dear doctor my littel son 11 months when he was 2 months and 15 days he got chest infection pneumonia in the right lung and after 2 weeks of treatment in the hospital with antibiotic he discharged next day he was admitted again with new infected by pneumonia in the right lung and then doctor did some test a barium swallow and ph. the resulte GE reflux grade 4. he was with NGT and AR formula by NGT for 3 moths with zantac and Motinorm also with sitting position ,but all of those dosn t change any thing.after that when he was 5 months and 15 days he had an a laparoscopic fundoplication 5 ports, 360m degree wrap over 10fr ryles tube. he trying to vomit but he can t.I Observed every time when he trying to vomit like for 5 to 7 minutes and when he sneeze every time after trying vomit then he got back to normal after sneezing.. and he drinking now neocate formula based on free amino acid. also he is allergy with lots of food ,.