A member asked:

Will 200mg of azithromycin enough to prevent chlamydia if taken before 24/hrs of unprotected sex and 500mg amoxicillin enough to prevent gonorhea?

4 doctors weighed in across 3 answers
Dr. Mark Owolabi answered

Specializes in Family Medicine

Definitely not. Antibiotics do not prevent sexually transmitted disease. They only treat them after they are contracted. The doses you specified are not appropriate for treatment of an STD. The best way to prevent STD is consistent condom use and regular testing to ensure one is not carrying an STD.

Answered 5/19/2022

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It is not 100%. best is to use a condom .

Answered 5/19/2022

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If you plan to have unprotected sex than nothing taken ahead of time will help prevent any diseases. Since you are planning ahead, plan to have sex and use all the protection you can. With safe sex you don't need to take any antibiotics ahead of time.

Answered 5/19/2022

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