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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Does diverticulitis increase the risk of colon cancer?

Query: Hello doctor, I have been having lower left pelvic pain, so I got a CT scan of the abdomen done. I was diagnosed with mild diverticulitis and diverticulosis. The doctor gave me Flagyl and Cipro. Is it serious? Can this lead to colon cancer? I am very scared. How can you tell that it is diverticuliti...  Read Full »

Dr. Sagar Ramesh Makode

Answer: Hello, Welcome to Do not worry, diverticulum is a common condition, and most patients remain asymptomatic or have mild symptoms. The risk associated with this condition are diverticulitis, which is an infection of the diverticulum pouch, and risk of bleeding. Approximately 75 to 80 per...  Read Full »

I have difficulty passing stools. What should I do?

Query: Hello doctor, I have a difficulty in passing stools and a clogging where the stool passes from the sigmoid colon to the rectum to execute a bowel movement. I just spent several hours of discomfort feeling constipated and as though I needed a bowel movement, only to pass a stool the size of a pea a...  Read Full »

Dr. Muhammad Majid Hanif

Answer: Hello, Welcome to I have carefully reviewed your health query and can understand how worried you are about your health. The symptoms you are talking about are related to constipation. And there are a lot of different reasons for constipation. Sometimes the patient has just hard stools (...  Read Full »

Why do I have dizziness after bowel movement?

Query: Hello doctor, Since a few days, I have had heavy head and stiff neck problem. My head really feels heavy at the end of the day. My neck remains very stiff. I have consulted a neurologist and taking Inderal 10, Shine 10, Naproxen, Nexium and Sibelium. Sometimes, my head trembles too much and neck be...  Read Full »

Dr. Madathupalayam Madhankumar

Answer: Hi, Welcome to Please have a consultation with a surgeon or surgical gastroenterologist to rule out fissure-in-ano. You need to have a colonoscopy as a baseline to rule out colorectal cancer. Even after these if you have symptoms, then we can start drugs to control the bowel ...  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 appears that due to constipation you have developed the pain of the rectum. Relieve the constipation by taking non-irritative purgative. My favorite is Movicol (Polyethylene glycol) with one glass of water at bedtime for two to three weeks. Rule out other ca...  Read Full »

Why am I having liquid stools within a half-hour of eating?

Query: Hi doctor, I am having liquid stools within a half-hour of eating. Sometimes four or five times repeatedly. Symptoms were less severe for years, and a colonoscopy showed normal, but I cannot go out to eat or risk eating away from home for over a year now. It is not about any particular food. But alc...  Read Full »

Dr. C. Elanchezhian

Answer: Hi, Welcome to I understand your concern. You have Irritable bowel syndrome. I suggest you avoid spicy food and oily food. Instead, take regular time for food. I suggest you try the following medications: 1. Tablet Pan D one tablet twice daily before food. 2. Tablet Librax 5 mg/2.5 mg (...  Read Full »

My 10-year-old daughter swallowed a button cell. Should I look into some emergency procedure?

Query: Hi doctor, My daughter aged 10 years had swallowed button cell accidentally. In the x-ray, it is in the intestine. Will it come out through waste?  Read Full »

Dr. Happykumar Kagathara

Answer: Hello, Welcome to I can understand your concern about your daughter's health. Yes, button cell would come with stool generally. But sometimes it get stuck at the junction of the large intestine and small intestine. In such a case, she might require a colonoscopy or surgery to remove ...  Read Full »

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 sugges...  Read Full »

Dr. Ajeet Kumar Lohana

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 »

Can I have rapeseed or canola oil before a colonoscopy?

Query: Hello doctor,Can one have or eat products with rapeseed or canola oil before a colonoscopy? I need help.  Read Full »

Dr. Basuki Nath Bhagat

Answer: Hello, Welcome to I have read your query. I will try to guide you, but detailed food instructions are given to the patient by the doctor performing the colonoscopy. I suggest a low residue diet (LRD) three days before the scheduled date, followed by a clear liquid diet one day before co...  Read Full »

I accidentally took an iron tablet 30 hours prior to colonoscopy. Did it alter my result?

Query: Hi doctor,I went for a colonoscopy about three weeks ago due to experiencing a change in bowel habits, constipation alternating with diarrhea as well as some pain in the stomach. The stool is mushy, very large, and yellowish. However, the colonoscopy was negative. I had been on iron tablets due to m...  Read Full »

Dr. Vishal Patidar

Answer: Hi,Welcome to iron tablets also can lead to black-colored stools.Since when are you experiencing these symptoms, diarrhea, and constipation?Any family history of similar complaints?Any co-morbidities like diabetes?Since when are you on iron tablets?Are you still experiencing co...  Read Full »

I mistakenly took Iron tablets two days prior to my colonoscopy appointment. Could this alter my 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 »

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