New & Improved Alka-Seltzer Plus non-drowsy cold effervescent Tablets dissolve quickly in hydrating water and are instantly ready to start working. This formula has improved flavor, less sodium & is Aspartame free. Each dose is individually wrapped which makes it easy to take with you on the go and transforms in just 4oz of water into a liquid-fast medicine. After you drink the refreshing, sparkling solution, Alka-Seltzer Plus works quickly to relieve your worst cold symptoms: nasal & sinus congestion, cough, sore throat, fever, headache and body aches & pains