Deciphering the Great Imitator: Syphilis and Neurosyphilis.

Syphilis is an infectious disease caused by . Often known as the "great imitator," it has periods of active disease and periods of latency. Serologic syphilis testing can be divided into treponemal and non-treponemal tests, and multiple tests are required to prove infection.

Development of Atypical Neuroleptic Malignant Syndrome After Treatment of Cocaine Intoxication: A Case Report and Literature Review.

Neuroleptic malignant syndrome (NMS) is a life-threatening condition classically associated with the use of antipsychotic medications. NMS commonly presents with initial mental status changes, followed by muscle rigidity, fever, and eventual dysautonomia. Cocaine intoxication can present with symptoms that are very similar to those found in NMS, making differentiating the two disorders challenging.