Generic name: acetaminophen / pseudoephedrine
Alka-Seltzer is used to relieve sinus congestion and pain and, associated with colds, allergies and infections of upper respiratory tract. It may also be used by your physician to treat certain other conditions.
It refers to the decongestant and analgesic combination. The analgesic makes the brain to reduce pain. The decongestant constricts blood vessels and reduces the nasal passages swelling, thus decreasing stuffiness.