Anal edge has a hard knot in one's heart very painful how be to return a responsibility

This situation considers two aspects, the most common consideration of thrombosis external hemorrhoids, usually in the original anal local varicose veins on the basis of constipation, or squatting too long, catch cold and other factors occur, the surface smooth, local can be promoted, tenderness, sometimes the surface into blue purple.

There is the possibility of early perianal abscess, general diarrhea,"get angry," low immunity caused by common, early local hard masses. The boundary is unclear, skin flushing, knot tenderness obvious, general anal finger inspection can be clear, perianal abscess anal sinus tenderness, thrombosis external anal hemorrhoids is no abnormality.