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Recovery after anal fissure surgery

Sphincterotomy takes ten minutes; recovery takes two to four weeks. These are the instructions our surgeons give every patient who leaves the operating room.

In short: Expect mild to moderate pain for 3 to 7 days, light bleeding for up to 2 weeks and full healing in 2 to 4 weeks. Soft stools, sitz baths and a healing gel on the wound are the three pillars. FISURIN was first formulated for post-operative fissures.

Medically reviewed by Dra. Milagros Carla Quinto Cobeña, Cirugía general, especialista en proctología · CMP 53588 · RNE 30074 · Clínica Proctológica de Lima · Updated 2026-11-01

The first days

  1. Day 0–1. Rest, prescribed analgesics on schedule, first sitz bath the same evening. Some blood on the dressing is normal.
  2. Day 2–3. First bowel movement: it will hurt less than you fear if stools are soft. Shower or sitz bath after it; do not rub.
  3. Day 4–7. Pain decreasing; walking and light work are fine. Apply the healing gel after each bath.
  4. Week 2–4. Wound closing; occasional spotting. Check-up with the surgeon at week 2.

Wound care that works

  • Sitz bath in warm water 10 to 15 minutes, 3 times a day and after each stool.
  • Dry by patting, or with a hair dryer on cool.
  • Apply the prescribed gel (FISURIN or a healing cream) with a clean fingertip to the wound edges.
  • Fiber, water, stool softener: a hard stool on day 3 is the most common complication.
  • No long sitting, no heavy lifting for 2 weeks.

Call the surgeon if

Bleeding that soaks a pad, fever above 38 °C, pus or foul discharge, pain that worsens after day 4, inability to pass urine, or loss of control of gas or stool beyond the first days.

Frequently asked questions

Will I lose control after sphincterotomy?

Serious incontinence is rare. A small percentage of patients notice brief difficulty holding gas in the first weeks, which usually resolves. Your surgeon assesses this risk before operating, especially in women with previous childbirth.

Keep reading

This content is educational and does not replace a medical consultation. FISURIN is a magistral (compounded) formula prepared under prescription in an authorized pharmacy; availability and regulatory status vary by country. If you have bleeding that does not stop, fever, or pain that worsens, seek medical care without delay.