Flagyl again -- dose

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Veteran Member

Date Joined Aug 2007
Total Posts : 1202
   Posted 2/23/2008 12:11 PM (GMT -7)   
I can't say how much I hate this stuff.  But, I know I need it because I've been running fevers 100 - 101.5.  I had my setons removed for the prochymal trial (requirement) and the opening has stayed open since, but I am scared it's closing and re-absceessing again. I could cry...  Well, I have cried!  ;-) 
I'm just wondering for those of you who have taken Flagyl...  maybe there are some other small people out there who can let me know their dose?  I wouldn't change mine without talking to the doc, but 500mg/3 times each day is making me so nauseous that I'm going to be lucky if I can keep it down!  Last summer my doctor (same one ) told me I should only be taking 2 per day (the surgeon prescribed 3).  I weigh just shy of 100 lbs..  Thanks, Shari

Veteran Member

Date Joined Oct 2004
Total Posts : 3042
   Posted 2/23/2008 12:53 PM (GMT -7)   
Hi Shari,
I am sorry you are not feeling well. If you are unhappy I would get a second opioion from another Gi doctor. It sounds like the Flagyl is making you sicker. With you only being only 100 lbs It sounds like to high of a dose. I am sending you a big hug.

Hi, I am teddybearweiser, I am a male.
I was diagnosed with crohns disease when i was admitted to the hospital
in 1992, in Jan of 1993 I was back in the hospital for surgery for my crohns. I had part of my right colon resectioned with ilecolonstomy.
 My GI doctor has me on Asacol, Dicyclomine,Imuran,Celebrex and Remicade. B-12 injection once a month.
My Internest doctor has me on Lisnopril-HTCZ and Folic Acid. Diagnosed
with Osteoarthritis July 2007

Elite Member

Date Joined Sep 2005
Total Posts : 10404
   Posted 2/23/2008 3:10 PM (GMT -7)   
Is there a chance they could switch you to cipro instead?

Flagyl is horrible stuff, isn't it? I can't take more than 400 mg / day without getting really sick.

Co-Moderator Crohn's Forum.

Regular Member

Date Joined Feb 2008
Total Posts : 132
   Posted 2/23/2008 3:36 PM (GMT -7)   
My daughter weighs 116 lbs. and she takes 750 mg a day (250 mg-3x). Hope you are feeling better soon!
Mother to 15 yr old daughter diagnosed w/CD 9/07.  Had col & endo in 9/07, small bowel follow through 11/07, surgery for abcesses 11/07.  Curently taking multi-vit, iron for anemia, bentyl prn, prilosec 20mg-x2, pentasa  500mg-x5, entocort-x3, 6 mp 50mg-x3.....still not doing well.

Regular Member

Date Joined Oct 2007
Total Posts : 44
   Posted 2/23/2008 4:44 PM (GMT -7)   
I am smaller than you.. around 90 lbs. I take 500mg 3x's a day. I have found that if I eat a meal and then take the pills the nausea is decreased considrably. After I take the pills, I usually have a few crackers to kill the taste. The metallic after taste is the worst for me. I usually suck on a hard candy, and that works for a while. I agree this is one of the worst medicines.

Veteran Member

Date Joined Aug 2007
Total Posts : 1998
   Posted 2/23/2008 5:12 PM (GMT -7)   
I had to take a round of Flagyl about 16 months ago for the first time since before 1984. I had forgotten how sick it made me. After only 2 doses, I quickly remembered. Years ago, I used to be able to get gelatin capsules OTC by asking the pharmacist to put the pills into. That helped a lot back then. This time, I simply cut the pills in 1/2, so instead of taking them 3 x day, I took it 6 times a day with a few crackers, like peanut butter and cheese crackers or a meal. I will have to say that worked really well with the nausea for me. The metallic after taste was AWFUL. I chewed gum, sucked on hard candy, and drank lots of fluids. But, it really worked for me.

Hang in there.. btw, I was only about 90 lbs when I had to take it 16 months ago.
Diagnosed with CD in 1979, many resections and meds
Perm Ileostomy July 1984 at Cleveland Clinic
Disease free since surgery 

Veteran Member

Date Joined Apr 2005
Total Posts : 2346
   Posted 2/23/2008 6:41 PM (GMT -7)   
I have taken 500mg 4 times a day. They actually wanted me to set my alarm and get up in the middle of the night to take that 4th dose. Make sure you eat with it.

Regular Member

Date Joined Feb 2008
Total Posts : 48
   Posted 2/23/2008 7:16 PM (GMT -7)   
s5599...during my 25+ yrs. w/ Crohn's, I was prescribed Flagyl 2x & it was pure misery. Are you aware that you can't eat any alcohol/vinegar based foods? This includes even simple items such as ketchup, mustard. One evening I was at a business dinner & stupidly forgot that the Oysters Rockerfeller had a wine base!!! Oh, I was hurling that night! Anyway, I finally took a stand & told my GI that I refused to take the drug...she prescribed Cipro from then on & it always worked (I even lowered the dosage as I do w/ the majority of my drugs...if they work at a lower dose, why not?). When hospitalized, I would receive intravenous Flagyl but, for some reason, it didn't make sick (I find that this is true of other drugs...probably because they're injected into the bloodstream as opposed to being ingested). I hope that you improve soon! tongue

25+ Crohn's Disease Sufferer; 2yr. Ostomate (ileostomy)
2yr. Remission for Conjunctival Malignant Melanoma
Ciprofloxacin as needed; Children's Vitamin/B-12 Supplement
Xanax as needed; Clonazepam 3x daily; Levothyroxin for Hypothyroidism
Several Eye medications used to help prevent further damage resulting from treatment for eye cancer
(former 6-MP/Remicade user - ceased due to cancer diagnosis)

Veteran Member

Date Joined Apr 2005
Total Posts : 2346
   Posted 2/23/2008 7:50 PM (GMT -7)   
You cannot drink alcohol but you can eat ketchup and mustard on flagyl.....I have been on flagyl numerous times.

Veteran Member

Date Joined Aug 2007
Total Posts : 1202
   Posted 2/23/2008 8:49 PM (GMT -7)   
I bought anti-nausea meds, but they don't really help. For some reason I thought I could go to the nursery and look at the pretty flowers (it's sunny and the nursery is close) but I ended up in their bathroom with both ends going. I just threw up the antinausea. He did say i could take either. Maybe when I call on Monday I will see if I can switch to Cipro... I hate that too, but it's not nearly as bad!!! Oh, and I do know about the alcohol thing, but thanks! if I didn't I would be hurting! I even avoid the listerine during Flagyl treatment.

My fever is still over 101, so I really think I need to be cut again for drainage. At this point I don't even care... (Well, I do, but...) I just want the vomiting, fevers and pain to stop!!!!

Thanks for being there. It really helps when others understand... Shari
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