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A 30-year-old female asked:

how long do i need to wait after antibiotics for a strep test to be accurate?

2 doctor answers4 doctors weighed in
Dr. PHILIP WALLER
Rheumatology 33 years experience
Antibiotics first?: If you are treated with antibiotics and then get strep testing your results may be negative. Prior to antibiotics, the rapid strep test takes 15 to 20 minutes to get a result and a culture can take 24 to 48 hours to get a result back. Good luck
Dr. Harold Fields
Family Medicine 61 years experience
Antibiotics : You need to complete the course of antibiotics and then wait 48 hours

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Last updated Nov 28, 2017

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