Some side effects can indicate a serious problem. If you experience any of the following symptoms, stop taking vitamin B6 and Unisom and seek medical support immediately: The Food and Drug ...

Unisom is the brand name of a sleeping drug called doxylamine. Diclegis is a delayed-release combination of doxylamine and pyridoxine, which is a form of vitamin B-6. According to a 2014 overview ...