Anal fissure. Stools please help me out!

Dear sir I had an anal fissure in the month of August for the first couple of days I could see blood stains on tissue and burning sensation And it used to burn the whole day I consulted a gastroenterologist and he advised to eat a lot of fiber and suggested naturolax A dietary powder I've been using it with sitz bath regularly twice a day Initially I used to have muscle spasm and it used to hurt a lot at night I couldn't sleep After 3 months pain is almost gone burning sensation is when I use the toilet and only thing bothering is the irritation after using the toilet Please help me out in geting rid of the irritation and prevent anal fissure for coming back And at times I can see blood on toilet paper when I have hard stools Please help me out