Thanks for contacting healthcare magic.
You have problem of
hiatus hernia that may cause acidity and other problem.
Proton pump inhibitor drugs helpful for
acid reflux problem. With this drug do a diet and lifestyle modifications.
Avoid spicy foods and citrus food.
Eat small amount of meal.
Chew food properly.
Drink more water per day.
Avoid chocolate and peppermint.
Avoid immeadiate sleeping after meal.
Do a exercise daily.
Avoid alcohol drinking and
smoking.
Elevate your head during sleeping time.
After taking this much care still symptoms are present than you have to consent a gastroenterologist for further treatment.
Endoscopy is helpful for further information.
Surgery is last option in hiatus hernia.
I hope my guidance is helpful to you. Take care .
Thank you.