Constipation | Causes, Treatment & When to Worry

Constipation | Causes, Treatment & When to Worry
Piles / Hemorrhoids & Anorectal Diseases

Constipation | Causes, Treatment & When to Worry

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

Constipation - fewer than 3 bowel movements per week, hard or lumpy stools, or straining - is one of the most common GI complaints in India. Most cases are caused by dietary and lifestyle factors and respond well to increased fibre, water, and activity. Persistent constipation, especially with bleeding, pain, or weight loss, always needs proper evaluation to identify or exclude underlying conditions.

✦ Quick Answers

What is constipation?Fewer than 3 bowel movements per week, hard or difficult-to-pass stools, straining, or a feeling of incomplete evacuation after passing stool.
What causes it?Low-fibre diet, inadequate water intake, sedentary lifestyle, ignoring the urge to defecate, stress. Medical causes: hypothyroidism, IBS, anal fissure, medications, colorectal disease.
Is it serious?Usually manageable with dietary changes. Constipation with bleeding, weight loss, pain, or change in bowel habits above age 45 needs evaluation to exclude anal fissure, hemorrhoids, or colorectal cancer.
First-line treatment?Increase dietary fibre (25-35g/day), increase water intake (2-3 litres/day), regular exercise, establish toilet routine, avoid ignoring urge. These changes resolve most cases within 2-4 weeks.
When to see a doctor?Blood in stool, anal pain, weight loss, constipation not responding to dietary changes after 4 weeks, new onset above age 45, or alternating constipation and diarrhoea.

Constipation affects a large proportion of the Indian adult population. Urban lifestyle changes - low-fibre diet, reduced physical activity, inadequate water intake, and chronic stress - are the dominant drivers. In India, there is also significant cultural hesitancy in discussing bowel habits with doctors, leading to under-reporting and under-treatment.

Understanding what constitutes normal bowel function, recognising the difference between dietary constipation and medically significant constipation, and knowing when to seek care are the key messages of this page.

What Is Constipation? (Rome IV Criteria)

The Rome IV criteria define chronic constipation as the presence of two or more of the following for at least 3 months:

  • Fewer than 3 complete spontaneous bowel movements per week
  • Hard or lumpy stools in >25% of defecations
  • Straining in >25% of defecations
  • Sensation of incomplete evacuation in >25% of defecations
  • Sensation of anorectal obstruction or blockage in >25% of defecations
  • Manual manoeuvres to facilitate defecation (e.g., pressing around the perineum or manually removing stool)
Normal bowel frequency ranges from 3 per day to 3 per week. What matters is whether the patient experiences difficulty, discomfort, or a change from their usual pattern. One person's "normal" may be once every two days; another's may be twice daily.

Causes of Constipation

? Lifestyle and Dietary Causes (Most Common)

  • Low-fibre diet - the most common cause in India; insufficient vegetables, fruits, and whole grains
  • Inadequate water intake - dry stools from dehydration
  • Sedentary lifestyle - physical activity stimulates bowel motility
  • Ignoring the urge to defecate - habitual suppression desensitises the rectum
  • Irregular meal times and eating habits
  • Stress and anxiety - directly affect gut motility
  • Changes in routine - travel, illness, change in diet

Medical Causes (Need Evaluation)

  • Anal fissure - pain during and after defecation leads to voluntary stool withholding
  • Hemorrhoids - pain or discomfort may suppress defecation urge
  • Irritable bowel syndrome (IBS-C) - constipation predominant IBS
  • Hypothyroidism - slows gut motility throughout
  • Diabetes - autonomic neuropathy slows colon
  • Medications - opioids, calcium channel blockers, anticholinergics, antidepressants, iron supplements
  • Colorectal cancer or stricture - new constipation above age 45
  • Obstructed defecation syndrome - rectocele, enterocele, or paradoxical sphincter contraction

Red Flags - When Constipation Needs Evaluation

See a doctor if constipation is associated with:

  • Blood in stool - red blood (hemorrhoids, fissure, cancer) or black stool (upper GI cause)
  • Pain during bowel movements - anal fissure, hemorrhoids, or perianal abscess
  • Unintended weight loss - colorectal cancer warning sign
  • New onset constipation in a person above 45 who has never had this problem before
  • Change in stool calibre - thin, pencil-like stools suggest rectal narrowing
  • Constipation alternating with diarrhoea - IBS or colorectal pathology
  • Not responding to dietary changes and laxatives after 4 weeks
  • Severe abdominal bloating and inability to pass gas - possible obstruction

Who Is at Higher Risk?

  • Women - constipation is twice as common in women; hormonal factors and pelvic floor issues contribute
  • Elderly - reduced gut motility, less physical activity, multiple medications, reduced fluid intake
  • People on multiple medications - particularly opioids, iron supplements, and calcium channel blockers
  • Diabetic patients - autonomic neuropathy affects colonic motility
  • Those with hypothyroidism - one of the most commonly missed treatable causes
  • People with IBS - constipation-predominant IBS is very common in India
  • Those who regularly suppress the urge to defecate - due to social circumstances, work constraints, or fear of pain (anal fissure)

How Constipation Is Evaluated

For most patients with recent-onset constipation and no red flags, a thorough history and dietary assessment are sufficient before starting treatment. A doctor will ask about stool frequency, consistency (Bristol Stool Chart), straining, bloating, blood in stool, medications, and diet.

When red flags are present or constipation does not respond to 4-8 weeks of treatment, investigations are ordered:

  • Blood tests: Thyroid function (TSH), blood glucose, full blood count, calcium levels
  • Colonoscopy: For red flags, age above 45, or chronic constipation not responding to treatment - examines the colon for polyps, cancer, stricture, or inflammatory conditions
  • Anorectal manometry: For suspected obstructed defecation syndrome - measures sphincter pressures and coordinated defecation function
  • Colonic transit study: For severe slow-transit constipation not responding to maximum laxative therapy

Treatment of Constipation

First line - Lifestyle and Dietary Modification

  • Increase fibre intake to 25-35g/day - vegetables, fruits, whole grains, beans, psyllium husk (isabgol)
  • Increase fluid intake - 2-3 litres of water per day
  • Regular physical activity - even a 20-30 minute walk daily stimulates bowel motility
  • Establish a toilet routine - attempt defecation at the same time each day, ideally 15-20 minutes after breakfast (gastrocolic reflex)
  • Do not suppress the urge - respond to the defecation urge promptly
  • Optimal posture - squatting or using a footstool to raise feet (Squatty Potty position) improves anorectal angle and ease of defecation

Laxatives - when lifestyle changes are insufficient

  • Bulk-forming agents (Isabgol / psyllium husk): Safe for long-term use; must be taken with adequate water
  • Osmotic laxatives (lactulose, polyethylene glycol): Draw water into the stool; safe for regular use
  • Stimulant laxatives (bisacodyl, senna): For short-term use; effective but not for prolonged daily use
  • Stool softeners (docusate): Mild; useful when stool is very hard

High-Fibre Indian Food Guide for Constipation

  • Best choices: Whole wheat roti (atta roti), brown rice, dalia (broken wheat), vegetables with skin (bhindi, tori, dudhi), methi, spinach, banana, papaya, guava, amla
  • High-fibre Gujarati foods: Undhiyu (mixed vegetables), bhakri (jowar/bajra), thepla with methi, raw onion and tomato salad
  • Avoid or limit: Refined flour (maida), white rice as the only grain, deep-fried snacks as the dominant food, excess tea/coffee without adequate water
  • Isabgol (psyllium husk): 1-2 teaspoons in a glass of warm water at night - one of the most effective and well-tolerated fibre supplements; must be taken with plenty of water
  • Water: At least 8-10 glasses of water per day; warm water in the morning on an empty stomach stimulates bowel movement in many patients

What Happens If Constipation Is Ignored?

  • Anal fissure - hard stools tear the anal lining, causing painful, bleeding bowel movements
  • Hemorrhoids - straining increases venous pressure and causes hemorrhoidal engorgement
  • Fecal impaction - severely hard stool that cannot be passed, requiring medical intervention
  • Rectal prolapse - chronic straining pushes the rectum through the anus
  • Diverticulosis - increased colonic pressure from low-fibre diet and straining causes pouches in the colon wall
  • Missed underlying diagnosis - chronic new-onset constipation not investigated may delay diagnosis of colorectal cancer or other serious conditions

?? Constipation in India

India-specific context

  • Constipation affects an estimated 22% of the Indian adult population - driven by increasing urbanisation, low-fibre refined food diets, sedentary office work, and chronic dehydration
  • The shift from traditional high-fibre Indian diet (whole grains, pulses, vegetables) to refined foods (maida, white rice, packaged snacks) is a major driver of increasing constipation rates
  • Cultural hesitancy in discussing bowel habits delays presentation - many patients with anal fissures or hemorrhoids secondary to constipation present months to years after symptoms begin
  • Chronic laxative overuse - particularly stimulant laxatives purchased without medical supervision - is common in India
  • Hypothyroidism, which is extremely prevalent in India (particularly in women), is a commonly missed reversible cause of constipation

Desi Patient Questions

Kabaj rooj thay chhe - isabgol lau chhu - koi permanent solution chhe?

Isabgol symptomatic relief aapé chhe. Permanent solution: dietary fibre vadharo (bhakri, atta roti, vegetables, fruits), water 8-10 glasses per day, rooj exercise, ane breakfast pachhi toilet routine. Lifestyle change = permanent solution. Isabgol = supplement, not cure.

Constipation sathe stool ma blood aave chhe - kya doctor pase java joiye?

Ha - turant doctor pase javo. Blood in stool + constipation = evaluation zaruri chhe. Most common causes: hemorrhoids ya fissure (treatable). But colorectal cancer exclude karvu zaruri chhe - especially age 45+ ya jyaré weight loss pan hoy. Doctor evaluation + colonoscopy if indicated.

Bacho ne rooj motion nathi thatu - koi gharelu upay chhe?

Children ma: adequate water ane fruits/vegetables khavado. Rooj morning toilet routine stablish karo. Jyaré dietary changes 2 weeks ma kaam na kare, ya pain hoy - paediatric doctor pase javo. Children ma constipation thi fissure ane fear of defecation common cycle thay chhe - early management important chhe.


Frequently Asked Questions

Normal bowel frequency ranges from 3 times per day to 3 times per week - a wide range. Any frequency within this range is normal, as long as stools are not hard, passage is not difficult or painful, and there is no persistent bloating or discomfort. The key is whether your pattern has changed from your normal - a sudden change (particularly new constipation above age 45) is more clinically significant than a longstanding pattern of infrequent stools.

Late eating does not directly cause constipation, but it can disrupt the gastrocolic reflex - the natural stimulation of bowel movement that occurs after eating (strongest in the morning after breakfast). People who eat late and skip breakfast may miss the most effective natural window for defecation. Establishing a regular breakfast routine and responding to the subsequent urge to defecate helps establish a healthy bowel pattern.

Yes - isabgol (psyllium husk) is one of the safest long-term fibre supplements available. It is a natural, non-absorbed, non-addictive bulk-forming laxative. The key requirement is taking it with adequate water (at least one full glass per glass of water alongside). Without sufficient water, isabgol can actually worsen constipation by forming a thick mass in the gut. It can be taken daily for extended periods without dependency concerns.

Yes - a distended, gas-filled colon from constipation can press on the lumbar nerves and cause referred lower back pain. This is particularly common when the sigmoid colon is loaded with hard stool. Relieving the constipation typically resolves the back pain component. However, chronic back pain should be evaluated independently to exclude musculoskeletal or neurological causes - especially if it persists after bowel movements are normalised.

Laxatives are appropriate for short-term relief of constipation when dietary changes have not worked, for constipation caused by medications (particularly opioids), for bowel preparation before colonoscopy, and in certain medical situations (post-operative, post-delivery). Stimulant laxatives (senna, bisacodyl) should not be used daily for months or years - they can cause laxative dependency and colonic nerve damage over time. Bulk-forming and osmotic laxatives are safe for longer-term use. The goal should always be to treat the underlying cause (diet, activity, medications) rather than rely on laxatives indefinitely.

Related Pages

Hubs & Related Symptoms: Bowel Habit Symptoms Hub | GI Symptoms Hub | Chronic Constipation | Hard Stool | Straining During Stool | Pain During Bowel Movements
Treatment Pages: Colonoscopy | Hemorrhoids Surgery | Anal Fissure Surgery

Chronic Constipation Not Improving? Get Properly Evaluated in Vadodara

Dr Samir Contractor at Sterling Hospital, Vadodara provides colonoscopy, anorectal evaluation, and targeted treatment for constipation and its causes.

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, especially when red-flag features are present.