Good Morning,
It does sound like you are having reflux. Perhaps it is time to revisit your physician as there are many other PPIs available and another one may serve you well.
Reflux I understand well and waking up choking and feeling like you are going to have an emesis is scary. I will shoot out of bed into the bathroom. I often cough for 15 minutes after the event.
I wish you the best and keep talking with us.
Kindly,
Kitt