Thanks for contacting healthcare magic. You have problem of regurgitation and gastroesophageal reflux disease that can treated by proper diet and lifestyle modifications. Proton pump inhibitor drugs helpful in gastroesophageal reflux disease. Avoid citrus ,spicy food ,coffee and chocolate... Eat a small amount of meal and chew properly. Avoid lying down immeadiate after eating. Avoud alcohol drinking and smoking. Avoid gaseous foods like cabbage, cauliflower, carbonated drinks etc... Elevate your head during sleeping. Drink more water during day time. After taking this much care still symptoms are present than consent a gastroenterologist for further treatment. I hope my guidance helpful to you. Take care. Thank you.