hi i had gone through your query and understand your concerns. i would come up with two most possibilities to fit your condition.these include
1.first possibility is,ANAL FISSURE;
possible causes include;
-trauma caused by strained evacuation of hard stool
-repeated passage of diarrhoea
local examination may confirm the diagnosis
2.second possibility is HEMORRHOIDS;
straining at with increased intra abdominal and haemorrhoidal venous pressures
other causes
-constipation
-diarrhoea
-portal hypertension
-prolonged sitting and standing
treatment option;
i advise you taking
Homeopathic medicines gives safe and permanent cure for your complaints
consult your local homeopathic physician for correct diagnosis of the case and remedy to fit your complaints
I hope this is helpful for you, thank you