Phenylephrine is widely used in a variety of over-the-counter flu and coldmedicines, including popular products such as Benadryl, Advil, and Tylenol. It is also an ingredient in nasal sprays to ...
Some people may also develop a cough or sore throat or experience fatigue, which can last a little longer, said Dr. H. Keipp Talbot, a professor of medicine at Vanderbilt University Medical Center ...