I caved in!!!!

I have so much sinus pressure and I am so stopped up that when I set or lay down my nose just clogs up, but if I stand up it all opens up. I been alternating between Robitussin and Tylenol, but I caved in and took a Benadryl since the doctor and pharmacy said it's safe. I said a prayer for God to keep my baby safe as I didn't want to take it because I didn't want it making my baby sleepy. Has anyone else taken Benadryl while pregnant?