A recent study offers a promising sign in syphilis incidence, a preventable and curable STI that has been surging across the U.S.

Tertiary syphilis, which can develop years to decades after the initial infection, is characterized by chronic inflammatory ...

It didn't do much for the sleeping sickness microbe, but it seemed to kill another (recently discovered) microbe, the one which causes syphilis. At that time, syphilis was a disabling and ...

Syphilis can cause rashes, lesions, or ulcers. In some cases, they heal quickly. Other carriers do not experience any noticeable symptoms. However, if the disease is left untreated for years ...

"It's important to treat infections before you become pregnant." Congenital syphilis can cause rashes, and abnormalities in bones shortly after birth. The infected children can develop symptoms ...