Anyone on Flagyl who can help me out?

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Veteran Member

Date Joined Mar 2009
Total Posts : 1118
   Posted 6/27/2009 5:27 AM (GMT -6)   
Hi, i have just been prescribed this to see if it will help to close a fistula which has come through my old scar on my stomach.
I have to take one 3 times a day for 10 days  my question is if after 10 days it hasn't healed then does that mean the drug hasn't worked? i haven't got a repeat prescription and was given 30 tablets. i thought you were on them longer than 10 days  i haven't got another appointment till sept any advice would great thanks so much Bev x
Diagnosed with crohn's at 13 now 42
resection, right hemi 1993 In remmision from 93 till last sept with no meds or docs
2 resections small bowel  and fistula jan 09 and given temp stNo maintance drugs as such on B12 shots,iron syrup,loperimide, 
was on 20mg EScitaliopram.changed to Sertraline 50mg

Veteran Member

Date Joined May 2007
Total Posts : 1220
   Posted 6/27/2009 6:04 AM (GMT -6)   
Hello Bev,

Flagyl is very strong but it really works to kill infection. It will kill infection in the tissue that surrounds the fistula. It also has been shown in some people to reduce the diameter of fistulae or even close them. But that takes time. The short dose your doctor gave you propably is to kill the infection, but it could help shrink that fistula too!

Be aware that the common side effects are bad taste in your mouth, anxiety, high emotions, loss of appetitite, and D. I was on it for several months, but then I got tingly toes (peripheral neuropathy -- stop taking it if you get this). These side effects can be nasty, but remember that your doctor put you this "big gun" antibiotic because you need it!

Take care.
Diagnosed with Crohn's in early 2007.  Several peri-rectal abscesses and two fistulae with setons.  Allergic to Remicade and Humira.  Currently on 6MP, and vitamins D and B-12.

Veteran Member

Date Joined Mar 2006
Total Posts : 1034
   Posted 6/27/2009 10:26 AM (GMT -6)   
yeah, if you get any tingling in your extremities or start experiencing a metallic taste in your mouth, tell your doc who SHOULD have stop cold turkey. the side effects are supposed to go away soon after you stop, but if you have side effects like this and continue long term they may not. so be cautious, but that goes without saying for any medicine.
Crazy Harry

Crohn's since 1993 (17 yrs old then)
surgery in July '05 - removal of 2 inches at ileum and 8 inches of sigmoid colon (had fistula into bladder)
Nov '05 developed colonic inertia; July '06 told i needed ostomy surgery
began maker's diet in August '06 - now feeling the best ever with no symptoms of colonic inertia and i kept my colon
med free as of 10/31/07

Regular Member

Date Joined Jan 2006
Total Posts : 158
   Posted 6/27/2009 10:14 PM (GMT -6)   
I've been on Flagyl for months.  It's the only thing that works for me.  Humira, 6mp etc haven't worked but Flagyl makes me feel a hundred times better.  I'm not quite in remission but my quality of life is so much better on it.
The taste of Flagyl is brutal.  I ususally swallow mine in a spoon of applesauce to keep it from touching my tongue.  It helps.  I think the general course of Flagyl is only about two weeks but I can't imagine it would fully close your fistula in that time.  It hasn't helped my fistula in all the months I've been taking it but it sure does help the pain and bleeding.
Best of luck to you.

Veteran Member

Date Joined Apr 2005
Total Posts : 2346
   Posted 6/28/2009 6:03 PM (GMT -6)   
There is no way that 10 days worth of flagyl will close your fistula.  I was taking 500 mg 4 times a day with cipro, and I needed remicade to help close mine.  I even set my alarm to get up in the middle of the night to take it so I was always taking it the same amout of time apart. 

Veteran Member

Date Joined Sep 2005
Total Posts : 769
   Posted 6/28/2009 8:11 PM (GMT -6)   

Hi ChronnieLass,


I have been on Flagyl combined with amoxicillin for about 9 months now. I am currently on 2 tabs a day but was on 3 x day for a few months, and I found the side effects to be very full on. I am quite thin and I think that might have had something to do with it. It really affected my moods and gave me this weird anxiety/depression, hard to put my finger on it but I just ‘didn’t feel like me’ and realised it was the flagyl. Also, it made me nauseas and killed my appetite so I lost some more weight. I would definitely vouch for the drug though – mine was also used for an abscess/fistulas, but my crohn’s ‘tummy’ symptoms have been much improved since taking it with the other anti, as have my energy levels, because it is working to bring down the infection.


If you are on it long-term and 3 a day is too touch side-effects wise, I would ask your dr if you can go on 2 a day, that’s what I did and it still seems to work but I get none of those nasty side effects. I think 10 days is a very short dose, if he’s given you repeats I think he’d want you to be on it for longer. My doc said ‘try 3 a day, if its soo much, go down to 2 a day’ so I think its pretty flexible.


Hope this helps!



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