Why do u get hemorrhoids

What It Is

Hemorrhoids are swollen blood vessels in the rectum and anus that become inflamed, enlarged, and sometimes bleed, causing discomfort and itching. They develop from increased venous pressure in the hemorrhoidal plexus, a network of veins surrounding the rectum and anus. There are two types: internal hemorrhoids located inside the rectum (usually painless unless prolapsed or bleeding) and external hemorrhoids under the skin around the anus (typically painful). The condition, medically termed hemorrhoidal disease, affects people of all ages but becomes increasingly common after age 30.

Historical records document hemorrhoids as far back as Egyptian papyri from 1500 BCE, with ancient physicians describing treatments including olive oil and herbal remedies. The Greek physician Hippocrates around 460 BCE described the condition and its treatment, including the first documented ligation technique. Medieval surgeons developed surgical approaches, though infection and complications were common without modern sterilization. Modern understanding of hemorrhoid pathophysiology developed in the 1800s as physicians recognized the role of portal hypertension and increased venous pressure in their formation.

Hemorrhoids are classified by grade (severity) and location: Grade 1 hemorrhoids bleed without prolapsing, Grade 2 prolapse but reduce spontaneously, Grade 3 prolapse and require manual reduction, and Grade 4 hemorrhoids are permanently prolapsed and thrombosed. Internal hemorrhoids originate above the pectinate line (anatomical boundary with different nerve innervation and blood supply), while external hemorrhoids are below. Mixed hemorrhoids involve both internal and external components. Thrombosed hemorrhoids occur when blood clots form inside, causing severe acute pain and requiring emergency treatment in some cases.

Risk factors include prolonged sitting (especially on toilets), chronic constipation or diarrhea, straining during bowel movements, pregnancy, obesity, inflammatory bowel disease, family history of hemorrhoids, and liver disease. Occupational factors like truck driving with limited bathroom access increase risk. Dietary factors including low fiber intake, insufficient water consumption, and excessive caffeine contribute significantly. Age naturally increases risk as ligaments supporting blood vessels weaken over time, though children and teenagers can develop hemorrhoids from chronic constipation.

How It Works

Hemorrhoid formation begins with increased pressure in the hemorrhoidal venous plexus from straining, prolonged sitting, or constipation. This pressure causes veins to dilate as blood pools within them, stretching surrounding tissue. The hemorrhoidal cushions (normal tissue with blood vessels that helps with continence) enlarge as their supporting structures break down. Over time, the overlying mucosa or skin becomes thin and friable (easily bleeding), while blood vessels become increasingly visible and prone to bleeding with any trauma from bowel movements.

Consider a common scenario: a 35-year-old accountant working long hours at a desk with a diet low in fiber develops progressive constipation over months. He strains increasingly on the toilet, creating pressure spikes in the hemorrhoidal veins. After about 6 months, he notices bright red blood on toilet paper after bowel movements. This case is typical of those seen at Mayo Clinic and Johns Hopkins Hospital daily, where conservative treatment resolves symptoms in 70% of cases within 2-3 weeks of hydration and fiber increase.

The symptomatic progression follows a predictable pattern: initial bleeding or minor discomfort, followed by itching as blood and mucus irritate surrounding skin, then potential pain if thrombosis occurs. Prolapse (protrusion outside the body) develops in advanced cases, causing sensation of incomplete evacuation and soiling. Bleeding typically occurs during or shortly after bowel movements when stool irritates inflamed vessels. Pain intensity correlates with whether hemorrhoids are thrombosed; non-thrombosed internal hemorrhoids typically cause no pain but may bleed significantly.

Treatment approaches target the underlying cause and symptom relief: dietary interventions increase fiber intake to 25-35 grams daily and hydration to improve stool consistency, reducing straining. Over-the-counter topical treatments with hydrocortisone or witch hazel provide symptomatic relief, while sitz baths (sitting in warm water 10-15 minutes) help many patients. Medical procedures include rubber band ligation (tying hemorrhoids to cut off blood flow), sclerotherapy (injection of hardening agents), or infrared coagulation for resistant internal hemorrhoids. Surgical hemorrhoidectomy remains the gold standard for Grade 3-4 disease but is used in less than 5% of cases due to effectiveness of less invasive options.

Why It Matters

Hemorrhoids represent a significant healthcare burden affecting 50% of the population by age 50, resulting in 8.9 million office visits annually and estimated direct healthcare costs of $2.3 billion in the United States alone. The condition causes considerable psychological burden through embarrassment and anxiety about symptoms, with many patients delaying treatment unnecessarily. Untreated hemorrhoids occasionally lead to complications including severe anemia from chronic bleeding, thrombosis causing acute severe pain, and incarceration requiring emergency intervention. The condition's prevalence has likely increased due to increased sedentary lifestyle, processed food diets, and reduced physical activity in modern populations.

Industries experience variable hemorrhoid-related productivity losses: long-haul trucking companies lose significant driver productivity and time from severe hemorrhoid flare-ups, affecting companies like Swift Transportation and JB Hunt. Call center workers with limited bathroom breaks experience elevated rates affecting companies like Amazon and Verizon. Construction workers in hot climates experience higher incidence due to dehydration effects. Airlines face challenges with crew members experiencing hemorrhoid symptoms during long flights; major carriers now provide extended rest protocols for affected crew members during symptom flare-ups.

Future developments include improved minimally invasive procedures like doppler-guided hemorrhoidal artery ligation (HAL), reducing recovery time and pain compared to traditional hemorrhoidectomy. Newer non-invasive treatment options like electrical stimulation therapy are undergoing clinical trials. Lifestyle intervention apps tracking fiber, water intake, and bowel movement patterns may prevent 60% of symptomatic hemorrhoid cases through early intervention. Genetic research into familial hemorrhoid predisposition may identify preventive strategies for high-risk individuals by 2028.

Common Misconceptions

Myth 1: Hemorrhoids are dangerous and can turn into cancer or cause serious complications. In reality, hemorrhoids are benign and cannot transform into cancer, though blood in stool should be evaluated by a physician to rule out other conditions like colorectal cancer. Serious complications like massive bleeding causing shock or strangulation requiring emergency surgery occur in less than 2% of hemorrhoid cases. Most people can manage hemorrhoids safely at home with lifestyle modifications and over-the-counter treatments without medical intervention.

Myth 2: You must have surgery to cure hemorrhoids permanently. Actually, 70% of hemorrhoids resolve with conservative treatment including dietary changes and hydration, requiring no procedures whatsoever. When procedures become necessary, minimally invasive office-based options like rubber band ligation are effective in 80-90% of cases without general anesthesia or hospital admission. Surgical hemorrhoidectomy, while effective, is reserved for the small percentage of patients failing conservative and minimally invasive approaches, with success rates exceeding 95% but longer recovery periods.

Myth 3: Spicy foods directly cause hemorrhoids, making them completely unavoidable for those who enjoy spicy cuisine. While spicy foods can irritate existing hemorrhoids and cause symptom flare-ups, they don't cause hemorrhoid formation—straining and pressure do. People with healthy bowel habits can consume spicy foods without developing hemorrhoids. The real culprit is constipation and straining, whether from diet, dehydration, or habits; addressing these root causes matters more than spice avoidance.