Alka-Seltzer; Purpose Antacids; Indigestion; Pain Relief; Active Ingredient Anhydrous Citric Acid; Aspirin; Sodium Bicarbonate; Dose Package Type Packets; Unit Count 72; Unit Dose Aspirin: 325 mg; Citric Acid: 100 mg; Sodium Bicarbonate: 1916 mg; Strength Regular Strength; Flavor Unflavored; Format Tablet; Number of Individual Doses 36