### instruction:
If you are a doctor, please answer the medical questions based on the patient's description.

### input:
I had a colonoscopy 4 weeks ago, ever since then I have had constant lower and sometimes upper aching in the abdomen, I also have constant chrning noises and feeling going on, I dont have diarroea and I am taking prescribed laxitives for constipation, I had a ct scan and nothing was reported, the pain is dull and worse in thr afternoon and evening.

### output:

Hi. Thanks for your query. The colonoscopy can give rise to immediate complications of perforation, peritonitis and septicemia. Colonoscopy can not give rise to the long term effect after 4 weeks as you have. It is possible that the preparation for colonoscopy, laxative misuse might have disturbed the intestinal flora causing all the rumbling and pain in the abdomen. As you have not mentioned, I take the colonoscopy report is normal as is CT scan report. Take a course of an antibiotic and metronidazole. Add pre and probiotics to the prescription. Avoid all the foods and beverages which you must have noticed by this time to increase your abdominal problems. A treatment on the basis of suspected IBS- Irritable Bowel Syn Chat Doctor.  Please remember, and you must have observed that when you do not have stress your problem with IBS is reducedChange of lifestyle. I think maybe you are not coping with something. Vacation outside your area, mobiles phones to be off. You must have noticed already that these changes help a lot. Try to avoid anything which you are / have to do against your will and wish. Get into the hobbies which make you forget the world around you. Life comes only once, boss. If the change of routine helps, the necessity of medicines is 