Fecal Incontinence Potential Causes:
A range of causes may be responsible for this:

• Disease has reduced the capacity or compliance of the rectum to function
• The external anal sphincter may have been anatomically disrupted or the nerves damaged or destroyed
• Nerve damage, spinal cord disease, or neural disorder that disables the sphincter's ability to function
• Infection or abscess of the anal sacs
• Muscle damage – anal reflex is absent or weakened
• Parasites – intestinal worms
• Diet or medications
• Perianal fistula