Hi
You might be suffering from dyspepsia and if after endoscopy, H pylori test is positive, Eradication therapy is advised.
But to my knowledge doxycycline is not given in any combination for eradication.
There are better other combinations which are available.
Next Steps
Upload your endoscopy report with hp tests
Health Tips
During H pylori treatment we counsel the patients about diarrea and paradoxical increase in abd pain may happen. But Probiotics may help to reduce Antibiotic associated diarea.