SYPHILIS. SYPHILIS INTRODUCTION. Caused by Treponema pallidum . Transmission: sexual; maternal-fetal, and rarely by other means. Primary and secondary syphilis in the US dropped by ~ 90 %t from 1990 to 2000, the number of cases have gone up since then.
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~ 30% of secondary syphilis patients develop mucous patch (slightly raised, oval area covered by a grayish white membrane, with a pink base that does not bleed).
Positive syphilis serology without clinical signs of syphilis (& has normal CSF).
-Benzathine Penicillin G, 2.4 million units IM
-Doxycycline 100 mg twice daily x 14 days or
-Ceftriaxone 1 gm IM/IV daily x 8-10 days (limited studies) or
-Azithromycin 2 gm single oral dose (preliminary data)
Aqueous crystalline penicillin G 100,000 -150,000 units/kg/day, administered as 50,000 units/kg/dose IV q 12 hours during the first 7 days and thereafter q 8 hours for 10 days
Procaine penicillin G 50,000 units/kg/dose IM in a single daily dose for 10 days