34 weeks and acid reflux

I ate yogurt, like i always do. 5 minutes later i coughed a lot and had to get up bc i could not breath that i has to get up. Right afterwards my throat had a burning sensation really bad, worse than usual, where my throat got hot and baby is moving a lot, I drank cold water and chewed gum, what the heck happen to me and what can i do to make my throat not feel sore??