What Medications Can Help With My Chronic Indigestion, Gas, Headache, And Stomach Pain Given My Sedentary Lifestyle And Sensitive Stomach?

Dear Dr. I am male aged 49 yrs vegetarian. I have been working in the Central Government office having sedentary lifestyle. My problem is Since childhood my stomach is very sensitive. Even today I have been suffering from indigestion and headache, gas formation. Some time pain in stomach leading to motions. Kindly prescribe medicines plz