Understanding Colorectal Cancer
Colorectal cancer is a type of cancer that starts in the large intestine (colon) or the rectum, which is the last part of the digestive system. It usually begins as small growths called polyps on the inner lining of the colon or rectum, which can slowly turn into cancer over time. People visit a doctor for colorectal cancer when they notice changes in their bowel habits, blood in their stool, or unexplained weight loss and stomach pain.
Common Symptoms / Concerns for Colorectal Cancer
When to Seek Professional Care
Book an evaluation with a healthcare provider immediately if you experience or present with:
- Bright red or dark blood in your stool that does not stop
- Severe stomach pain or cramping that comes on suddenly
- Complete inability to pass stool or gas for more than two days
- Unexplained weight loss of more than 5 kg over a few weeks
- Extreme tiredness or dizziness that makes it hard to carry out daily activities
- A visible lump or swelling in your abdomen that was not there before
- Vomiting that does not stop, especially alongside stomach pain
- Yellowing of the skin or eyes (jaundice) alongside any bowel changes
What to Expect During Your Medical Consultation
When you visit the doctor for colorectal cancer concerns, they will ask you about your symptoms, how long you have had them, your diet, and whether anyone in your family has had bowel cancer. The doctor may gently examine your abdomen and may perform a rectal examination to check for any abnormalities. They may also request blood tests, a stool test, or refer you for a colonoscopy — a procedure where a small camera is used to look inside your bowel — to get a clearer picture of what is happening.
Medical Divisions Vetted for Colorectal Cancer
Our platform supports multiple clinical specialties capable of providing consultations for this visit type:
Gut & Digestive Doctor
Clinicians available for colorectal cancer consultations.
Frequently Asked Questions
What causes colorectal cancer?
Colorectal cancer is caused by abnormal changes in the cells lining the colon or rectum, which can grow out of control over time. Risk factors include eating a diet high in red or processed meat, low fibre intake, smoking, heavy alcohol use, being overweight, and having a family history of bowel cancer. In some cases, certain inherited conditions can also increase the risk. Most cases develop slowly over many years, often starting as non-cancerous polyps.
Can I treat colorectal cancer at home with herbs or local remedies?
No home remedy or herbal treatment can cure colorectal cancer. While eating well and staying healthy can support your overall wellbeing, colorectal cancer requires proper medical diagnosis and treatment from a trained doctor. Delaying medical care in favour of home remedies can allow the cancer to grow and spread, making it harder to treat. If you notice any warning signs, please see a doctor as soon as possible.
How is colorectal cancer treated?
Treatment depends on how early the cancer is found and how far it has spread. Common treatments include surgery to remove the affected part of the bowel, chemotherapy (medicines that kill cancer cells), and radiation therapy. In many cases, a combination of these treatments is used. The earlier colorectal cancer is caught, the better the chances of successful treatment and recovery.
Who is most at risk of getting colorectal cancer?
Colorectal cancer is more common in people over the age of 50, but it can affect younger people too. You are at higher risk if a close family member — such as a parent or sibling — has had bowel cancer, if you eat a lot of red or processed meat, if you smoke or drink heavily, or if you are overweight. People with conditions like inflammatory bowel disease or certain inherited syndromes also have a higher risk. Regular screening is important if you fall into any of these groups.
How can I reduce my risk of colorectal cancer?
You can lower your risk by eating more fruits, vegetables, and high-fibre foods like beans and whole grains, and by cutting down on red and processed meats. Regular physical activity, maintaining a healthy weight, avoiding smoking, and limiting alcohol also help reduce your risk. If you are over 50 or have a family history of bowel cancer, talk to your doctor about screening options. Catching any problems early gives you the best chance of staying healthy.
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Our guides are reviewed by internal medical advisory boards to uphold patient guidelines and reference certified therapies.
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