BASIC INFORMATION
DESCRIPTION
A very small tube or tract that leads from the anal canal
to the skin near the anal opening. Watery pus drains
through this opening and causes irritation to the skin.
FREQUENT SIGNS AND SYMPTOMS
Constant or intermittent discharge.
Firm-tender lump.
Pain during or after bowel movement.
Discoloration of skin surrounding fistula.
CAUSES
Erosion of tissue because of spreading abscess.
Extension from infection from a tear in the anal canal
lining.
May be found occasionally in association with trauma,
rectal infection (including chlamydia), carcinoma and
radiation therapy.
RISK INCREASES WITH
Puncture wound in anal canal lining (e.g., from
eggshell or fishbone) or injury from an enema tip.
Injection treatment for internal hemorrhoids.
Inflammatory bowel disease.
Acute appendicitis or diverticulitis.
PREVENTIVE MEASURES
No particular preventive steps.
EXPECTED OUTCOMES
Surgical results usually excellent.
POSSIBLE COMPLICATIONS
Constipation.
Fistula may recur if not completely excised by
surgery.
TREATMENT
GENERAL MEASURES
Minor surgical procedure to excise fistula. Usually
with local anesthetic (occasionally general anesthetic
required).
Warm sitz baths after surgery to help relieve any discomfort.
MEDICATIONS
Stool softeners may be prescribed to prevent constipation.
Antibiotics may be prescribed if infection present.
ACTIVITY
Resume work and normal activity as soon as possible.
DIET
Regular diet
NOTIFY YOUR PHYSICIAN IF
You or a family member has any symptoms of an anal
fistula.
Nmihi.com Tips
Online pharmacy no prescription needed. Offers include allergy relief, stop smoking, hair and skin care, and muscle relief. Ordering instructions.
Herbal prescription drug interactions - find information about the medications you are taking.