Lesions can also be found in the rectum after anal sex or in the mouth after oral sex. The lesions will usually disappear after a few weeks. The second stage is contagious and occurs around 6 weeks or more after the chancre appears. The symptoms disappear but may return at any time. The third stage of syphilis is non-contagious and may appear years after stages one and two.
Serious symptoms affect different parts of the body.
Normally by reference to a specialist dealing with skin and sexually transmitted diseases. A short stay in hospital is often necessary for further examination and treatment. Sometimes bacteria can be found in the scabs of the lesions and a blood test will confirm the diagnosis. Syphilis is treated with penicillin by injection unless you are allergic to it, when an alternative will be given. Topical preparations may be required for skin symptoms.