No black box warning on record for Daytime Nighttime Sinus Relief Maximum Strength
As of the latest FDA labeling reviewed, Daytime Nighttime Sinus Relief Maximum Strength (ACETAMINOPHEN, DEXTROMETHORPHAN HBR, DOXYLAMINE SUCCINATE, PHENYLEPHRINE HCL,GUAIFENESIN) does not carry a black box warning. Standard warnings and precautions still apply — see the full Daytime Nighttime Sinus Relief Maximum Strength medicine page for the complete safety profile.