Piles is common cause of bleeding per rectum. You have loose motion also. Get an colonoscopy done to rule out ulcerative colitis, which needs specific treatment

Get examined by good Laser Surgeon general surgeon

[ ] Hi if this bleed is not associated with pain than is generally due to piles and quantity of blood should be more. If this is associated with pain and quantity is less than this is due to fissure. At times there may be sigmoid colitis which leads to cramping lower abdominal pain and may cause passage of blood in stool. Other rare causes are presence oflpolyp growth Or a malignant growth. You should avoid constipation, as this is the cause for piles/ Fissure. it's better to get evaluated. Take salads in each diet. Take plenty of water. feel free to ask any further quary.Take care.

This can be piles