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Abnormally high FIT test

70 replies

Thomastuchel · 08/07/2026 16:30

I have had bowel and digestive problems on and off for a few years. This weekend I was in a lot of pain and cramping after seeing a GP I had to do a FIT test and a Calprotectin test. Anyway I handled them in yesterday morning and my FIT has come back abnormal my level is 400.

I have to go back to the GP tomorrow and am on 2 week pathway.

I knew something wasn't right, I'm in a bit of a flap so any comforting advice, stories or help would be appreciated.

OP posts:
Gingybread · 13/07/2026 14:37

good luck with it, hope have a colonoscopy every 5 years. The prep is worse then the procedure in my opinion but you will get through it and the dr usually talks to you about it afterwards which is good.

Covidwoes · 13/07/2026 16:22

Is the prep as horrendous as everyone says it is? I am so anxious about it. I am not anxious about the colonoscopy itself, just the prep.

KitsyWitsy · 13/07/2026 16:24

The drinks are absolutely vile. I did get them down but it was a struggle. Then you cant be far from the toilet at all and be prepared for leaks. I had to put a wash on.

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holidayhelpneeded1 · 13/07/2026 16:29

Covidwoes · 13/07/2026 16:22

Is the prep as horrendous as everyone says it is? I am so anxious about it. I am not anxious about the colonoscopy itself, just the prep.

They are very salty and for me, I hate salt so it was horrid. But I read the advice, chilled it down and sipped it through a straw and had a nice drink to sip in between.

Its not pleasant but the second one didnt quite seem as bad as the first for me, but I think it depends on the type you get.

Thomastuchel · 13/07/2026 16:48

My prep has been sent out in the post. I am not looking forward to it at all. Luckily we have two toilets at home so I've warned the rest of the house that when I have to take it one of them is going to be out of bounds to the rest of them.

Im also going to get some of those mats you get for kids to put on the bed. My mattress is a week old and im worried about if I get caught short in the night.

OP posts:
KitsyWitsy · 13/07/2026 16:51

Thomastuchel · 13/07/2026 16:48

My prep has been sent out in the post. I am not looking forward to it at all. Luckily we have two toilets at home so I've warned the rest of the house that when I have to take it one of them is going to be out of bounds to the rest of them.

Im also going to get some of those mats you get for kids to put on the bed. My mattress is a week old and im worried about if I get caught short in the night.

you should be ok by bedtime. I think I had to take my first drink at 6pm or something and it was all over in a few hours. Then the next drink in the morning and you have a further clean out but it's not too bad then.

urghhh47 · 13/07/2026 17:13

Re prep. I have 2 sons with IBD (one has colitis and the other Crohn's). The one with colitis has regular colonacopies since diagnosis in Jan 2020 he says that the new prep is so much better than the older stuff he had. Other son has only recently been diagnosed and said his prep was ok tasting. So it may not be so bad!

igelkott2026 · 13/07/2026 17:26

Covidwoes · 13/07/2026 16:22

Is the prep as horrendous as everyone says it is? I am so anxious about it. I am not anxious about the colonoscopy itself, just the prep.

I didn't think it was, it doesn't taste nice but there was advice on here to use a straw, chill it, put ice cubes in and drink apple juice chasers with it. It still took me nearly an hour to get it down me though!

I was about halfway through the second dose before anything happened. I just didn't like being awake part of the night to keep going to the loo. I had an early morning appointment so was also a bit worried about having an accident on the way there. I sat on a towel but it was ok in the end. I did take the doses a bit earlier than they said because of that.

One thing that I had to go through about 10 pages of Google search results to find was that I had several days of period-type pains afterwards. That wasn't in any information I was given, but it is a known side effect, just one you have to dig deep to find!

igelkott2026 · 13/07/2026 17:27

(I had Plenvu prep)

Thomastuchel · 14/07/2026 08:16

I've had noticeable blood this morning. I passed bloody mucus, I'm not sure whether I should contact the gp again or not? There wasn't a lot but it was definite blood. I took a picture but I won't share here

OP posts:
MissyB1 · 14/07/2026 10:29

Thomastuchel · 14/07/2026 08:16

I've had noticeable blood this morning. I passed bloody mucus, I'm not sure whether I should contact the gp again or not? There wasn't a lot but it was definite blood. I took a picture but I won't share here

I don’t think the GP would do anything different though, the colonoscopy is what you need and you have a date for it. I know it’s scary seeing blood and probably making you think the worst! But there are innocent causes for blood, something as simple as piles for example.

Thomastuchel · 14/07/2026 10:39

I'm on my way to the GP now. They gave me an appointment right away. I have been to the toilet since and there was only a trace of blood in the mucus.

OP posts:
Thomastuchel · 14/07/2026 10:42

I've also received my prep this morning. It is Plenvu which I have read isn't the nicest one to take.

OP posts:
palron · 14/07/2026 11:02

I think Plenvu is half the volume of the usual one Moviprep, so if that's the case, it's a lot easier to get into you!

I don't know what GP will be able to do for you though, since you are scheduled for Colonoscopy soon? But maybe reassurance is what you need.

All the best and good luck with the outcome.

Thomastuchel · 14/07/2026 11:11

I've cocked up I got to the Drs and my appointment is tomorrow 🤦🏼‍♀️

OP posts:
KitsyWitsy · 14/07/2026 11:57

Have you been examined by the GP? Mine did a rectal examination as well but he didn't find anything.

Thomastuchel · 14/07/2026 12:09

KitsyWitsy · 14/07/2026 11:57

Have you been examined by the GP? Mine did a rectal examination as well but he didn't find anything.

I had a rectal exam last week and they couldn't find anything

OP posts:
Thomastuchel · 28/07/2026 20:52

So I've had to to another calprotectin sample and this time it's normal. A couple of weeks ago it was 144 this time it's 15, my notes say likely ibs. Still have a colonoscopy appointment next week as my fit was 400 and Calprotectin 144 at the time of testing. I'm still having bowel issues on and off.

OP posts:
holidayhelpneeded1 · 29/07/2026 12:40

Is there a reason they did a second calprotectin? Hopefully your colonoscopy will give you some answers, is that soon?

mrsjoyfulprizeforraffiawork · 29/07/2026 13:01

They all like giving you Plenvu or Moviprep. If you can't tolerate it, most endoscopy units have Picolax and it is better than those. They don't tell you unless you ask. If the Plenvu won't stay down, ring them and ask to rebook after having a different prep or else ring now and see if you can swap for Picolax. If it is near you, you can go and collect it.

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