Teladoc Called In A Script For Promethazine Dm.. I Am

Teladoc called in a script for promethazine dm.. I am currently taking citaloprammg Q HS. Should I take it or just continue with the nyquil sever cold and flu and mucinex sinus-max(severe congestion relief) Treatin head cold that is going on to weeks. Its is mostly sinus drainage and cough now.