“…These include pharmacological suppression of gastric acid production 1,2,13 , use of antibiotics 24,28 , previous vagotomy 4,7,8 , functional or mechanical esophageal abnormalities 28,30 , and endocrine diseases such as diabetes mellitus, hypothyroidism and hypoparathyroidism 11,18 . Malnutrition, alcoholism, advanced age 26,27,28 , and therapy with corticosteroids -either systemic or inhaled -has also been implicated 2,22 . However, there are very limited data from Brazilian patients.…”