Hi there,
The common causes of frequent urination
in night are urinary tract infection,
diabetes mellitus, prostate problems, interstitial cystitis, diuretic use, bladder dysfunction or overactive bladder syndrome. Each of these conditions will have its associated symptoms. A physical examination and medical history is very important .Depending on the findings of the physical exam and medical history, you may need tests like urine analysis, ultrasound KUB,cystoscopy,cystometry etc.