Why is my stomach so sour every time I eat?

I had my gastric sleeve surgery 5 weeks ago and have followed my recommended diet to a T. Every time I eat however, I feel that the food that goes into my stomach is unpleasurable because of the extremely acid feeling I get when it reaches there. I have been taking protonix twice a day as prescribed a few weeks ago but this weird phenomena continues with food. Is this because my sleeved stomach is still healing? I am hoping this acidy feeling will subside. What do you think?

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