Pain During Bowel Movements | Causes & Treatment

Pain During Bowel Movements | Causes & Treatment
Piles / Hemorrhoids & Anorectal Diseases

Pain During Bowel Movements | Causes & Treatment

SC
Written & Medically Reviewed By
Dr Samir Contractor · MS · FRCS (UK) · FMAS · FACS (USA)
Senior Consultant, Sterling Hospitals, Vadodara · Last reviewed: July 2026

Pain during bowel movements - from sharp cutting pain at the anus (anal fissure) to deep rectal aching - is one of the most common anorectal complaints in India. It is also one of the most feared, leading patients to suppress defecation and worsen constipation, creating a vicious cycle. Understanding the cause is the key to breaking this cycle. Most causes are very treatable.

✦ Quick Answers

Most common cause?Anal fissure - a small tear in the anal lining causing sharp, burning pain during and after defecation, with bright red blood on toilet paper.
Other causes?Thrombosed hemorrhoids (sudden anal swelling + pain), perianal abscess (constant throbbing pain), anal fistula (pain + discharge), constipation-related anal tears.
Does it always need surgery?No - anal fissures often heal with medical treatment (fibre, stool softeners, topical ointments, botulinum toxin). Surgery is for chronic or non-healing fissures.
When to see a doctor?Any significant anal pain with defecation warrants examination. Pain avoiding defecation worsens constipation, which worsens the underlying condition.

Pain during bowel movements is one of the most distressing anorectal symptoms. For many patients, the anticipation of pain leads to deliberate avoidance of defecation - which causes harder, drier stools, which cause more pain, which causes more avoidance. Breaking this cycle requires addressing both the pain cause directly and the underlying constipation simultaneously.

Causes of Pain During Bowel Movements

Cause Pain Character Associated Features
Anal fissure Sharp, cutting, burning pain during defecation + persists 30-60 min after Bright red blood on toilet paper; crack visible at anal opening; constipation
Thrombosed external hemorrhoid Sudden onset constant severe pain; swelling at anus Visible, tender bluish lump at anus; recent constipation or straining
Perianal abscess Constant throbbing pain; worse on sitting; not specifically related to defecation Swelling and redness near anus; fever; tender to touch
Internal hemorrhoids (symptomatic) Dragging or aching; less sharp than fissure Bright red blood, mucus, prolapse of tissue
Anal fistula (acute episode) Intermittent pain; discharge from fistula opening History of perianal abscess; discharge near anus
Proctalgia fugax Sudden severe rectal pain; wakes from sleep; resolves in minutes No anal pathology on examination; functional cause

Red Flags

Seek evaluation if pain during bowel movements is associated with:

  • Fever and anal swelling - perianal abscess needs urgent drainage
  • Deep penetrating pain with mucus or pus discharge - anal fistula
  • Blood mixed with stool (not just on paper) - rectal bleeding needs colonoscopy
  • Pain that has not improved with conservative measures after 4-6 weeks
  • Inability to sit comfortably - severe thrombosed hemorrhoid or abscess

Treatment by Cause

Anal fissure

  • Increase fibre and water to soften stools
  • Topical anaesthetic ointment (lidocaine) for immediate pain relief
  • Topical glyceryl trinitrate (GTN) or diltiazem ointment - relaxes the internal sphincter, improves blood supply, promotes healing
  • Botulinum toxin injection - for chronic fissures not responding to topical treatment
  • Lateral internal sphincterotomy (LIS) - surgical treatment for chronic, non-healing fissures; very effective with quick recovery

Thrombosed external hemorrhoid

  • If within 72 hours of onset: excision under local anaesthesia - immediate relief
  • After 72 hours: conservative management with sitz baths, fibre, and pain relief; thrombosis resolves over 2-3 weeks

Perianal abscess

  • Urgent incision and drainage - always surgical; antibiotics alone are inadequate for abscess
  • Performed under local or general anaesthesia depending on size

Desi Patient Questions

Potty karta vakhte bahu dard thay chhe ane pachi pan 1 kaak dard rahé chhe - shu fissure chhe?

Ha - sharp pain during + 30-60 min after defecation = anal fissure classic presentation. Bright red blood on paper pan hoy chhe commonly. Doctor examination confirm karshe. Treatment: fibre vadharo, GTN ointment, ane jyaré chronic hoy to botox ya surgery. Very treatable - do not avoid defecation - it worsens the cycle.


Frequently Asked Questions

Anal fissure produces sharp, cutting, burning pain specifically triggered by defecation and lasting 30-60 minutes afterward (spasm of the internal sphincter). Blood is bright red, on toilet paper or at the end of the stool. Hemorrhoid pain, when present, is more of a dragging ache or pressure - external hemorrhoids cause surface pain, particularly when thrombosed. Internal hemorrhoids typically cause bleeding without significant pain unless they prolapse and become incarcerated. Examination by a doctor distinguishes the two reliably.

The prolonged pain after an anal fissure is from spasm of the internal anal sphincter - the involuntary muscle that surrounds the anal canal. When the fissure is disrupted during defecation, the sphincter goes into spasm, cutting off blood supply to the area and perpetuating both pain and the healing delay. This is why treatments that relax the sphincter (GTN ointment, botulinum toxin, sphincterotomy) are effective - they break the spasm cycle and allow the fissure to heal.

Pain During Bowel Movements? Get Examined and Treated in Vadodara

Dr Samir Contractor at Sterling Hospital, Vadodara provides anorectal examination and treatment for fissure, hemorrhoids, and all causes of defecation pain.

Article Reviewed by: Dr Samir Contractor, FRCS Edinburgh, Senior Consultant, Laparoscopic & Bariatric Surgery, Sterling Hospital, Vadodara
Experience: 25+ years of clinical experience, 8,000+ successful surgeries.
Last medically reviewed: April 2026
Editorial policy: Content on drsamircontractor.com is written and reviewed by a practising surgeon. Each page is updated whenever clinical practice guidelines change.

Medical Disclaimer: For patient education only. Not a replacement for medical consultation.