Extra pain relief possible after colonoscopy?

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My wife is due to undergo a colonoscopy as a belt and braces measure, having already been diagnosed with inoperable, incurable lung and liver cancer, as something - potentially innocent - showed up in her PET CT scan.

The issue is that she is yet to start any actual treatment (almost seven weeks since discovering she had a then-8cm lung tumour), and is in unrelenting pain, despite a refime of steroids, Zomorph, Pregabalin, Oramorph and paracetamol.

Despite a high pain threshold, the pain has been unbearable at times - and particularly at night.

This is a mum of three whose biggest baby was 10lbs+ and was delivered with just gas and air.

She has been told that the colonoscopy will investigate high into the left side of her bowel - the same side of the body as her main tumour (which is in the lower left lung lobe), and I am extremely worried that the procedure will aggravate her pain to an even higher, more agonising level.

So, I was wondering if there was the potential for her to receive different or additional pain relief than that listed above, or if anyone has any experience of undergoing a colonoscopy on top of managing the pain of a large lower lung lobe tumour.

She is due to begin chemo and immunotherapy at the end of next week.

Thank you for any advice you can give.

I am so frightened.

  • Hello neilf1970

    Thanks for getting in touch with us during what sounds like a very difficult and stressful time for you. I’m Linda, one of the nurses from our support line.

    It’s understandable that you are frightened that your wife’s pain will be aggravated to a new level during the colonoscopy.

    Colonoscopies generally do not cause pain but can be uncomfortable.  A sedative is normally given prior to the procedure but I appreciate that your wife already has unrelenting pain.  

    I would encourage you to ask your wife’s cancer team to review her pain relief prior to the colonoscopy, and it may help to have an anti-anxiety medication added. This can often help alongside pain relief.  They can assess your wife’ pain and prescribe what they feel is right for her.

    It may also help to ask for your wife to be reviewed by a palliative care team as they have a vast amount of experience in helping to support people with their pain. They can be found in hospitals and the community. If you think this may help, please ask your wife’s cancer team to make a referral to them.

    I hope this helps. Please get back in touch if you have any other questions.

    Best wishes and take care.

    Linda J.

    Macmillan Cancer Information Nurse Specialist

    You can also speak with the Macmillan Support Line team of experts. Phone free on 0808 808 0000 (7 days a week, 8am-8pm) or send us an email

    Ref LJ/KG