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Constipation and Bowel Health

Constipation is common, but it is often misunderstood.

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Normal bowel habits vary between individuals. Some people pass stool daily, while others may go every 2–3 days. However, infrequent, hard, or difficult bowel movements are not normal and should be addressed.

Healthy bowel movements should be soft, regular, and effortless.

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Why Constipation Occurs

The Gastrocolic Reflex

When food enters the stomach, it stimulates the colon to contract. This is called the gastrocolic reflex.

  • Strong in infancy

  • Often suppressed over time due to lifestyle

  • Ignoring the urge weakens this reflex

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Hardening of Stool

The colon absorbs water over time. The longer stool remains, the harder it becomes. This leads to straining, discomfort, and hemorrhoids.

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The Ten Commandments of Bowel Health

  • Do not ignore the urge – go when your body tells you

  • Do not strain – avoid prolonged sitting or forcing

  • Take fiber daily – aim for 25–38 grams per day

  • Drink adequate fluids – 2–4 liters per day

  • Use the gastrocolic reflex – sit after meals for about 2 minutes

  • Optimize positioning – use a footstool to improve bowel mechanics

  • Keep stool soft – essential for prevention of hemorrhoids

  • Maintain hygiene – a bidet is preferred over toilet paper

  • Take ownership – consistency is key

  • Seek medical advice when needed

 

Medical Treatment of Constipation

Certain medications may worsen constipation:

  • Opioid pain medications

  • Iron supplements

  • Some antidepressants

  • GLP-1 weight loss medications (these can slow gut transit)

If constipation begins after starting a medication, it is important to discuss this with your physician.

 

Stimulant Laxatives – Use with Caution

Examples include Senna and Bisacodyl (Dulcolax).

These medications work by irritating the colon to force contraction.

Concerns with long-term use:

  • Dependence on stimulation

  • Reduced natural bowel function

  • Cramping and discomfort

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Melanosis coli may occur with chronic use. This is a benign condition where the lining of the colon becomes darkly pigmented. While not dangerous, it reflects ongoing irritation of the bowel.

For these reasons, stimulant laxatives are best used short-term and not as a regular long-term solution.

Preferred Treatment – PEG-Based Laxatives

Examples include RestoraLAX and MiraLAX.

These work by drawing water into the stool, softening it without stimulating the colon.

Advantages:

  • Safe for longer-term use

  • Works well alongside fiber supplementation

  • Does not irritate the bowel

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How to Use PEG Laxatives

PEG laxatives usually come in a powder form that is mixed with fluid.

The dose can be adjusted:

  • If stools are too loose, reduce the dose

  • If stools remain firm, increase slightly

The goal is a soft, easy-to-pass bowel movement.

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Transitioning Off Stimulant Laxatives

If stimulant laxatives are being used regularly:

  • Do not stop abruptly

  • Gradually reduce use

  • At the same time:

    • Increase fiber intake

    • Introduce or increase PEG laxatives

 

Putting It All Together

Effective management of constipation usually requires:

  • Consistent bowel habits

  • Adequate fiber intake

  • Proper hydration

  • Judicious use of PEG-based laxative

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You are the master of your bowel habits and your treatment.

 

When to Seek Medical Attention​

Seek medical advice if you experience:

  • Persistent constipation

  • Rectal bleeding

  • Unexplained weight loss

  • Severe abdominal pain

  • A sudden change in bowel habits

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