Experience the new and improved Alka-Seltzer Plus Severe Cold Nighttime Formula. These effervescent tablets dissolve quickly in water, offering a refreshing lemon-flavored solution that's ready to provide relief in seconds. With improved flavor and reduced sodium, our formula is now also aspartame-free. Each dose is individually wrapped for convenience and transforms into a liquid-fast medicine when mixed with just 4 oz of water. Alka-Seltzer Plus Nighttime Formula targets your worst cold symptoms, including nasal congestion, cough, sneezing, runny nose, sore throat, fever, headache, body aches and pains, and sinus pressure and congestion. Perfect for those nights when you need fast relief to get back to sleep or to power through your day.