What reason is anal fistula caused

summary

A friend in not long ago when the disease of anal fistula, there will be anal pus and stool uncontrolled situation, then, what is the cause of anal fistula? Here is an introduction.

What reason is anal fistula caused

Perianal abscess is one of the main causes of anal fistula. Because the feces stay in the anal recess, resulting in perianal abscess, patients often do not pay attention to it. After the perianal abscess is broken, the abscess cavity gradually shrinks, the external ulcers and incisions also shrink, and the cavity wall forms a hard pipe wall with connective tissue proliferation, that is, a fistula, from which the anal fistula is formed.

The second reason is bacterial infection. The anal canal is an important passage for the rectum, and it is also the most vulnerable part for bacteria to invade. When bacteria enter the anus or anal gland, it will cause infection and lead to the onset of disease, gradually forming abscess, ulceration and anal fistula.

Finally, rectal injury, anorectal injury, trauma, bone foreign bodies from the digestive tract, metal, anal surface and anal speculum examination damage anorectal, bacterial invasion of the wound can cause perianal abscess, not treated in time, can lead to anal fistula.

matters needing attention

The disease with anal fistula should be treated in time. At ordinary times, we should also pay attention to prevention. We should develop good personal hygiene habits, especially pay attention to the sanitation near the anus, and prevent the damage to the anus.