Hi Ginny
I am 33 and have had 2 cases of Bell's Palsy, both unrelated to pregnancy. I had one when I was 15 and it lasted about 14 days with the same symptoms as your daughter. It was awful at the time as no one knew what it was and I was very self conscious about my face. Then a few years ago, I got it again! Again, it was treated with cortisone (I think) and it did end after about 5-7 days. It is quite distressing especially as it doesn't disappear overnight. People who get it, usually only have one episode in their life. However, for some it recurs (me) and for a tiny percentage (1%?) it is unfortunately permanent. My sister's sister-in-law had an episode of it as a teenager and still has the palsy in her 50s. I think a neurosurgeon would be the specialist to see regarding medication and treatment as opposed to a ENT specialist. I saw one in Perth at Charles Gairdner as I was in the country at the time and that is where I was sent. I have also had neuralgia (nerve pain) in my face, so that matches what Alan has said about the 7th facial nerve. Hope this has helped you a bit! Feel free to ask me anything else.