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Dr QM Leong
Dr QM Leong

Is Lower Back Pain A Sign Of Colon Cancer? 8 Factors To Look At

Are you experiencing persistent lower back pain and wondering, “Is lower back pain a sign of colorectal or colon cancer?” Although it might feel disconcerting, understanding the potential signs of colon cancer, including lower back discomfort, is crucial. But does colon cancer cause back pain in all cases? Or, more specifically, does colon cancer cause lower back pain frequently?

Breaking down the understanding of colorectal cancer, often referred to as colon cancer, it can exhibit itself in seemingly unconnected ways. Lower back pain is a frequent issue among adults and, while it’s commonly associated with age or lifestyle factors, it can occasionally signal severe health conditions, including bowel cancer.

Changes in your bowel habits, such as constipation, diarrhoea, or variations in the consistency of your stool, can be markers of bowel health and potential signs of colon cancer. For instance, persistent lower back pain might lead you to wonder if it’s an indicator of a more significant concern, like bowel cancer. It’s crucial to pay attention to these symptoms, heed the signals your body is sending, and seek advice from a colorectal specialist if these changes persist.

Unpacking Colon Cancer And Its Symptoms

It is, however, essential to note that severe back pain should not be ignored. While it may often be due to less extreme conditions, persistent and severe back pain could be a sign of cancer, specifically colon adenocarcinoma, a common colorectal cancer among various cancers. This form of cancer can present many symptoms beyond just back pain. Recognising signs of cancer early on is critical to successful treatment. These signs can include:

  • Changes in bowel habits, such as constipation
  • Unexplained weight loss
  • Persistent fatigue
  • Blood in the stool

Symptoms might not be as pronounced in the early stages of the disease, and thus, regular screenings are crucial. Colon cancer pain can be varied, not limited to the abdominal area. It can manifest as discomfort in the lower back or pelvic region due to the growth of the tumour pressing against nerves or organs.

As the cancer spreads, the pain might become more intense and constant. Therefore, any persistent or severe pain mustn’t be ignored and should prompt a visit to a healthcare professional for a thorough evaluation.

Lower Back Pain And Colon Cancer – What’s The Connection

While not all back pain is a sign of cancer, persistent and unexplained discomfort could be an early-stage symptom. If other signs of colorectal cancer accompany lower back pain, it is advisable to seek medical advice promptly.

Such signs of cancer can be changes in bowel habits like constipation, which is not usually linked with back pain but is commonly associated with colon cancer.

Similarly, blood in the stool, another symptom frequently found in colorectal cancer cases, should be taken seriously, especially if seen in conjunction with persistent lower back pain. To provide a comprehensive understanding of the connection between lower back pain and colon cancer, let’s detail a list of associated elements, each of which may contribute to the symptomatology:

1. Higher Risk

Specific individuals are at risk of developing colon cancer. This includes those with a family history of the Particular lifestyle choices that can also increase an individual’s susceptibility to colon cancer. This includes a diet that’s low in fibre and high in fat or calories, lack of regular physical activity, tobacco use, and excessive alcohol consumption. For instance, the regular consumption of processed meats and red meat has been linked to an increased risk of colorectal cancer.


Obesity also has a strong correlation with an increased risk of colon cancer, and obese individuals are more likely to die from colon cancer than people considered to have a normal weight. Lastly, individuals with type 2 diabetes have an increased chance of developing colon cancer, as both conditions share some common features, such as insulin resistance.


Furthermore, age is an important factor in colon cancer, with the majority of people diagnosed with the condition being over 50. However, it can happen at any age, and rates of colon cancer in people under 50 have been increasing. Therefore, even if you’re younger, you shouldn’t disregard potential signs of colon cancer, especially if you have other risk factors.

Paying attention to persistent pain and changes in bowel habits is essential, as these symptoms should prompt immediate medical consultation. Remember, early detection is critical to effective treatment, so regular check-ups and screening are invaluable, particularly for those in high-risk groups.

2. Cancer Symptoms

Although lower back pain can be associated with numerous conditions, it becomes a concern when it persists alongside other symptoms such as alterations in bowel habits, unexplained weight loss, or persistent fatigue. These symptoms, when occurring together, could indicate a potential issue with your colon health.

It’s therefore vital not to dismiss such signs as merely a part of ageing or lifestyle habits. Instead, it would be advisable to consult with a colorectal specialist or your healthcare provider. They can steer you towards appropriate diagnostic tests and if required, discuss potential treatment strategies for bowel cancer.

How Colon Cancer Starts

Colon cancer usually starts as small, non-threatening clusters of cells called polyps. Over time, without adequate preventative measures, these can evolve into cancerous cells. One could question if such a condition confined to the bowel could trigger lower back pain. While it might not be the most common symptom, it is indeed a possibility. This is particularly true in the more advanced stages of colon cancer, when the growth of the tumour might press against nerves, tissues, or organs, leading to discomfort or even severe pain in the lower back.

The presence of unexplained, persistent lower back pain, especially if it doesn’t improve with rest or standard pain-relieving measures, is something that you should bring up with your doctor. Although many cases of lower back pain are not due to cancer, it’s always better to err on the side of caution. 

Colon Cancer Can Be Mistakenly Confused With Just Back Pain

In some cases, colon cancer can manifest itself in unusual ways. For example, persistent scapular pain, or discomfort in the shoulder blade area, can sometimes be a symptom of this disease. Although a less common symptom, it underscores the importance of thorough physical examinations when unexplained pain or discomfort is present. In conclusion, any persistent or unexplained symptoms should be discussed with a healthcare professional, even if they don’t seem directly related to the colon.

3. Bowel Problems

Fluctuations in bowel function should never be overlooked, as they can indicate several digestive system health conditions, colon cancer being one of them. Pain during bowel movements or a sensation of incomplete evacuation could also signal potential problems.

However, it’s important to remember that these symptoms don’t conclusively point to cancer. They could result from numerous other health issues, including irritable bowel syndrome, inflammatory bowel disease, or even simply a shift in your diet. Yet, if these symptoms persist or worsen over time, it’s essential to consult a healthcare professional.

Presence Of Blood In Stool

A consistent presence of blood in your stool is another critical symptom that must not be dismissed. The blood can appear as bright red streaks or could give your stool a dark black appearance. Although this can often be a sign of less severe conditions such as haemorrhoids, it can also be an early warning sign of colon cancer. Similarly, persistent cramping or abdominal pain should prompt a medical consultation.

This brings us back to the topic of persistent lower back pain, which can indeed be related to colon cancer, particularly when paired with the aforementioned symptoms.

When a tumour grows in the colon, it can place pressure on adjacent nerves and tissues, leading to back pain. This is more likely to happen in the advanced stages of colon cancer, hence why it’s not as common a symptom as changes in bowel habits or blood in the stool.

4. Nerve Transmissions

As colon cancer progresses, it can interfere with nerve transmissions, resulting in lower back pain. The mechanism behind this involves the growth and spread of cancer cells. When a tumour develops in or near the colon, it can expand and start pressing against surrounding tissues, including nerves. This pressure can disrupt the normal function of these nerves, leading to pain.

In some cases, the pain occurs because the cancer has spread beyond the colon, leading to spinal tumours. When a tumour develops on or near the spinal cord, it can cause intense back pain. Spinal tumours can be a complication of various cancers, including colon cancer.

Additionally, this back pain can sometimes be associated with other symptoms of colon cancer. While these symptoms can indicate other conditions, the presence of back pain concurrently should prompt immediate medical attention to rule out or confirm a diagnosis of colon cancer. Remember, early diagnosis is critical in effectively treating and managing the disease.

5. Bowel Movements

Fluctuations in bowel function should never be overlooked, as they can indicate several digestive system health conditions, colon cancer being one of them. Pain during bowel movements or a sensation of incomplete evacuation could also signal potential problems.

6. Rectal Bleeding

Rectal bleeding can manifest as bright red blood on your toilet paper or in the toilet bowl after a bowel movement. In some cases, the blood may not be visible to the naked eye and is only detectable through a faecal occult blood test, which is a routine screening test for colon cancer.

This bleeding is caused by the damage inflicted on the lining of the colon or rectum by the growing cancer cells. It’s an alarming symptom that should never be dismissed or overlooked, even if the bleeding is minor or infrequent.

It’s also important to note that while rectal bleeding is often associated with colon cancer, it can also be a sign of other conditions, such as haemorrhoids, anal fissures, or inflammatory bowel disease. These conditions, while not as serious as colon cancer, still require medical attention and treatment.

While this bleeding can occur due to other less severe conditions, such as haemorrhoids or anal fissures, it’s important not to dismiss this symptom, mainly if it is persistent or accompanied by another symptom, such as changes in bowel habits. These could be signs of colon cancer, one of the most common cancer types worldwide and a leading cause of death.

7. Chest Pain

While not as common, chest pain can sometimes be associated with advanced stages of colon cancer, mainly if it has spread or metastasised to the lungs. This process, known as metastasis, involves cancer cells breaking away from the original tumour, travelling through the blood or lymph system, and forming new tumours in other body parts, such as the lungs. These different tumours can then cause damage to lung tissue, potentially causing pain.

If the colon cancer has indeed metastasised to the lungs, treatment options can include chemotherapy, which kills cancer cells throughout the body. However, plans can vary greatly depending on various factors, including the patient’s overall health and the stage and extent of the disease. Always consult a healthcare professional to understand your situation’s best course of action.

8. Spinal Tumour

In rare instances, lower back pain can result from a spinal tumour caused by colon cancer that has spread or metastasised to the spine. This is a severe condition that needs consultation or medical advice. Spinal tumours form when cancer cells from other parts of the body, such as the colon, spread to the spine, resulting in what is known as spinal cancer. These cells can affect the spinal cord, nerve roots, bones of the spine, or even the blood vessels, resulting in varying degrees of pain and discomfort.

The back pain experienced in spinal tumours can range from dull aches to sharp, stabbing pain, depending on the size and location of the tumour. This pain may persist, worsen over time, and often intensify at night or with physical activity. In addition to back pain, other symptoms may also appear, such as weakness or numbness in the arms or legs, difficulty walking, or loss of bladder or bowel control. Some patients may also notice unexplained fatigue.

Does Colon Cancer Cause Back Pain?

While not the most common symptom, back pain can be associated with colon cancer, particularly in the later stages of the disease. This is primarily due to the growth of the tumour, which can cause pressure on surrounding nerves, tissues, or organs, resulting in discomfort or pain. However, it’s important to note that back pain is a common ailment caused by various conditions, many of which are not linked to cancer. Thus, experiencing back pain alone does not necessarily mean colon cancer.

Colon Cancer Can Metastasize And Cause Symptoms On Other Parts Of The Body

When colon cancer advances to metastasis, it signifies that the cancer cells have moved from the initial site, the colon, to other areas of the body, causing additional complications and symptoms.

One such area is the spine. Here, the presence of a spinal tumour can apply constant pressure on the spinal cord or nerves, resulting in severe, long-lasting back pain. Unlike the occasional aches or pains that one might attribute to fatigue or strain, this type of pain is persistent and can intensify at night or during certain physical activities.

Moreover, the metastasis of colon cancer to other regions, like the lungs, can manifest symptoms not typically associated with colon cancer. This can include chest pain or difficulty breathing. Unfortunately, the presence of these symptoms often indicates an advanced stage of the disease.

Ultimately, if you experience severe back pain, chest discomfort, or difficulty breathing, especially in conjunction with other symptoms like changes in bowel habits or rectal bleeding, immediate medical consultation is essential.

Conclusion: Is Lower Back Pain A Sign Of Colon Cancer?

We’ve thoroughly explored the potential link between persistent lower back pain and colon cancer, even though this correlation often presents in less common scenarios. We must remember, however, that back pain is a widespread condition with numerous potential causes. Nonetheless, if such pain persists and is coupled with other warning signs, such as changes in bowel habits or blood in the stool, it warrants immediate medical attention.

Early diagnosis drastically increases the success rates of treating colon cancer and other cancers like breast and lung cancer. This emphasises the importance of being attentive to your body and seeking professional healthcare advice when something seems off. Routine checks such as blood tests and physical examinations can often be the first step towards early detection.

If you find yourself grappling with concerns or seeking additional clarity on the connection between lower back pain and colon cancer, do not hesitate to reach out to Dr. Leong.

With years of experience in the field and a deep understanding of the nuances of colorectal conditions, he is uniquely positioned to guide you through this potentially challenging journey. His commitment extends beyond providing medical advice; he aims to ensure you feel understood, informed, and comfortable during every interaction.

Don’t allow uncertainty to take a toll on your well-being. Schedule a consultation today, and let a colorectal specialist in Singapore like Dr. Leong provide you with honest, casual, and medically informed advice tailored to your individual needs.

Frequently Asked Questions About Lower Back Pain And Colon Cancer

Can Colon Cancer Cause Lower Back Pain In The Early Stage?

While lower back pain can be a symptom of colon cancer, it’s less likely to be a symptom in the early stages. The pain is typically associated with more advanced stages of colon cancer when the tumour has grown large enough to press against nerves or other organs. However, suppose you’re experiencing persistent lower back pain and other symptoms such as changes in bowel habits or blood in the stool. In that case, it’s essential to consult with a healthcare professional.

How Can I Tell If My Back Pain Is Due To Colon Cancer Or Something Else?

It can be challenging to distinguish back pain caused by colon cancer from back pain due to other conditions. While it’s important to remember that back pain is a common condition and is often not linked to cancer, a healthcare professional should evaluate persistent lower back pain accompanied by other potential symptoms of colon cancer (like changes in bowel habits or bleeding in the rectal). Your doctor may perform various tests, such as a colonoscopy screening or a CT scan, to diagnose the cause of your symptoms.

Can Pain From Colon Cancer Be Confused With Kidney Pain?

Yes, the pain from colon cancer can sometimes be confused with kidney pain because both can cause discomfort in the lower back. However, pain usually has distinct characteristics. Kidney pain is often sharp and sudden if it’s due to kidney stones or dull and chronic if it’s due to kidney disease. Colon cancer pain, on the other hand, is usually more constant and may be associated with other symptoms, such as changes in bowel habits and blood in the stool. A healthcare professional should evaluate any persistent pain.

What Other Symptoms Should I Watch Out For If I Have Persistent Lower Back Pain And Am Worried About Colon Cancer?

If you’re concerned about colon cancer, watch for signs like changes in bowel habits (diarrhoea, constipation, or alternation between the two), persistent fatigue, blood in the stool, abdominal discomfort, and feeling like your bowel doesn’t empty. Consult a healthcare professional if you’re experiencing any of these symptoms and back pain.

Can Lifestyle Changes Help Reduce The Risk Of Colon Cancer If I’m Experiencing Persistent Lower Back Pain?

While lower back pain isn’t typically a symptom of early-stage colon cancer, leading a healthy lifestyle can help reduce the overall risk of developing colon cancer. This includes maintaining a healthy lifestyle, such as eating a diet rich in fruits, vegetables, and whole grains, limiting red meat and processed foods, exercising regularly, limiting alcohol, and avoiding tobacco.