Standard treatment for primary or early latent syphilis: benzathine penicillin* G 2.4 mU IM x 1 dose; For secondary syphilis and for women with primary syphilis in the 3rd trimester of pregnancy ...

Penicillin G benzathine, penicillin G procaine equal amounts; combined penicillin G dose 600,000 units/mL; susp for deep IM inj; contains parabens. Give by deep IM inj into upper, outer buttock ...