Multiple co-existing sexually transmitted diseases in a bisexual man.

The authors report an interesting and instructive case of a bisexual man with four concurrent sexually transmissible infections: secondary syphilis, genital herpes, gonococcal proctitis, and asymptomatic chlamydial urethritis. The case illustrates the necessity for a systematic approach to the diagnosis and management of multiple co-existing sexually transmitted diseases, and it underscores the importance and difficulty of contact-tracing in this patient population.