What are your symptoms because of this hiatus hernia?
Do you suffer form eructations, belching?
Do you have heartburn?
Do you have nausea or vomiting?
Any pain in the pit of the stomach?
Any flatulent distention of abdomen?
Worse on intake of any particular foods?
How is your appetite?
Any habit of smoking, alcohol, coffee etc.?
Do you tend to eat more of spicy food?
Any stress in your domestic life or occupation?
Kali bich, you have taken in which potency and in what dosage? Who has prescribed you the same?
With the above details I can suggest an appropriate Homeopathic medicine for you.