Tylenol Sinus Severe Daytime Caplets provide effective temporary relief from symptoms associated with hay fever, respiratory allergies, the flu, and the common cold. These caplets address a variety of discomforts, including fever, headaches, sinus congestion and pressure, nasal congestion, chest congestion, and minor aches and pains. Each caplet contains a powerful combination of active ingredients: 325 mg of acetaminophen acts as a pain reliever and fever reducer, 5 mg of phenylephrine HCl serves as a nasal decongestant to help clear nasal passages, and 200 mg of guaifenesin, an expectorant that aids in loosening phlegm and thinning...