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