You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Dosage and drug of choice for primary syphilis: September 2012 and explain in detail?
Ans. B i.e. Benzathine penicillin (2.4 mega units deep IM) Treatment of syphilis Primary or secondary syphilis - Benzathine penicillin G 2.4 million units intramuscularly (IM) in a single dose Early latent syphilis - Benzathine penicillin G 2.4 million units IM in a single dose Late latent syphilis or latent syphilis of unknown duration - Benzathine penicillin G 7.2 million units total, administered as 3 doses of 2.4 million units IM each at 1-week intervals Pregnancy - Treatment appropriate to the stage of syphilis is recommended. In patients with a history of penicillin allergy, skin testing is recommended.