Sick as a dog

Patricia • HALEY 9 💗KELSI 7 💗 BABY ASHER DUE 3-14-15 💙
Ok so I'm sick with this nasty cold and head cold. And I was told robitussin but all I can find it robitussin DM. I Googled it and it said class C and shown no side effects to fetus is it ok to take. Help I'm dying here lol