Syphilis: Syphilis is a contagious bacterial infection transmitted most often through sexual intercourse. Flulike symptoms, body rash, and swollen lymph nodes. Late-phase syphilis attacks the heart, brain, skin, and bones. Late-stage syphilis is rare since the discovery of the antibiotic penicillin, which is used to treat this sexually transmitted disease (STD).
Sexually Transmitted Diseases (STDs) Sexually transmitted diseases (STDs) are among the most common infectious diseases in the United States. STDs can be spread through any type of sexual activity involving the sex organs, the anus or mouth, or through contact with blood during sexual activity. Examples of STDs include, chancroid, chlamydia, gonorrhea, granuloma inguinale, lymphogranuloma venereum, syphilis, genital herpes, genital warts, hepatitis B, trichomoniasis, pubic lice (crabs), and scabies.Treatment is generally with antibiotics; however, some STDs that go untreated can lead to death.