Syphilis [Primary, Secondary, Early Latent]
2.4 million units IM x 1 dose
2.4 million units IM weekly x 2 doses
Syphilis [Late latent, Latent syphilis of unknown duration, Cardiovascular syphilis and other tertiary syphilis not involving the central nervous system]
2.4 million units IM weekly x 3 doses
2.4 million units IM weekly x 3 doses