Low stomach acid??

I’m starting to wonder if I have low stomach acid??

I follow everything for LPR perfectly. STRICT low acid diet, spaced out small meals, elevated bed, no food 4 hours before bed, Famotidine (allergic to PPIs), sitting upright, you name it.

I tried the baking soda test (1/2 c water with 1/4 tsp baking soda) not only did it burn (still having upper abdominal burning an hour later) I didn’t burp at all.

Also, every time I drink alkaline water it burns.

How would low stomach acid cause SO MUCH burning and acid symptoms tho?! My throat is constantly so raw, red and dry (especially in the morning and towards the end of the day) that sometimes I can’t even swallow. My jaw, ears and lymph nodes are swollen and painful from acid…