Anyone here ever take KEFLEX?

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Regular Member

Date Joined Mar 2007
Total Posts : 54
   Posted 8/29/2008 11:50 AM (GMT -6)   
Hello!  My family doctor just prescribed me Kelfex (cephalixin) for a urinary tract infection.  I know I need to get rid of the UTI, but I am really afraid to take it for fear that it will make my UC worse.  Anyone ever take Keflex..and did you have any problems?  Thanks!
Diagnosed with UC (proctosigmoiditis) April 2006
Asacol 1200 mg (3 pills) 3 times a day
Canasa suppositories 1000mg at bedtime
Currently in a flare and taking Prednisone 30 mg per day to taper to zero in about 9 weeks *just had dosage increased to 40 mg because I am not responding* Back down to 30 mg and doing far
Bentyl when needed

Veteran Member

Date Joined Apr 2007
Total Posts : 1366
   Posted 8/29/2008 12:07 PM (GMT -6)   
I've taken it before for UTIs, and I didn't seem to have any serious UC related problems. I was in so much pain with the infection that I really didn't care whether it made me flare worse or not, I didn't want it to progress to a kidney infection. UTIs are miserable.

Female, 23, Ulcerative colitis (pancolitis) for 8 years so far; GERD; gastritis; osteopenia in femur head & lumbar spine from long term prednisone use....

Current Meds:
Lexapro 10mg, Lialda 2 pills a day, Rowasa enemas nightly


Elite Member

Date Joined Mar 2003
Total Posts : 10407
   Posted 8/29/2008 4:57 PM (GMT -6)   
Taking a good dose of probiotics at least four hours after the Keflex will help repopulate your colon with good bacteria and hopefully help prevent overgrowth of the "bad" ones. If you aren't alerady taking some, you should be able to get Culturelle at a local pharmacy. I always take twice the recommended dosage when on antibiotics.

You really do have to take care of the UTI - don't put your kidneys at risk. You can live without your colon, but not without your kidneys.
Judy - Southern US 
Moderate to severe left-sided UC (21 cm) diagnosed 2001.
Avascular necrosis in both shoulders is my "forever" gift from Entocort.
Colazal,  Remicade, Nature's Way Primadophilus Reuteri. In remission since April, 2006.
Co-Moderator UC Forum
Please remember to consult your health care provider when making health-related decisions.

Regular Member

Date Joined Feb 2005
Total Posts : 92
   Posted 8/30/2008 12:08 AM (GMT -6)   


Due to my allergies and adverse drug reactions, Keflex is about the only one I can tolerate. I find that I pass the drug 'smell' when go to the toilet, even to urinate. I've never had it make myUC worse so hopefully it will be ok for you.



Officially diagnosed Jan 2005 with UC & anthropathy arthritis, RV Fistula April 2005, 4 DVTs and 1 PE Nov 2007
Misdiagnosed for over 20 years re the above!
Oesteopenia in right hip and spine (caused by pred)
Present meds: 6 x 750mg Colazide, 50mg 6MP, off warfarin but on stage 3 clinical drug trial Rivaroxaban
Take 1000IU Vit D, calcium, magnesium, vit C, vit B, Evening Primrose Oil 

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