Pain in anal region may be due to piles or more likely anal fissure. The best thing to do would be to visit a general surgeon you can clinically examine your father and treat after making accurate diagnosis
Next Steps
For immediate relief, start sitiung in Luke warm water baths for 10-15 minutes twice a day, and can apply 2%lix jelly at site of pain. However, it is important to see a general surgeon at the earliest.
Health Tips
Avoid constipation