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Regular Member

Date Joined Sep 2007
Total Posts : 160
   Posted 6/17/2008 7:37 AM (GMT -6)   
Just got my blood results back for my methotrexate and my thyroid everythings fine cant understand when im going to the toilet my stool is black!would it be a combination of all the drugs im taking right now im on
penicillian due to swollen glands
ferrous sulphate (iron)
as well as tramadol,methotrexate,coeding sulphate,
just cant understand why im waking up in the morning in agony then when i take my meds i appear to be fine would it be some of the side effects due to those 2 drugs?i was fine befire i took them please help!

Elite Member

Date Joined Apr 2005
Total Posts : 14995
   Posted 6/17/2008 8:23 AM (GMT -6)   
I think the reason for your black stool is the added iron you are taking. It is common while taking iron to be more constipated and to have dark/black stools. Since you are on antibiotics you should be sure to take a probiotic 2 hours after you take the antibiotics. That will help keep the bacteria (good & bad) level in your gut.
Been living with Crohn's Disease for 32 years.  Currently on Asacol, Prilosec 60 mg, Estrace, Prinivil, Diltiazem, Percoset prn for pain and Calcium.  Resections in 2002 and 2005.  Recently diagnosed with Fibromyalgia and doing tests to see if I have Inflammatory Arthritis or AS.

Regular Member

Date Joined Jul 2006
Total Posts : 330
   Posted 6/17/2008 9:26 AM (GMT -6)   
I hope you start to feel better soon - and I agree with Nanners that the black stool could be from the iron. I would definitly let your doctor know if the pain persists - further investigation could be warranted. Something is obviously amiss.

Good luck,


Regular Member

Date Joined Jul 2004
Total Posts : 422
   Posted 6/17/2008 3:55 PM (GMT -6)   

Iron supplements not only cause BLACK stool, they can also cause diarrhea and/or constipation. It has caused D for me. I had more cramping and pain when I first started taking Ferrous Sulfate 2 months ago. The pain has gotten better but the stools are still black. My GI wants me to stay on Ferrous Sulfate for another 4 months, though. Bleh! However, I will say it has made me feel MUCH better from a fatigue/energy standpoint.
Diagnosed in October, 2004 at age 33.
Current Rx's: Colazal (generic), Nexium (generic), Ferrous Sulfate, One-A-Day multivitamin, Culturelle 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

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