Dr. Hibberd's answer:
 

Urinating frequently is termed polyuria. This is not a normal condition, but it doesn’t mean you need to panic. Common long-term causes include diabetes, disorders that reduce bladder capacity, pregnancy, or abnormal neurological issues (such as a spinal cord problem, a tumor, or damage).
 

As you can see, the list can be long so your frequent urination is definitely worth evaluating. A simple test of your urine called a urinalysis can be done in your doctor’s office while you wait, and will often sort out the most common causes of polyuria.
 

Short-term causes typically involve bladder irritation, inflammation, or infection and are easily remedied. In some cases excessive water intake, caffeine, or the use of diuretics or water pills may cause the problem. Additionally, many medications have side effects of polyuria, so be sure to evaluate all the medications you take, whether by prescription or not.