hello, Mostly it s a gastritis and acidity problem. Do you upper abdominal pain, bloating, increase in pain on food, sour water feeling in throat or chest burning, if yes it further supports the diagnosis. This could be because medicine you are taking. You should discuss with your doctor to change to atorvastatin which is a drug of choice for hypercholesterolemia. You should avoid fatty, oily and high calorie diet. Have some walk after having food instead of taking rest. Have multiple small meals instead of heavy meals. Have regular sleep habits and avoid stress. Lots of green leafy vegetables, fruits. Avoid smoking and alcohol if any. You can get prescribed tab Pan DSR 40 mg beforebreakfast once a day for 2 weeks.