Large intestine removed 3 mos ago. i can't take fiber to bulk due to gastroparesis. is yellow acid, burning normal in stool?

Could be fissure: Burning at anus is usually from irritation from diarrhoea, anal fissure ( tear in llining) or from too much cleaning with soap ( perfumed). Try to use simple soap (baby) and apply vaseline or baby oil outside after BM or shower .

No: No, it's not normal. Try to eat more bland foods to see if that helps. You can also try taking an acid reducing medicine.