Lost large amount of gastric juices bcoz of very bad acid reflux 2 times quickly..this led 2 feel sick after some days..now after month renal blood test shows ph is 7.49.evrythng points 2 metabolic alkanosis.feeling very sick.which specialists treat?

Do you mean art.blood pH or urine dipstick pH? Need more info. One needs both to see where you are. Also blood electrolytes. Wikipedia has a good discussion of alkalosis and acidosis and the Henderson-Hasselbac equation. One needs to read this several times with a pencil and paper to work with before it becomes clear. Or at least it did for me in Medical School. To treat disturbance find cause