Temporarily relieves: pain and burning, frequency and urgency of urination. Helps control infection (only Cystex tablets help inhibit the progression of infection until you see the doctor. Cystex is not intended to replace a doctor's care).Active Ingredients: In Each Tablet: Methenamine 162 mg; Sodium Salicylate 162.5 mg (NSAID - Nonsteroidal Anti-Inflammatory Drug)