Let us be honest about the thing nobody puts on a website. A large number of people who receive a bowel test kit never return it.
The kit arrives, gets put somewhere sensible, and stays there. Weeks pass. It becomes slightly embarrassing to think about, which makes it easier to keep not thinking about it.
If that is you, you are extremely normal, and this is worth reading.
Who does not send it back
This has been studied, and the pattern is consistent. Non-return is more common among younger people, among men, among people from more deprived areas, and among Black, Asian and Afro-Caribbean communities.
That matters because those groups overlap considerably with the people who most need the result. Bowel cancer in younger adults is rising, and it is younger patients who most often report having their symptoms attributed to something else.
The reasons people give, and what to do about each
“It’s disgusting.” It is less involved than most people expect. The device is a small plastic stick with a grooved tip, roughly the size of a pen lid. You touch it to the surface of the stool in a few places, click it back into its tube, and that is the end of your involvement. Nothing is loose, nothing is open, and nothing needs handling.
“I don’t know how.” Read the instructions before the day you need them, not while you are sitting there. Most people who struggle are trying to read a leaflet at an awkward moment. If it is still unclear, message us and we will talk you through it.
“I keep forgetting.” Put the kit somewhere you will trip over it rather than somewhere tidy. The bathroom, not the drawer with the batteries and the takeaway menus.
“I couldn’t go when I meant to.” There is no window. Any bowel movement works, on any day. If you miss the day you planned, that is not a failure, it is just a different day.
“I’ve lost it.” Tell us and we will send another. This happens often enough that it is a routine request, not an awkward one.
“I’m scared of the answer.” This is the real one, and it is the hardest to write about honestly. Not knowing feels safer than knowing, right up until it does not. If this is what is stopping you, that is worth saying out loud to someone rather than solving alone. You can message us or book a consultation and talk it through before you do anything at all.
What happens if you genuinely cannot do it
Worth saying plainly: a stool test is not a requirement for being taken seriously.
National guidance is explicit that a stool test should not be an absolute barrier to referral. If someone has symptoms and cannot or will not complete a test, they can still be assessed and referred using clinical judgement, with the reason noted.
So if the test itself is the obstacle, that is a reason to speak to a doctor, not a reason to do nothing at all.
The only thing that actually matters
A kit in a drawer produces exactly the same amount of information as no kit at all.
If yours has been sitting there, today is a perfectly good day to move it to the bathroom. That is the whole task. Everything after that is easier than you think.
References
- Non-return of faecal immunochemical tests in symptomatic patients: retrospective study. British Journal of General Practice 2023;73:e843.
- Monahan KJ, Davies MM, Abulafi M, et al. Faecal immunochemical testing (FIT) in patients with signs or symptoms of suspected colorectal cancer: a joint guideline from ACPGBI and BSG. Gut 2022;71:1939 to 1962.
- National Institute for Health and Care Excellence. Quantitative faecal immunochemical testing to guide colorectal cancer pathway referral in primary care. Diagnostics guidance DG56, 2023.
- Cancer Research UK. Tips for collecting your poo sample. Patient information.
Figures are drawn from the sources above. Framing and commentary are the author’s own. Last reviewed August 2026.