Two days for a cough isn’t all that long, but if you have other symptoms and don’t think the cough is caused by post nasal drip, you should see a doctor.
@autumn43 is right about the Vicks on the bottom of your feet. A friend told me about that, and I tried it. I had a cough that was driving me crazy at night, constantly having that tickly feeling in the back of my throat. The Vicks works, but I don’t know how when it’s all the way down there on your feet.
A few weeks ago I came down with a bad cold that included a cough. We were out of Vicks, but someone had given us a big jar of raw honey for Christmas. I’d read something about raw honey working better for a kid with a cough than cough medicine, so I had a spoonful of that before I went to bed. I also took Nyquil. I don’t know which of the two worked, but I slept like a champ. And man was that honey yummy!
If you decide to get some cough medicine, my mother in law swears by Delsym.