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A member asked:

Are rheumatic fever, streptococcal pharyngitis, and anaphylactoid reaction related?

2 doctors weighed in across 2 answers

Yes,Yes and No: Rheumatic fever is a possible consequence of untreated strep throat. An anaphylactic reaction is a severe allergic response and not related to the other two.

Answered 9/28/2016

6.1k views

Thank
Dr. Michael Ein answered

Specializes in Infectious Disease

Yes and no: Rheumatic fever is a sequella of a group a streptococcal infection such as pharyngitis. An anaphylactoid reaction is one that mimics a true anaphalytic reaction but has nothing to do with the other 2 conditions you listed.

Answered 3/26/2013

5.4k views

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