A member asked:

Started doxy 6 days after possible exposure to syphilis, not right after contact (msm oral). is 6 days after exposure early enough to prevent syphilis? i took it for 7 days. can doxy intake make a syphilis test false-negative 6 weeks after finishing?

Q: started doxy 6 days after possible exposure to syphilis, not right after contact (msm oral). is 6 days after exposure early enough to prevent syphilis? i took it for 7 days. can doxy intake make a syphilis test false-negative 6 weeks after finishing?

: Yes, 6 days is perfect. A week of doxycycline would be effective in preventing syphilis up to 2-3 weeks after exposure.

A doctor has provided 1 answer

Dr. Hunter Handsfield answered

Specializes in Infectious Disease

Yes, 6 days is perfect. A week of doxycycline would be effective in preventing syphilis up to 2-3 weeks after exposure.

Dr Kuitems agreed

Answered 10/16/2022

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A member asked:

Started doxy 6 days after possible exposure to syphilis, not right after contact (msm oral). is 6 days after exposure early enough to prevent syphilis? i took it for 7 days. can doxy intake make a syphilis test false-negative 6 weeks after finishing?

A doctor has provided 1 answer

Dr. Hunter Handsfield answered

Dr Kuitems agreed

Related Questions

A member asked:

I realize doxycycline for 2 weeks 2x100mg/day can treat primary syphilis. But what about incubating syphilis (before any symptoms present)? Could starting 10 days of doxycycline (2x100mg/day) within 24-48hrs post exposure prevent infection?

A member asked:

Hi, would taking 1 week of Doxycycline x2 100mg a day taken 72 hours after potential exposure help to prevent Syphilis? Thanks in advance?

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Can taking doxycycline be effective for post exposure prevention treatment after 24 hours for syphilis?

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If Im prescribed doxycycline as post exposure prophylaxis for syphilis soon after exposure, will this prevent a chancre from ever forming? And if the pep prevents a chancre and stops the disease from taking hold I am never infectious, right?

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Syphilis EIA igg/igm and HIV 4th gen combo at 10.5 weeks (74 days) post exposure (protected, MSM, but I received mouth to anus unprotected of course). Are both my syphilis and HIV tests conclusive? Or shall I re-test for peace of mind?

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