An off-brand version of Dayquil and Nyquil sold at Costco stores has been recalled due to substandard quality.

“This winter,” @crysstok begins, “I do not want to see y’all buying Dayquil, Nyquil, Theraflu ... the active ingredient in Sudafed, is a decongestant that “treats a runny or stuffy ...

Oral phenylephrine is an ingredient in popular brands of cold medicine like NyQuil, Sudafed, Benadryl and Mucinex. The reason ...