We had a large family dog when I was younger. With him, we would just open his mouth and put it so far back on his tongue that he had no choice but to swallow it.
Penny, on the other hand, has had her share of meds. If it's liquid, I force her mouth open and stick the syringe in far enough so that it shoots directly down the back of her throat. If I don't get it far enough back, she will spit it back on me!
With pills, I've never had a problem. I act like it's treat time. Get out the peanut butter, put a small amount on either my finger or a spoon, stick the pill in the middle, cover it up, and let her lick it off. The pill always goes right down with the peanut butter.
Maybe if you did it once or twice with the pb and no pill, then try it later with a pill. She won't be expecting it.
I hope you find something that works! Good luck.