内痔还是外痔?几度?医生建议何种手术?手术后若饮食/生活习惯不改,是会复发的.

 

痔疮的轻与重


长期站立或坐等因素会导致痔疮

Researchers are not certain what causes hemorrhoids.
It's likely that extreme abdominal pressure causes the veins to swell by blocking
the flow of blood through them. They then become susceptible to irritation.
The increased pressure can be caused by obesity, pregnancy, standing or
sitting for long periods, straining on the toilet, coughing, sneezing,
vomiting, and holding your breath while straining to do physical labor.

 

可以看一看这个: 

http://www.medicinenet.com/hemorrhoids_pictures_slideshow/article.htm