Mast Cells in Male Pelvic Pain and and Lower Urinary Tract Dysfunction

Inclusion Criteria: * Male ages 21-80 years old * Diagnosed with Category III Chronic Pelvic Pain Syndrome * Patients reporting pain or discomfort in any of the 8 domains of the NIH\_ Chronic Prostatitis Symptom Index (NIH-CPSI). * CP/CPPS symptoms must have been present for the majority of the time during any 3 months in the previous 6 months. * Mast cell tryptase levels in EPS above a control threshold of 25ng/ml based on healthy men. Exclusion Criteria: * Females * Males \<21 and \>80 years old * Patients with a known hypersensitivity to cromolyn sodium or cetirizine hydrochloride * Patients with impaired renal or hepatic function. * Mast cell tryptase levels in EPS equal to or below a control threshold of 25ng/ml based on healthy men.