dear friend
Reflux disease many a times takes a long time to respond and many a time you may take a long time to resolve , it is advisable to get a UGI endoscopy done and take a long term treatment for the GERD you have, short burst of treatment will provide temp relief but if not treated properly the condition will bother you for a very long time
Next Steps
get anUGI endoscopy done with culture and biopsy for H Pylori