Thanks for contacting healthcare magic. According to your complain you have problem of gastroesophageal reflux disease. You are taking zentac drug for reflux. Do some diet and lifestyle modifications like... Avoid spicy foods and alcohol, citrus foods, coffee, chocolate...etc. Eat small amount of meal and chew properly. Avoid gaseous foods like cabbage, cauliflower, carbonated drinks etc... Avoid immeadiate lying down after meal. Drink more water. Elevate your head during sleeping. Proton pump inhibitor drugs help in gastroesophageal reflux disease. Consent a gastroenterologist for further treatment. I hope my guidance helpful to you.. Take care. Thank you.