Sulfa allergies

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Regular Member

Date Joined Nov 2008
Total Posts : 52
   Posted 5/3/2009 8:29 AM (GMT -6)   
Hi I usually post at the fibro page but had a question for you guys.  Does anyone have a sulfa allergies?  I had a bad allergic reaction to a sulfa based drug and ensure.  What foods can you not eat?  Just wondering I want to be safe until I can get to a allergist. 

Elite Member

Date Joined Apr 2004
Total Posts : 23551
   Posted 5/3/2009 8:34 AM (GMT -6)   

I have sulfa allergies but I do not have sulfite (which is found in food) allergies.  These are different from each other.  Sulfa in medications cause me to have a wide array of symptoms such as welts to severe intestinal upset.

Here is a link that will tell you more about sulfa and sulfites:

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Regular Member

Date Joined Nov 2008
Total Posts : 52
   Posted 5/3/2009 8:52 AM (GMT -6)   
Thanks Sherry. I have been really worried about this.

Forum Moderator

Date Joined Feb 2009
Total Posts : 7188
   Posted 5/3/2009 2:57 PM (GMT -6)   
I am allergic to sulfa, due to using it a lot for bladder infections. I do not have problems with any foods, but make sure I make it known that I have this drug allergy--checking to see if whatever drug is recommended isn't related to sulfa.
Good luck!

Veteran Member

Date Joined Jul 2005
Total Posts : 1952
   Posted 5/4/2009 10:49 AM (GMT -6)   

I have a newly discovered allergy to sulfonamide (sulfa) drugs too. My allergist insists (and many web sources agree) that this does not make me prone to allergic reactions to either sulfur or sulfites. I believe I've had some wine with sulfites in it since then, and didn't have any problems. Apparently, these three chemical compounds are different enough that the immune system CAN tell the difference.

Like Denise, I just have to let all my medical folks know of the allergy, as meds are the only way I could encounter sulfa.

Here is a Mayo Clinic site listing a few other meds that may contain sulfa:

Good luck!


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