Can hiatal hernia repair 3 yrs post gastric sleeve make caffeine cause diarrhea? Never had a problem with caffeine until after repair 1 month ago.

Hiatal hernia. Yes. I do not know if your surgery was endoscopic or open. However, either way the recent procedure on your bowel is very likely a factor in making you more sensitive to the coffee. However, sometime over time people become more sensitive to coffee as they age. .