Hemorrhoids or piles are distended veins inside the anus which are swollen and inflamed.
Hemorrhoids are either inside the anus (internal) or under the skin around the anus (external).
What is the cause of hemorrhoids?
Hemorrhoids usually result from straining to pass the stool out of anus.
Other contributing factors include pregnancy, aging, chronic constipation or diarrhea.
Also check out some similar keyword tags authors have used: