After a course of treatment for neurosyphilis, do you administer an additional IM dose of penicillin G one week after finishing the course of IV penicillin therapy?  

Excellent question. This has been the topic of a never-ending (if somewhat behind-the-scenes) debate among syphilis experts for decades. In fact, it came up for discussion just a few days ago after a presentation on syphilis at IDWeek in Boston, the Infectious Disease Society of America's annual con...