How to Tell If It’s Hemorrhoids or Colorectal Cancer

Hemorrhoids, those uncomfortable and often embarrassing lumps around your anus, are a common concern for many. But what happens when symptoms overlap with something more serious, like colorectal cancer? March is Colorectal Cancer Awareness Month, an important time to understand the differences and similarities between these two conditions.  Some may attribute their symptoms to ‘just hemorrhoids’, potentially delaying a proper diagnosis until their symptoms become more severe. 

With colorectal cancer affecting approximately one in 24 people and becoming increasingly prevalent in younger adults, it’s important to recognize the signs and when to seek medical advice.1   

Hemorrhoids, which are swollen blood vessels in or around the anus, are not a sign of colorectal cancer (also known as colon cancer). However, symptoms of hemorrhoids, such as rectal bleeding, can indicate cancer when paired with other symptoms. This is where confusion often arises, and why it’s important to stay vigilant about your colorectal health. If your symptoms are related to internal hemorrhoids, USA Hemorrhoid Centers can help. 

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Hemorrhoid symptoms can sometimes overlap with colorectal cancer symptoms

Understanding Hemorrhoid Symptoms

Hemorrhoids are uncomfortable swollen veins around the anus, and it’s estimated that about one in 10 people experience them. Hemorrhoids can affect people of any age, but they are most common in people between the ages of 45 and 65. 

Hemorrhoids come into two forms: internal and external. External hemorrhoids are located around the anus and are more noticeable. They also tend to be more painful than internal hemorrhoids because of their location, which has more nerve endings. 

No matter whether they are internal or external, hemorrhoids can cause a range of painful symptoms including: 

  • Bleeding 
  • Itching around the anus 
  • Mucus discharge  
  • Feelings of fullness after defecating 
  • Uncomfortable bowel movements 

Hemorrhoid symptoms often improve within a few days to a week and are generally benign. It’s important to be aware, however, that internal hemorrhoids can take longer to heal and may get progressively worse. When internal hemorrhoids are left untreated, they can start to protrude out of the anus, a condition known as prolapse. Prolapsed hemorrhoids can cause significant pain and may need medical interventions to treat them, such as hemorrhoid artery embolization (HAE). 

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Symptoms of colorectal cancer are often confused with hemorrhoid symptoms
These ribbons represent the fight against cancer, and each color represents a specific type. Colorectal cancer’s ribbon is dark blue.

Colorectal Cancer: What You Need to Know

Colorectal cancer is a polyp that forms inside the colon or rectum. Most polyps are benign but have the potential to turn into cancer. Out of the 150 thousand people diagnosed with colon cancer each year, a third of them will not survive.  

Colorectal cancer mainly affects adults over the age of 50, but genetics can also play a role in cancer risk. Your risk can also increase if you: 

  • Eat a diet high in red meat or low in fiber. 
  • Smoke or used to smoke. 
  • Are overweight or obese.
  • Have inflammatory bowel disease (IBD). 

Some of these risk factors, such as eating a low-fiber diet and having IBD, are also risk factors for hemorrhoids. 

Early-stage colon cancer doesn’t usually present symptoms. However, some symptoms of colorectal cancer, such as rectal bleeding, can also overlap with hemorrhoid symptoms, including: 

  • Chronic abdominal pain, cramps, or gas 
  • Changes in bowel habits (diarrhea, constipation, very thin stools, or bloating) 
  • Incomplete bowel movements due to blockage 
  • Fatigue 
  • Unintentional weight loss 

In this case, a gastroenterologist or oncologist may be the best option in finding care for colorectal cancer. 

How to tell the difference between hemorrhoids and colorectal cancer

Hemorrhoids vs Cancer: How to Tell the Difference 

Hemorrhoids and colorectal cancer can share similar symptoms, but these symptoms can present differently. The table below illustrates the difference. 

Symptoms Hemorrhoids Colorectal Cancer
Rectal Bleeding Bright red blood, often painless Dark red blood mixed with stool, persistent bleeding
Bowel Habit Changes Temporary changes, often linked to diet Persistent changes with unexplained constipation or diarrhea
Pain and Discomfort In prolapsed hemorrhoids, pain localizes in the anus, often while sitting down Polyps can cause abdominal or back pain

Even if you experience most of these symptoms, it’s important not to self-diagnose. Gastrointestinal conditions like irritable bowel disease (IBD), irritable bowel syndrome (IBS), Crohn’s disease, and ulcerative colitis can have similar symptoms. 

A hemorrhoid specialist may be able to determine what’s causing your symptoms and recommend the best course of action. USA Hemorrhoid Centers can discuss non-surgical treatment options if your symptoms are synonymous with hemorrhoids. 

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Colorectal Cancer Awareness Month emphasizes that early detection and treatment improves survival rate

Why Colorectal Cancer Screenings Matter 

Early detection and treatment of colorectal cancer significantly improve survival rates, with stage I at a 91 percent survival rate compared to only 15 percent for stage IV. It’s recommended to start colon cancer screenings after 45, and younger if you have a family history. Some diagnostic tests to identify hemorrhoids, such as colonoscopy, can be used to detect colorectal cancer.  

When Hemorrhoid Treatment is Required 

Some hemorrhoids are not able to go away after a week despite using natural remedies. If you are experiencing hemorrhoid symptoms for more than a week, you may need medical treatment. Additionally, you should seek help from a hemorrhoid specialist if you have: 

  • Persistent or severe bleeding 
  • Worsening pain and swelling 
  • Internal hemorrhoid bulging outside the anus (prolapsed hemorrhoid) 

If a hemorrhoid is left intreated, you increase your risk of blood clots in the affected area, known as thrombosed hemorrhoids. You are also at an increased risk of developing anemia, anal fissures, or an infection. The earlier hemorrhoids are treated, the risk of complications decreases.  

 Treatment at USA Hemorrhoid Centers 

If your symptoms are caused by hemorrhoids, USA Hemorrhoid Centers specializes in treating hemorrhoids with hemorrhoid artery embolization (HAE). 

 HAE is an innovative, minimally-invasive procedure that’s designed to reduce blood flow to the hemorrhoid and alleviate symptoms for lasting relief. No incisions are made, and the procedure doesn’t come with a week-long, residual pain like rubber band ligation does. 

If your symptoms are more consistent with hemorrhoids, such as painless rectal bleeding, itching, or mucus discharge, contact us by calling or scheduling an appointment online.

Frequently Asked Questions 

Can hemorrhoids cause cancer?

Hemorrhoids do not cause cancer, but symptoms of colorectal cancer can sometimes overlap with hemorrhoids and can happen simultaneously.

Do hemorrhoids increase colorectal cancer risk?

Hemorrhoids do not increase colorectal cancer risk, but both conditions share similar risk factors such as diet, age, smoking status, and inflammatory bowel disease (IBD).

Can colorectal cancer be mistaken for hemorrhoids?

Colorectal cancer can be misdiagnosed as hemorrhoids, especially in younger people. This can lead to delayed treatment and increase mortality risk.

What are the top two signs of colorectal cancer?

Major indicators of colorectal cancer include persistent diarrhea or constipation in addition to dark, red blood in the stool.

Sources

  1. Colorectal cancer facts and statistics 

Can Hemorrhoids Stop You from Defecating?

Hemorrhoids are swollen veins in the rectal or anal area, often caused by straining during bowel movements, chronic constipation, or increased pressure in the lower rectum due to factors like pregnancy. While they are usually associated with discomfort, pain, or bleeding, one question commonly arises: Can hemorrhoids actually stop you from defecating?

The short answer is that hemorrhoids themselves do not physically block the process of defecation. However, their symptoms can indirectly lead to challenges with bowel movements. Let’s delve into the relationship between hemorrhoids and defecation and explore how to manage related difficulties.

How Hemorrhoids Affect Bowel Movements

While hemorrhoids can cause bowel discomfort, their symptoms can create physical and psychological barriers that make defecation difficult or painful.

Pain and Discomfort
Pain is a primary symptom of hemorrhoids, especially external ones or prolapsed internal hemorrhoids. When bowel movements are painful, individuals may consciously or subconsciously delay defecation to avoid discomfort. This delay can lead to harder stools and worsen the condition.

Rectal Pressure and Fullness
Internal hemorrhoids, particularly when prolapsed, can create a sensation of fullness in the rectum, making it feel as though the bowels are not completely emptied. This sensation can confuse individuals about whether they need to defecate or are experiencing a blockage.

Bleeding and Fear of Worsening Symptoms
The sight of blood during bowel movements can be alarming and cause individuals to avoid going to the bathroom. However, this avoidance often exacerbates the condition, as hard stools from delayed defecation can worsen hemorrhoids.

Can Hemorrhoids Physically Block the Anus?

In rare cases of severe prolapsed hemorrhoids, where internal hemorrhoids protrude outside the anus and cannot be pushed back, there can be temporary physical obstruction. This condition may make it difficult for stool to pass comfortably.

Additionally, large thrombosed external hemorrhoids (blood clots within hemorrhoids) can cause significant swelling around the anal opening, leading to difficulty initiating or completing a bowel movement.

Distinguishing Between Hemorrhoids and Other Causes of Obstruction

While hemorrhoids can make defecation uncomfortable, true physical obstruction is usually caused by other medical conditions, such as:

  • Fecal impaction: Hardened stool stuck in the rectum.
  • Rectal or anal strictures: Narrowing of the anal canal due to scar tissue or inflammation.
  • Tumors or polyps: Abnormal growths in the rectum or anus.

If you experience persistent difficulty in passing stool or feel blocked, it’s essential to consult a healthcare provider to rule out these conditions.

How to Manage Bowel Movements with Hemorrhoids

Soften Stools
Softening stools reduces the strain during bowel movements and minimizes irritation to hemorrhoids.

  • Increase dietary fiber intake with fruits, vegetables, whole grains, and supplements.
  • Stay hydrated by drinking plenty of water throughout the day.
  • Consider over-the-counter stool softeners if recommended by a doctor.

Relieve Hemorrhoid Symptoms

  • Use sitz baths (warm water baths for the anal area) to reduce swelling and pain.
  • Apply over-the-counter hemorrhoid creams or suppositories for temporary relief.
  • Avoid using dry toilet paper; instead, use moistened wipes or rinse with water.

Avoid Straining

  • Respond to the urge to defecate promptly.
  • Use proper posture by leaning forward slightly with feet elevated on a stool.
  • Take your time to avoid unnecessary pressure on the rectal area.

Seek Medical Help
If hemorrhoid symptoms persist or worsen, consult a doctor. Treatments like rubber band ligation, sclerotherapy, or minimally invasive procedures such as hemorrhoid artery embolization can provide long-term relief.

When to See a Doctor

If you experience any of the following, consult a healthcare professional immediately:

  • Persistent difficulty in passing stool.
  • Severe pain or swelling in the anal area.
  • Large amounts of blood during bowel movements.
  • A feeling of complete obstruction or prolapsed hemorrhoids that won’t go back in.

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FAQs About Hemorrhoids and Defecation

Can hemorrhoids cause constipation?
Hemorrhoids don’t cause constipation directly, but pain and fear of discomfort can lead to delaying bowel movements, contributing to constipation.

Why does it feel like I can’t completely empty my bowels with hemorrhoids?
Prolapsed internal hemorrhoids can create a sensation of fullness, making it feel as though stool is still present even after defecation.

Should I avoid defecating if it’s painful with hemorrhoids?
No. Avoiding defecation can lead to harder stools and worsen hemorrhoids. Use treatments to manage pain and soften stools instead.

What’s the best position for defecation with hemorrhoids?
Squatting or leaning forward with knees elevated (using a stool) helps reduce strain on the rectum.

When is surgery needed for hemorrhoids?
Surgery may be necessary for severe, prolapsed, or thrombosed hemorrhoids that don’t respond to other treatments.

Can hemorrhoids go away on their own?
Mild hemorrhoids may improve with dietary changes and symptom management, but more severe cases often require medical treatment.

Internal vs. External Hemorrhoids: What’s The Difference?

Are you having issues with rectal bleeding, itching, pain, or other common hemorrhoid symptoms? If so, you might wonder if those symptoms are a sign of internal or external hemorrhoids. 

Hemorrhoids are swollen blood vessels in the rectum or under the skin surrounding the anus. Where they form determines whether they are external or internal hemorrhoids. 

Although both types of hemorrhoids have the same cause, they can produce different symptoms. There are also varying treatments for internal vs. external hemorrhoids

Understanding the differences can help you determine what to do next and when to see a hemorrhoid specialist. This guide will answer all your questions about how internal and external hemorrhoids differ, including symptoms and treatment options.

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What Are Hemorrhoids?

Hemorrhoids are swollen clusters or ‘piles’ of blood vessels, smooth muscle, and connective tissue. They can be very painful and physically uncomfortable—and even a little embarrassing to talk about. 

However, the reality is that most people have hemorrhoids at some point in their lives. One study found that roughly 11% of the adult population suffers from hemorrhoids at any point in time. (1) It’s estimated that by age 50, one in two adults in the US has dealt with hemorrhoid symptoms, such as anal itching, bleeding during bowel movements, or pain. (2)

Hemorrhoids develop because of excess pressure from straining during bowel movements, often due to constipation. A lack of blood flow from prolonged sitting can also cause hemorrhoids, as clusters of blood vessels and connective tissue become swollen and enlarged. Additionally, lifestyle factors, such as diet, weight, and exercise, can also lead to hemorrhoids. It’s important to consult a hemorrhoid specialist to ensure an accurate diagnosis for the cause, type, and management plan for hemorrhoids. 

Depending on whether the hemorrhoids are external or internal, you might experience different symptoms. Regardless, it’s important not to leave hemorrhoids untreated.

Internal Hemorrhoids

Internal hemorrhoids occur in the lower rectum, inside the anal cavity, making them invisible from the outside.

A person with an internal hemorrhoid might notice bright red blood on their toilet paper or in their stool. They may not experience pain as there are fewer sensory nerves in the rectal area. 

However, an internal hemorrhoid can cause pain or irritation if it pushes through the anal opening, a condition known as prolapse. A prolapsed hemorrhoid occurs when the connective tissue holding the blood vessels in place can no longer support them, causing a small lump to form at the anus.

External Hemorrhoids

External hemorrhoids develop around the anus. Compared to internal hemorrhoids, external ones are more likely to cause pain and discomfort because there are more pain-sensing nerves under the skin near the anus. 

Other possible symptoms include:

  • Swelling around the anus
  • Itching
  • Bleeding
  • Lumps
  • Pain or discomfort

External hemorrhoids can cause severe pain if a clot develops  A hemorrhoid with a blood clot is called a thrombosed hemorrhoid. This can also occur with internal hemorrhoids but is not as common. It looks like a hard lump near the anus and can cause swelling and inflammation that makes sitting extremely uncomfortable. 

Diagnosing External vs. Internal Hemorrhoids

A hemorrhoid doctor will review your medical history to determine whether external or internal hemorrhoids are causing symptoms. They will ask about your eating and toilet habits and any existing medical conditions.

An interventional radiologist, also known as a hemorrhoid doctor, will also perform an exam:

  • To diagnose external hemorrhoids, the doctor will examine the area around the anus, assessing any existing lumps to make a diagnosis.
  • Diagnosing internal hemorrhoids is more complex because they occur inside the rectum and are not visible. The doctor will perform a digital rectal exam using ultrasound imaging technology.

Treating External vs. Internal Hemorrhoids

Treatment for internal hemorrhoids differs from the treatment for external hemorrhoids. 

External hemorrhoids are often easier to treat. Home treatments can often provide temporary relief from hemorrhoids within a couple of weeks, such as:

  • Sitting in a warm bath can relieve pain and discomfort. 
  • Eating more fiber and drinking more water can help loosen your stool, preventing further straining. 
  • Topical creams or ointments for hemorrhoids can ease itching and swelling. 

Internal hemorrhoids are more likely to require medical treatment. Some mild hemorrhoids can be temporarily relieved through home remedies, but a medical diagnosis and treatment plan from a hemorrhoid specialist are recommended. If you still notice symptoms after a few days, it’s important to see a hemorrhoid doctor.

There are several treatments for internal hemorrhoids, including surgical removal and non-surgical procedures that can effectively relieve symptoms.

  • Hemorrhoid artery embolization (HAE) is a non-surgical procedure that shrinks existing hemorrhoids by stopping blood flow to the pile. It’s a good option for people who want to avoid the pain and discomfort associated with other treatments. 
  • Hemorrhoidectomy is surgical hemorrhoid removal. This procedure does come with some risks, including bleeding post-treatment, so it’s usually only recommended for severe cases. 
  • Rubber band ligation involves tying rubber bands around internal hemorrhoids, which causes them to fall off. This procedure can be painful, and some may experience post-treatment discomfort. 
  • Sclerotherapy involves injecting a medical solution into the hemorrhoids, which stops blood from reaching the hemorrhoid, causing it to shrink. 

When to See a Doctor for Hemorrhoids

If hemorrhoid symptoms persist for more than one week or if you have severe pain or bleeding, you should see a doctor for a diagnosis and to learn about your treatment options.

USA Hemorrhoid Centers is a leading network of outpatient hemorrhoid treatment centers. We offer non-surgical hemorrhoid treatment and personalized treatment plans. Schedule a consultation at a location near you today and find out how we can help you get back to living hemorrhoid-free.

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FAQs

How do you know if you have an internal or external hemorrhoid?

If a hemorrhoid is under the skin around your anus and is painful, it’s likely an external hemorrhoid.

An internal hemorrhoid is more difficult to identify. You can’t see or feel the lump. Also, blood in the stool could be caused by a more serious health condition, such as inflammatory bowel disease or colon cancer. It’s not always clear whether bleeding is related to hemorrhoids.

To find out for certain if you have internal hemorrhoids, external hemorrhoids, or both, schedule a consultation with a hemorrhoid specialist near you. 

Can external hemorrhoids become internal?

External hemorrhoids can’t become internal hemorrhoids. However, a prolapsed hemorrhoid, which is an internal hemorrhoid that bulges outside of the anus, may go back inside on its own. 

Can you have both internal and external hemorrhoids at the same time?

Yes, you can have internal and external hemorrhoids at the same time. That can make it more difficult to figure out if your symptoms are caused by one type of hemorrhoid or another. A hemorrhoid doctor can give you an accurate diagnosis and recommend a treatment plan for the specific types of hemorrhoids you have. 

Internal vs. external hemorrhoids: which are worse?

External hemorrhoids can cause more discomfort. They can lead to itching, swelling, and pain, as well as bleeding. Internal hemorrhoids aren’t always painful. However, they can be harder to get rid of. People with moderate to severe internal hemorrhoids may require medical treatment to help alleviate their symptoms. 

Are external or internal hemorrhoids more common?

External hemorrhoids are more common than internal hemorrhoids. 

 

References:

  1. Sheikh, Parvez et al. The prevalence, characteristics and treatment of hemorrhoidal disease: results of an international web-based survey.Journal of Comparative Effectiveness Research. DOI: 10.2217/cer-2020-0159
  2. LeWine, Howard E. MD. Hemorrhoids and what to do about them. Harvard Health Publishing. www.health.harvard.edu/diseases-and-conditions