Heart burn?

Veronica • First time mommy! 19 years old. Michael Joel Garza 👣 October4th2015 due date! 👶
I'm 23wks 4days pregnant I have had very bad throat burning everynight for 3 days now. this burning is only in my throat it's not like heart burn it doesn't itch and when i drink something its only okay for that time then it starts to burn every few minuites. when i burp it burns and it's only happens when I'm laying down! Help!? What should I do? Is this normal?