The feeling of having to urinate when your abdomen is full can be caused by cystitis or prostatitis, and the treatment varies depending on the cause. The main treatments include medication as well as physical therapy. 1. cystitis: usually cause frequent urination, abdominal distension, urinary urgency, urinary pain and other symptoms, diagnosed with antibiotics for treatment, such as cefdinir, levofloxacin, etc., in the period of treatment, but also need to drink a lot of water, more urination, reasonable rest, pay attention to physical hygiene. 2. Prostatitis: After the diagnosis of prostatitis, you can use azithromycin, amoxicillin and other antibacterial drugs for treatment, but also with physical therapy, such as warm water sitz bath or prostate manipulation massage, is conducive to the recovery of prostatitis disease. In the course of treatment, patients should also eat a light diet, do not drink alcohol, do not arbitrarily increase or decrease the amount of medicine, to avoid affecting the condition. The above drugs should be applied under the guidance of a doctor.