I had got these 2 in an email awhile back and just saw them yesterday sorting through my folders... I don't know if they will work for headcold symptoms, but wouldn't hurt to try. I hope they give you some kind of relief.
Did You Know That? Drinking two glasses of Gatorade can relieve headache pain almost immediately -- without the unpleasant side effects caused by traditional "pain relievers."
---and---
Before you head to the drugstore for a high-priced inhaler filled with mysterious chemicals, try chewing on a couple of curiously strong Altoids peppermints. They'll clear up your stuffed nose.
Oh, and something I have tried is Airborne. It seems to supress the symptons a bit and shorten the time of illness. I would assume that it is safe to take while breastfeeding, since it contains vitamins and all that goodstuff.