I urinated twice within half an hour, what can cause this increase in urination?

Here are some ...: Peeing often should always be checked out if there is incomplete emptying bladder, inability to hold the urine, or any UTI. So, see urologist for confirmation and care timely. But don't forget to bring the information on the onset, degree, duration, and progress of voiding symptoms over time as well as personal health, lifestyle, drinking habit, etc. to doc for analysis, physicals, and tests...