Common "Colonoscopy" queries answered by top doctors | iCliniq


A colonoscopy is a diagnostic test used to see abnormalities and changes in the large intestine and rectum. During this examination, a long flexible tube with a camera attached at its end (colonoscope) is inserted into the patient's rectum, and the doctor visualizes the entire colon. If needed, a polyp can be removed, and tissues can be collected for biopsy.

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All the answers published in this website are written by verified medical doctors, therapists and health experts. The Content has been moderated by iCliniq medical review team before publication. Post your medical clarifications on iCliniq by choosing the right specialty and get them answered. Your medical queries will be answered 24/7 by top doctors from iCliniq.

When should I get my 22-year-old son screened for colon cancer, as his biological father passed away due to colon cancer?

Query: Hello doctor, I am a 62-year-old single female. I conceived my 22-year-old son through donor insemination. Last year, I learned that his biological father had passed away at 48 due to colon cancer. When should I have my son screened? I prefer to have him evaluated sooner than later. Kindly suggest.  Read Full »

Dr. Ajeet Kumar

Answer: Hello, Welcome to I understand your concern. According to the guidelines, any individual with a first-degree relative (biological father in your son's case) with colorectal cancer, called the index case, the person in question should have a screening colonoscopy ten years earlier than...  Read Full »

Do iron tablets affect colonoscopy results?

Query: Hello doctor, I had been for a colonoscopy due to changes in my bowel habit. I had been on Iron tablets due to iron deficiency anemia caused by heavy periods during the perimenopausal stage. I was so busy getting ready for my bowel preparation that I forgot about not taking the Iron tablets. I had s...  Read Full »

Dr. Prathish Kumar

Answer: Hello, Welcome to I have gone through your description and understand your concern. Do not worry; consumption of one Iron tablet will not affect your colonoscopy results. Anyways you had been preparing your bowel for days before the procedure, and that tablet was also taken two days ...  Read Full »

I am a 52-year-old male. Should I take antibiotics to reduce the swelling before a colonoscopy?

Query: Hi doctor, I am a 52-year-old male with a height of 5.10 feet and a weight of 175 lbs. I have been diagnosed with diverticulitis by a doctor. My lower colon has been inflamed (sigmoid) for two and a half months with no relief. My doctor has not prescribed anything. I am scheduled for a colonoscopy t...  Read Full »

Dr. Mian Shah Yousaf

Answer: Hi, Welcome to I reviewed your CT scan (computed tomography) report (reports removed to protect the patient's identity) and your history. There is no diverticulitis; only colonic diverticula has been seen. Your history is also not suggestive of diverticulitis, and 2nd diverticulitis d...  Read Full »

Why is there frequent change in the color of the stools?

Query: Hi doctor, I am a 36-year-old male. My height is 5 feet 7 inches, and my weight is 128 lbs. I recently consulted you for a burning sensation in the lower right abdomen. Not sure if it is the intestine. Today I noticed a dark red patch in the stool. I am trying to meet a gastroenterologist here in pe...  Read Full »

Dr. Ajeet Kumar

Answer: Hello, Welcome to I have seen the photo of stools you attached (attachments removed to protect the patient's identity), which has some maroonish color impression over one side. Do you think it is blood? Since blood usually washes away and turns the color of the water red. I see this...  Read Full »

Is a family history of colon cancer considered high risk?

Query: Hello doctor,A polypoid mucosa with budded branched and crowded hyperchromatic cells that replace normal goblet cells increased cell turnover notes. What does this mean?  Read Full »

Dr. Ajit Naniksingh Kukreja

Answer: Hi, Welcome to Thanks for writing in. You have not provided the history of your illness, apart from the fact that this report is also a part of a full report. Yet a generalized report of this type points to dysplasia. If you need precise information, please share your detailed histor...  Read Full »

Why is there intermittent rectal bleeding with bloody mucus?

Query: Hi doctor, I currently have intermittent rectal bleeding. It has been happening on and off for about two months, typically once or twice a month, but it happened three times yesterday and three times today. What happens is I will have a regular bowel movement, then about 30 minutes later, feel like...  Read Full »

Dr. Ajeet Kumar

Answer: Hello, Welcome to Have you lost any weight in the last two months? Do you have a reduced appetite? Do you have any family history of colon (large bowel) polyps or cancers? The picture you uploaded (attachment removed to protect patient identity) seems that blood is coming out of ...  Read Full »

I frequently have diarrhea and constipation, will there be any chances of colon cancer?

Query: Hi doctor, Here are my symptoms: I would associate chronic dull left side pain for years with my endometriosis, so I did not think much of it. I have normal stools on some days mixed with constipation and diarrhea on other days. I am taking Vesicare, which causes constipation, and contributed to m...  Read Full »

Dr. Ajeet Kumar

Answer: Hi, Welcome to Well, the IBS (irritable bowel syndrome) and colorectal carcinoma are two extremes of the spectrum of the GI (gastrointestinal) diseases. The former is functional non-serious, while the latter is a severe condition. However, it is not only the type of symptoms, which m...  Read Full »

Why do I have constipation and diarrhea alternatively?

Query: Hello doctor, I had diarrhea two years back, and since then I had gastrointestinal problems. But, I never had mucous or blood in the stools, so I thought it is because of IBS and did not take any medication. My stool test reports showed no signs of parasites or any other organisms in the stools. Lat...  Read Full »

Dr. Arvind Guru

Answer: Hi, Welcome to Thanks a lot for the detailed description of your problem. I think you have the following issues. The blood in stools that you are describing appears to originate from some disease in your rectum or sigmoid part of your large intestine.Few drops of painless blood in stool...  Read Full »

What medicines to take for anal pain?

Query: Hello doctor, A few days back, I faced problem with digestion and constipation. I had frequent bowel movement. But, the stool became tight and I had to pressure it out. Now, I feel pain and inflammation in my rectum and it seems that there is some swelling inside. The irritation gets intensified as ...  Read Full »

Dr. Bharat Patodiya

Answer: Hi, Welcome to It seems that your rectal pain might be linked to constipation. To Relieve the constipation, consider using a non-irritative purgative like Movicol (Polyethylene glycol), mixed with a glass of water at bedtime, for a duration of two to three weeks. Additionally, ensure y...  Read Full »

I am diagnosed with IBS-D with blastocystis hominis. What is the treatment?

Query: Hello doctor, I was diagnosed with IBS-D five years ago. This month tests have identified high levels of blastocystis hominis in my stool as well as yeast and imbalance in gut flora. I am traveling away and I am wondering what the best course of action for me is? I have done comprehensive stool an...  Read Full »

Dr. Ambalathu Veettil Hussain Shihaz

Answer: Hi, Welcome to Blastocystis hominis does not usually require treatment unless there is a co-pathogen (they were none found in your stool study) or if the individual is immunosuppressed. The other issue is your SCFA (short-chain fatty acid) and but the rate are a bit on the lower side...  Read Full »

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