Hemorrhoids: Causes, Prevention, and Treatment

April 20, 2026 Dr. Michael Lee – Health Editor Health

Hemorrhoids, a common yet frequently underreported gastrointestinal condition, affect approximately 75% of adults at some point in their lives, with prevalence peaking between ages 45 and 65. While often dismissed as a minor inconvenience, chronic or severe hemorrhoidal disease can significantly impair quality of life, leading to pain, bleeding, and complications such as thrombosis or anemia. Current clinical understanding emphasizes a multifactorial pathogenesis involving increased venous pressure in the rectal plexus, weakened connective tissue support, and behavioral factors like chronic constipation or prolonged sitting. As of 2026, management strategies remain stratified by severity, with lifestyle modification and topical agents forming the cornerstone of first-line care, while minimally invasive procedures and surgical intervention are reserved for refractory cases.

Key Clinical Takeaways:

  • Hemorrhoids affect up to three in four adults, with risk amplified by low-fiber diets, obesity, and pregnancy-related pelvic pressure.
  • First-line treatment focuses on dietary fiber augmentation, hydration, and topical therapies; procedural interventions like rubber band ligation are effective for Grade II-III internal hemorrhoids.
  • Persistent symptoms warrant evaluation to rule out colorectal pathology, particularly in patients over 50 or those with rectal bleeding.

The pathophysiology of hemorrhoidal disease centers on the disruption of the anal cushions—vascular submucosal structures that contribute to continence. When intra-abdominal pressure rises due to straining during defecation, pregnancy, or heavy lifting, these cushions become engorged and may prolapse. Over time, repeated stress leads to fibrosis and weakening of the supporting Treitz’s muscle, resulting in symptomatic internal or external hemorrhoids. A 2023 longitudinal study published in The American Journal of Gastroenterology followed 12,450 participants over eight years and found that individuals with chronic constipation had a 2.8-fold increased risk of developing symptomatic hemorrhoids (95% CI: 2.4–3.3), while those consuming less than 15g of daily fiber faced nearly double the risk compared to high-fiber consumers (>25g/day).

Despite the high prevalence, hemorrhoids remain undertreated due to patient embarrassment and misattribution of symptoms. Rectal bleeding, while commonly attributed to hemorrhoids, necessitates endoscopic evaluation to exclude malignancy or inflammatory bowel disease, especially in older adults. According to the American Society of Colon and Rectal Surgeons (ASCRS), approximately 10% of patients presenting with presumed hemorrhoidal bleeding are found to have colorectal neoplasia upon colonoscopy. This underscores the importance of timely referral for diagnostic clarification rather than empirical treatment.

First-line management remains conservative, guided by the 2022 ASCRS clinical practice guidelines. Key recommendations include increasing dietary fiber to 25–30g/day through whole grains, legumes, and vegetables, adequate fluid intake, and avoidance of prolonged toilet sitting. Topical agents such as lidocaine-prilocaine combinations or corticosteroid-containing formulations may provide short-term relief for pain and inflammation, though prolonged steroid use is discouraged due to risk of skin atrophy. For patients with persistent Grade II-III internal hemorrhoids, office-based procedures like rubber band ligation demonstrate success rates exceeding 80% in multicenter trials, with minimal downtime and low complication profiles.

“The goal of therapy is not merely symptom suppression but restoration of normal anorectal function while minimizing recurrence,” states Dr. Elena Rodriguez, MD, PhD, colorectal surgeon at the Cleveland Clinic and lead author of the 2024 meta-analysis on minimally invasive hemorrhoid therapies published in Surgical Endoscopy. “We now have robust data showing that early intervention with rubber band ligation reduces the require for hemorrhoidectomy by nearly 60% in motivated patients who adhere to postoperative fiber regimens.”

Emerging therapies include Doppler-guided hemorrhoidal artery ligation (DGHAL) and transanal hemorrhoidal dearterialization (THD), which target the arterial supply to hemorrhoidal plexuses. A 2025 randomized controlled trial published in JAMA Surgery comparing THD to conventional hemorrhoidectomy in 310 patients found equivalent symptom control at 12 months but significantly lower postoperative pain scores (imply difference: 2.3 on VAS scale, p<0.001) and faster return to normal activity (median: 4.2 vs. 14.7 days). The study was funded by the National Institutes of Health (NIH) under grant R01DK128455 and conducted across seven academic medical centers in the U.S. And Canada.

For patients experiencing recurrent bleeding, prolapse, or discomfort despite conservative measures, timely evaluation by a specialist is essential. It is highly recommended to consult with vetted board-certified gastroenterologists or colorectal surgeons who can perform diagnostic anoscopy or sigmoidoscopy to confirm the diagnosis and rule out concomitant pathology. Individuals struggling with dietary modification may benefit from referral to registered dietitians specializing in gastrointestinal health to implement sustainable fiber-rich eating plans.

While hemorrhoids are benign in nature, their impact on daily functioning and psychological well-being should not be minimized. Public health initiatives focused on destigmatizing anorectal conditions and promoting early fiber intervention could reduce the burden of avoidable procedures. Future research directions include investigating the role of gut microbiome alterations in venous wall integrity and evaluating biofeedback-assisted defecation training for patients with dyssynergic defecation contributing to recurrent hemorrhoids.

*Disclaimer: The information provided in this article is for educational and scientific communication purposes only and does not constitute medical advice. Always consult with a qualified healthcare provider regarding any medical condition, diagnosis, or treatment plan.*

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