Bladder Irritation: Increased urinary frequency can be caused by many different things beside a uti. Often bladder irritants can result in frequency such as caffeine, red dye, chocolate, carbonation, citric acid. Make sure your not constipated as constipation can cause frequency and urgency. Check with your md to make sure not an infection and then try to assess your dietary habits to see if they are responsible.