Generic name: acetaminophen / phenylephrine powder packet
Theraflu Severe Cold Daytime is used to relieve pain symptoms, fever, sore throat, sinus congestion, and cough associated with colds, infections of upper respiratory tract, and allergy. 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.