Pharmaceuticals & Tablets › Alka-Seltzer, 72 Tablets/Box Image 1 of 1 Alka-Seltzer, 72 Tablets/Box $36.80 BAY04022Includes:Effervescent pain reliever and antacid with specially buffered aspirin. Each tablet contains:Aspirin 400 mg;Caffeine 32 mg Quantity: Add To Cart Added! BAY04022Includes:Effervescent pain reliever and antacid with specially buffered aspirin. Each tablet contains:Aspirin 400 mg;Caffeine 32 mg