Unfortunately, I have caught a cold

I have been fighting it for days, but alas, the running nose, the sore throat and the sneezing have me admitting that I am sick. Great way to start the first day of my medical leave...
Anyways...does anyone know what is SAFE to take for a cold? I am so miserable, can't breathe, etc. I do have a blood pressure check tomorrow at the doctors so I could wait until then, but I was hoping for some relief tonight if possible....