A 33-year-old female asked:
what causes fluid to be on your back in a emg test by putting a needle and seeing puss why would it be there?
1 doctor answer • 3 doctors weighed in
Physical Medicine and Rehabilitation 25 years experience
Infection: "pus" is usually indicative of an infection. Unless the needle went into a pimple that had pus in it, a doctor should take a look at it. The doctor who performed the EMG might be a good person to ask, to start with.
Last updated May 10, 2015
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