�y��vlog

Primary syphilis is usually a small, hard, painless, sore.

Primary syphilis is usually heralded by a single sore called a chancre, and if not treated, patients can develop a rash, fever, swollen lymph nodes and other symptoms.

Primary Syphilis.—The period of incubation represents the interval that elapses between the occurrence of infection and the appearance of the primary lesion at the site of inoculation.

Diagnosis of Primary Syphilis.—In cases in which there is a history of an incubation period of from three to five weeks, when the sore is indurated, persistent, and indolent, and attended with bullet-buboes in the groin, the diagnosis of primary syphilis is not difficult.

Difficulty may occur in the diagnosis of primary syphilis from herpes, as this may appear as late as ten days after connection; it commences as a group of vesicles which soon burst and leave shallow ulcers with a yellow floor; these disappear quickly on the use of an antiseptic dusting powder.