What causes anal fissure?
Anal fissure is most commonly caused due to constipation, when a hard or large poo tears the lining of the anus or the anal canal. There are however other causes that can lead to anal fissure:
- childbirth or pregnancy
- inflammatory bowel disease (IBD), like Crohn’s disease
- a tight sphincter muscle
- STIs like syphilis, herpes
- engaging in anal sex
What are the symptoms you may have?
If you do have anal fissure, you may experience some or all of the following in the anal area:
- severe pain when you poo
- blood on your stools or on your toilet paper
- a visible skin tear
- burning and itching
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