Acidity can cause abdominal pain for sure . But you have said your endocscopy is normal.So it could be a entity called Non ulcer dyspepsia . May be you may try tweaking your diet like not skipping meals Avoid too much spicy and oily foods Avoiding processed foods some of them have toxic chemicals to add color and flavor No carbonated fizzy drinks Cutting diary products and minimise coffee and tea consumption Eating fibre rich food with lots of veggies and fruits Add a probiotic or fermented food to give a dose of gut healthy bacteria What you have to remember True health care reforms starts in your kitchen . Your Gut is your gateway to your health . I think these simple dietary changes will help you to get rid of your health issue and also the medicine .