11 most common colon cancer symptoms

11 Colon Cancer Symptoms And Signs

(Last Updated On: January 11, 2018)

Colon Cancer implies the presence of cancerous tumors in the colon or rectum. Being the third most commonly occurring type of cancer across the world, it always begins with small, non-benign polyps which can turn cancerous on remaining unchecked.

American Cancer Society’s Predict 97,220 new cases of colon cancer in the United States in 2018.

Regular colonoscopies could help find these polyps before they become deadly. though they need turned cancerous and only spread as far as the walls of the colon, full recovery is possible. it is thus necessary for one to be cognizant of the following symptoms of colon cancer; early observation and subsequent diagnosis could save one’s life.

1) Constipation

constipation : colon cancer symptoms

Constipation that persists over a number of days might occur in association with colon cancer. A 2011 study published in the Asian Pacific Journal of Cancer prevention highlights the link between constipation and colorectal cancer risk.

The research written in the European Journal of Cancer in 2004, supported the theory that constipation or laxative use will increase the risk of colon cancer.

A tumor present at the far end of the colon will build it very tough to eliminate waste products, thereby causing constipation.

Chronic, or ongoing, constipation might even increase your risk of developing colon cancer.

2) Diarrhea

Diarrhea : colon cancer symptoms

If you suffer from diarrhea for over a couple of weeks, it may be an early symptom of colon cancer.

According to the “BMC Medicine” article, over 1 in 5 individuals with colon cancer can experience diarrhea.

It will cause alternating constipation and diarrhea, Due To Blockage Of Bowel By Tumor.

You may also experience frequent gas, abdominal pain, nausea, and vomiting. Plus, a tumor could irritate or narrow the lining of the intestine.

It is crucial to ask your doctor when you have diarrhea that lasts for several days, because it will cause dehydration, drain your body of nutrients and indicate other serious problems, like colon cancer.

3) Abnormal Stool

abnormal stool : colon cancer symptoms

The stool condition also leads to change when a people develop colon cancer. Often, the stool obtains the nature of long, thin, “pencil stool,” basically losing caliber and thickness.

In some cases, the stool’s color can also be abnormal; usually dark due to bleeding in the digestive passage. Such signs are hard to miss, particularly if this uncommon stool quality isn’t a one-time occurrence, however, is observed for a protracted period.

Most often, blood in the stool is due to piles (hemorrhoids), where the veins in the back passage become fragile and cause a little bleeding during a bowel movement. this type of bleeding is usually red.

Whether bleeding is due to piles, a stomach cancer, it’s necessary to get it checked by a doctor. correct diagnosis is crucial for appropriate treatment.

4) Change in the Pattern of Bowel Movements

change in bowel movement : colon cancer symptoms


if you have a persistent feeling of instantly desperate to have a bowel movement or to try however no stool is passed, it’s not a good sign. this sense will occur even after having a bowel movement.

Changes in your pattern of bowel movements may be a symptom of colon cancer. It will occur when a tumor blocks the bowel and prevents you from completely emptying your bowels.

If you persistently have the feeling of incomplete evacuation after a bowel movement, discuss the problem together with your doctor.

5) Pain In Abdominal

abdominal pain : colon cancer symptoms

If your lower part of abdominal, hurts or feels painful when touched, this could be an early warning sign of tumor growth in the digestive tract, colon or rectum.

In fact, abdominal pain is common in people who are later diagnosed with colon cancer.

A tumor will cause a block in the colon, limiting blood flow. This results in abdominal pain which will be severe. This pain can also indicate that cancer has begun to spread to different organs.

These symptoms are similar to many different conditions like GERD, IBS, frequent indigestion, etc. and therefore tend to get misdiagnosed.

If abdominal pain or tenderness persists for over 2 to 3 days, consult your doctor for correct diagnosis.

6) Anemia

anemia : colon cancer symptoms

Anemia refers to a low red blood cell count in the body. The hemoglobin in red blood cells carries oxygen throughout the body.

Symptoms of anemia, like pale skin, a quick or irregular heartbeat, shortness of breath, dizziness, and cold hands and feet, should not be taken lightly.

Unexplained anemia is also due to colon cancer. Usually, the cause of iron-deficiency anemia is cancer at the right side of the colon. This occurs when tumors start bleeding slowly into the digestive tract, causing blood loss over time.

A research published in the British Journal of Cancer in 2008 proves a clear connection between anemia and cancer, with the risk rising due to hemoglobin level drops. This study also confirms iron deficiency as an independent predictor of cancer.

If you have signs of anemia, consult your doctor immediately to get your hemoglobin level checked.

7) Weight Loss

weight loss : colon cancer symptoms

If you’re above the age of 50 and quickly losing weight without any known reason, it is a cause for concern. Sudden, unexplained weight loss will indicate a serious health problem, together with colon or rectal cancer.

With cancer cells becoming active in the body, there is a particular level of protection the body puts up, trying to stem their multiplication and reduce damage. when the immune system works overtime, more calories are burnt than consumed, therefore resulting in further weight loss.

A 2006 research published in the Annals of the Royal College of Surgeons of England found that unexplained weight loss occurs mostly during advanced stages of colon cancers.

The growth of a tumor will result in loss of appetite, as cancer can affect your metabolism, thus causing weight loss.

If you are quickly losing weight without changing your diet or exercise routine, discuss this with your doctor.

8) Bloating and Gas

bloting and gas : colon cancer symptoms

Sometimes most of the people suffer from gas and bloating, but, if the problem happens together with a number of the other symptoms mentioned here, it ought to be a warning sign of a tumor developing in the colon.

A tumor causes obstruction in the colon. depending on the severity of the blockage, gas, solid and liquid is also prevented from passing out of the body.

This, in turn, causes continuous bloating as well as gas.

If you have many discomforts because of gas and bloating, see a doctor to rule out the possibility of cancer.

9) Problem in Breathing

Problem in Breathing : colon cancer symptoms

Some people with colon cancer also report feeling short of breath very often. In most instances, this happens in the elderly who have anemia as well. This shortness of breath implies an increased pressure of cardiac functioning that in itself is a serious risk as well.

10) Loss of Appetite

Loss of Appetite : colon cancer symptoms

In the Most number of colon cancer cases, patients show a loss of appetite – a phenomenon not entirely understood. One chance is that abdominal discomforts are off-putting and instinctively hardwire patients to avoid eating much.

In cases where there aren’t too several symptoms of abdominal pain, bloating, gas, etc., the reason for the loss of appetite is somewhat tough to pinpoint.

11) Vomiting and Nausea

vomiting and nausea : colon cancer symptoms

Not all patient who suffer colon cancer experience nausea and vomiting. In some cases, however, the abdominal discomforts are accompanied by the urge to puke, which may or may not provoke a bout of vomiting.

It’s usually people with more sensitive digestive systems and compromised immunity who are probably to have these symptoms with colon cancer.


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