Gastroesophageal reflux diseases (GERD) close associated with any symptoms and airways disorders including chronic cough and asthma. The prevalence of GERD in asthma patients still unclear, approximately 34-89%. In many studies showed that approximately 55-82% asthma patients had GERD symptoms. Endoscopy finding from asthma patients showed that esophagitis prevalence is approximately 27-43%. Th…