Blood work Question

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Texan with Crohn's
Regular Member

Date Joined Dec 2007
Total Posts : 362
   Posted 2/5/2009 5:16 AM (GMT -7)   
Morning, all.

So, is it true that a negative RA blood test would mean crohn's arthritis? That's what I was told when I was at the doc getting, RA, WBC (think it's high again), Lupus, SED rate (probably be normal again) and one other that I can't remember.

Been running low-grade fever and constantly feel like I have a knife in my gut... and all my joints still hurt like heck. Have an appointment with rheumy doc on the 25th, so I thought to go ahead and get arthritis and other blood tests done at the same time we were checking white blood cell count. Was just wondering if you guys knew.

As always, thanks!!

Regular Member

Date Joined Dec 2007
Total Posts : 414
   Posted 2/5/2009 6:46 AM (GMT -7)   
I think was a long time ago for me now but I can remember them saying I was lucky it was Crohn's arthritis/reactionary arthritis as it supposedly doesn't leave lasting damage to the bones, lucky? I swear at times it could get more painful than my stomach pain! And although its supposed to be reactionary to Crohn's activity its not uncommon with me to have random joint flare up without Crohn's symptoms being present. I also had an mri scan to officially diagnose the sacroilliitis and and orthopaedic ultrasound to diagnose the wrists, my initial Crohn's arthritis diagnosis was done on blood results and physical examination and symptoms.


Elite Member

Date Joined Apr 2005
Total Posts : 14995
   Posted 2/5/2009 7:27 AM (GMT -7)   
Well I have Osteoarthritis so not sure a negative RA test means only Crohns arthritis, could be osteo too.
Gail*Nanners* Co-Moderator for Anxiety/Panic Forum
Been living with Crohn's Disease for 33 years. Currently on Asacol, Prilosec, Estrace, Prinivil, Diltiazem, Percoset prn for pain, Zofran, Phenergan, Probiotics, and Calcium and Xanax as needed. Resections in 2002 and 2005. Also diagnosed with Fibromyalgia and Osteoarthritis and Anxiety. Currently my Crohns is in remission.
*Every tomorrow has two handles.  We can take hold of it by the handle of anxiety, or by the handle of faith"*

Regular Member

Date Joined Jul 2004
Total Posts : 422
   Posted 2/5/2009 8:56 AM (GMT -7)   
I don't have the book with me right now but maybe someone else does. But the Crohn's & Colitis Foundation book about IBD you can get for free on their web site talks about arthritis with Crohn's. There were two different broad types they talked about. I believe it was PERIPHERAL Arthritis and CENTRAL arthritis. One is degenerative (meaning over time, it'll affect the joints) whereas the other one is NOT degenerative. I can't remember which is which but it was very informative.

I've tested negative for RA but my ankles swell up to the size of lemons when I'm in a Crohn's flare. I can't walk or drive for about 2 weeks. If I didn't have Crohn's, this would be called some other kind of arthritis; but because I do have Crohn's, it's classified as Crohn's arthritis (otherwise, my ankles wouldn't be swelling). My Rhuemy told me joint arthritis affects the joints and can be obviously seen on an X-ray. However, the problem I have with the swollen ankles has nothing to do with my joints - it's actually the tendons that connect to my joints that are becoming inflamed. This problem will NOT show up on an X-ray but will show up on an MRI. So my "type" of "Crohn's Arthritis" falls under the broad "Spondylitis" category of arthritic diseases. I believe I fall under AS, Ankylosing Spondylitis.
Diagnosed in October, 2004 at age 32.
Current Rx's: Colazal (generic), Omeprazole, Ferrous Sulfate, Librax, One-A-Day multivitamin, Probiotic, Omega-3 Fish Oil, Vitamin D, Vitamin A, Calcium-Magnesium-Zinc, Cranberry pills
Secondary conditions: mouth ulcers, joint pain, swelling ankles, extreme fatigue
Previous/occasional Rx's: 20mg Prednisone taper, Flagyl, Levaquin
No surgeries to date

Texan with Crohn's
Regular Member

Date Joined Dec 2007
Total Posts : 362
   Posted 2/6/2009 5:22 AM (GMT -7)   
Thanks for the responses. Very informative. Since I didn't hear back from my PCP, the RA came back negative as expected and my WBC wasn't too high. Went and picked up my "hospital strength" penicillin, Leviquin. Five pills = $40.00 (with insurance)!!

Anyways, hope everyone has a GOOD day!!

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