(i.e. primary, secondary, or latent syphilis of not more than two years' duration)
• benzathine benzylpenicillin3, 2.4 million IU, by intramuscular injection, at a single session. (Because of the volume involved, this dose is usually given as two injections at separate sites.)
3Benzathine benzylpenicillin synonyms: benzathine penicillin G; benzylpenicillin benzathine; benzathine penicillin
Procaine benzylpenicillin synonyms: procaine penicillin G
Aqueous benzylpenicillin synonyms: benzylpenicillin potassium; benzylpenicillin sodium; crystalline penicillin, penicillin G potassium; penicillin G sodium
• procaine benzylpenicillin, 1.2 million IU daily, by intramuscular injection, for 10 consecutive days.
Alternative regimen for penicillin-allergic non-pregnant patients
• doxycycline, 100mg orally, twice daily for 15 days.
• tetracycline, 500mg orally, 4 times daily for 15 days