help please,my dsughter has usually been a very good night sleeper wakng up once at night and going…

help please,my dsughter has usually been a very good night sleeper wakng up once at night and going right back to sleep well for the past 2 nights now she has been waking up multiple times screaming and jerking her head back when i pick her up. i have fixed her bottle but she dont drink hardly any and falls back to sleep and wakes up screaming again, we will be making her a dr appt in the morning but i just want to see if someone elses baby has done this, and some reasurrance that i havebt done anything wrong. just scarred to put her and myself to sleep because i know sge will do it again.