Get fast relief from cold symptoms with Alka-Seltzer Plus Severe Cold & Flu Citrus Flavored PowerFast Fizz Effervescent Tablets. Designed to combat sinus congestion, cough, and body aches, these tablets offer powerful relief. Each tablet features a blend of active ingredients, including Acetaminophen for pain relief. Simply drop a tablet into 4 oz of water for a quick and effective liquid medicine.