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What Causes Hemorrhoids? Understanding Why They Develop

Jun 17, 2026
Dr. Zagum Bhatti
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What Causes Hemorrhoids? Understanding Why They Develop
Published by Seamless Medical CentersClinical information based on the expertise of Zagum Bhatti, M.D.Last updated: July 1, 2026

Hemorrhoids are something many people quietly deal with for years without fully understanding why they developed. Understanding what actually causes hemorrhoids helps clarify why conservative measures have their limits and when more definitive treatment is appropriate.

At Seamless Medical Centers in Port Arthur, TX, Dr. Zagum Bhatti, Board-Certified Interventional Radiologist, provides non-surgical hemorrhoid treatment for patients across the Golden Triangle. Port Arthur HAE service. Houston HAE service.

What Hemorrhoids Actually Are

Hemorrhoids are vascular cushions that exist in the anal canal and lower rectum in everyone. They play a normal role in anal continence. Hemorrhoidal disease occurs when these cushions become enlarged, engorged, or symptomatic. Internal hemorrhoids are above the dentate line in pain-insensitive rectal mucosa — which is why they often bleed without pain. External hemorrhoids are in pain-sensitive skin and can be quite painful when thrombosed.

Why Hemorrhoids Become Problematic

The most consistent factors are increased pressure in the rectal veins and prolonged straining. Chronic constipation with straining, prolonged sitting on the toilet, pregnancy, low-fiber diet, obesity, and diarrhea all contribute. For patients in Beaumont, Lumberton, and Orange County where dietary patterns and work-related prolonged sitting are common, these factors are worth addressing alongside formal treatment.

Once hemorrhoids have become significantly enlarged with established increased arterial blood supply, dietary changes alone cannot reverse the engorgement. More direct treatment targeting the blood supply is typically needed.

Learn how HAE addresses the arterial component of hemorrhoid disease.

The Everyday Habits That Lead to Hemorrhoids

Most hemorrhoids trace back to one underlying problem: repeated or sustained pressure on the veins of the lower rectum and anus, which over time causes the normal vascular cushions there to enlarge and become symptomatic. The everyday habits that create that pressure are common, which is why hemorrhoids are so widespread. Chronic constipation and the straining that comes with it are among the most consistent culprits – bearing down forces blood into the rectal veins and stretches the surrounding tissue. A diet low in fiber, along with inadequate fluid intake, sets the stage by producing hard, difficult stools that require straining in the first place. Prolonged sitting is another major contributor, and the modern habit of lingering on the toilet with a phone is a particularly direct one, since sitting on the toilet leaves the anal area unsupported and engorged for far longer than a quick visit would. A largely sedentary lifestyle, in which the bowels move sluggishly and the body sits for hours, compounds the effect, as can repeated heavy lifting that raises abdominal pressure. None of these guarantees hemorrhoids, but each nudges the odds, and several of them together – the low-fiber diet, the desk job, the long bathroom sits – describe the daily routine of a great many people who eventually develop symptoms. The encouraging flip side is that because these contributors are mechanical and habitual, they are also among the most modifiable: changing how long you sit, how much fiber and water you take in, and how you approach bowel movements directly reduces the pressure that drives the whole process.

Life Stages and Risk Factors You Cannot Fully Control

Alongside daily habits, several factors that are harder or impossible to change also raise the likelihood of hemorrhoids. Pregnancy is a classic example: the growing uterus increases pressure in the pelvic and rectal veins, hormonal changes relax vein walls, and the straining of childbirth can bring hemorrhoids on or worsen them, which is why so many women first encounter them during or just after pregnancy. Aging plays a role too – the connective tissue supporting the anal cushions naturally weakens over the years, so hemorrhoids become more common as people get older. There also appears to be a hereditary component, with the tendency running in families, likely reflecting inherited differences in vein and connective-tissue strength. Carrying excess weight increases abdominal and pelvic pressure in a way that parallels some of the mechanical factors above. Understanding these less-controllable contributors is not cause for resignation; rather, it clarifies why some people develop hemorrhoids despite reasonable habits, and it underscores why the factors you can influence – fiber, hydration, activity, and toilet habits – are worth attention, since they are often the difference-makers layered on top of a baseline risk you did not choose.

Why Knowing the Cause Matters for Treatment

Understanding what causes hemorrhoids is not just academic – it directly shapes how they are managed and why certain treatments become necessary. Because pressure and straining are so central, the first line of management always involves addressing those causes: increasing fiber and fluids to soften stools, avoiding prolonged sitting and straining, and staying active. For early or mild hemorrhoids, removing the cause can be enough to let irritated tissue settle. The catch is that once a hemorrhoid has become significantly enlarged and developed an established, increased arterial blood supply, addressing the cause no longer reverses it – the engorged tissue persists even after the straining stops, which is why people are often frustrated that diligent lifestyle changes improve things only so much. At that stage, more direct treatment aimed at the hemorrhoid’s blood supply is typically what is needed, which is the principle behind how hemorrhoid artery embolization addresses the arterial component of hemorrhoid disease. Even then, the original causes still matter, because controlling them is what reduces the chance of new hemorrhoids forming after treatment. In short, the cause explains both why prevention works early and why it has limits once the condition is established.

Reducing Your Risk and Knowing When to Seek Care

The same factors that cause hemorrhoids point straight to how to lower your risk, and these measures are worth adopting whether or not you currently have symptoms. Aim for a fiber-rich diet with plenty of water so stools stay soft and easy to pass, build regular physical activity into your routine to keep the bowels moving, and adjust your bathroom habits: go when you feel the urge rather than delaying, avoid straining, and keep toilet visits brief rather than turning them into reading or scrolling sessions. For patients across the Golden Triangle – Port Arthur, Beaumont, Orange, Lumberton, and surrounding communities – these are practical, no-cost steps that genuinely reduce the odds of trouble. When prevention has not been enough and hemorrhoids have already become symptomatic, that is the point to consider an evaluation, particularly if symptoms are persistent; our overview of hemorrhoid symptoms and when treatment is warranted can help you gauge where you stand. And because the underlying causes never fully disappear, keeping up these habits after any treatment is the best way to keep new hemorrhoids from developing down the road. Patients from Lake Charles and western Louisiana are also seen at the Port Arthur office.

Are Hemorrhoids Something You Caused?

People often ask, with some guilt, whether they brought hemorrhoids on themselves. The honest answer is reassuring: hemorrhoids are extraordinarily common, the anal cushions that become hemorrhoids are a normal part of everyone’s anatomy, and the factors that turn them symptomatic are a mix of ordinary habits and circumstances largely outside anyone’s control, such as pregnancy, aging, and heredity. Plenty of people with good diets and sensible routines still develop them, and plenty with poor habits never do. So while certain behaviors clearly raise the odds, having hemorrhoids is not a moral failing or evidence that you neglected yourself – it is one of the most common conditions adults experience. What is within your control is how you respond: adjusting the habits that contribute, and seeking evaluation when symptoms persist rather than enduring them out of embarrassment. Framing it that way tends to be more useful than self-blame, because it points toward the practical steps – dietary changes, better toilet habits, and timely care – that actually improve the situation, rather than dwelling on how the hemorrhoids came to be in the first place. If you are in Port Arthur, Beaumont, or the surrounding Golden Triangle and your symptoms have become persistent, an evaluation can confirm what is going on and what, if anything, to do about it – turning vague worry into a clear, manageable plan, which is almost always a relief in itself. And because hemorrhoids are so common and so treatable, there is rarely any reason to carry that worry, or the symptoms themselves, for longer than you have to.

Frequently Asked Questions

Do hemorrhoids go away on their own?

Mild external hemorrhoids from a specific cause may resolve with conservative management. Established internal hemorrhoids with consistent bleeding have generally progressed beyond spontaneous resolution.

Can I prevent hemorrhoids after treatment?

Maintaining high fiber intake, adequate hydration, and avoiding prolonged sitting reduces the risk of new hemorrhoid development. After HAE, treated hemorrhoids do not regrow, though new ones can develop over time.

Are hemorrhoids hereditary?

There appears to be a genetic component, as the condition tends to run in families. However, lifestyle and dietary factors remain the strongest modifiable contributors.

Can patients from Lake Charles access care at Seamless Medical Centers?

Yes. Patients from Lake Charles, Sulphur, and western Louisiana regularly access care at our Port Arthur location.

Schedule Your Consultation

Contact Seamless Medical Centers at our Port Arthur office. Phone: 409-213-9575. Address: 3300 Jimmy Johnson Blvd, Suite #130, Port Arthur, Texas 77642.

Medical Disclaimer 

Individual results may vary. This information is for educational purposes only and should not replace professional medical advice. Treatment decisions should be made in consultation with qualified healthcare providers. 

Published by Seamless Medical Centers | Clinical information reflects the expertise of Dr. Zagum Bhatti, MD, Board-Certified Interventional Radiologist, Founder of Seamless Medical Centers. 

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