This is a common appearance of the rash of secondary syphilis. This is the initial lesion seen with syphilis. There may be single or multiple ulcers. The ulcers are usually painless unless there is also a bacterial infection. The lesion may be hidden from view in women, and subsequently go unnoticed until the rash of secondary syphilis appears.
Secondary syphilis produces a variety of generalized rashes.
This is a fairly typical rash on the chest. Secondary syphilis is one of the few infectious diseases that produces rashes on the palms and soles, as well as a generalized rash. If an ulcer on the penis is followed several weeks later by a rash, the person should always be evaluated for syphilis. The is how the rash associated with the second stage of syphilis typically appears. Individuals are very infectious during this stage.