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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?
Started doxy 4 days after possible exposure to syphilis (giving oral, mouth entrance point). Also rocephin 500mg shot 5 days after exposure. Doxy is 7 days 200mg/day. Is this early enough to kill/prevent syphilis incubation and not become contagious?
Im scared that doxy pep (started 24 hours after a risky event) could have cured me but that I transmitted syphilis by dry lip kisses to someone 1 week after doxy pep. Is this possible? I tested neg for syphilis RPR 90 days after doxy pep?
If given 14 days doxycycline for syphilis exposure instead of penicillin due to local drug shortage, can this regimen still prevent ever being infectious if started about a week before earliest possible chancre onset?
If given 14 days doxycycline for syphilis exposure instead of penicillin due to local drug shortage, how long until not contagious?
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