Does Doxycycline as Prep Prevent Stds?

Yes, doxycycline as post-exposure prophylaxis (PEP) can significantly reduce certain STD infections when taken within 72 hours of unprotected sex. Clinical trials show doxycycline PEP reduces chlamydia infections by up to 88% and syphilis by 87% in high-risk populations. The CDC currently recommends 200mg of doxycycline taken within 72 hours for men who have sex with men and transgender women with recent STD history. However, doxycycline PEP is less effective against gonorrhea due to increasing antibiotic resistance, with effectiveness rates around 55%. This intervention works best as part of comprehensive sexual health strategies including regular testing and safer sex practices.

Related Questions

• How effective is doxycycline PEP against different STDs?

• What are the side effects of taking doxycycline for STD prevention?

• Who should consider using doxycycline as post-exposure prophylaxis?

• How soon after exposure should doxycycline PEP be taken?

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