Double action formula. Active Ingredients: Per Tablet: Methenamine 162 mg; Sodium Salicylate 162.5 mg Inactive Ingredients: Benzoic Acid; Cellulose; Croscarmellose Sodium; Edible Black Ink; FD&C Red #40 Lake; FD&C Yellow #6 Lake; Hydroxypropyl Cellulose; Hydroxypropyl Methylcellulose; Magnesium Stearate; Methacrylic Acid-Ethyl Acrylate Copolymer; Silica; Stearic Acid; Titanium Dioxide; Triethyl Citrate; Each Tablet Contains: 23.7 mg Sodium Uses: Temporarily relieves: painful urination, burning urination. Now sugar free, easy to swallow. Helps control infection (Cystex helps inhibit the progression of infection until you see the doctor. Cystex is not intended to replace a doctor's care. Does not discolor urine.