Sexually transmitted diseases or STDs (formerly called venereal diseases) are among the world's most common infectious diseases. These bacterial or viral diseases are spread through sexual contact.

Health officials are raising alarm about a rise in STDs across the United States. For the fifth consecutive year, combined cases of gonorrhea, chlamydia and syphilis have risen in the United States, ...

Changes reflect increasing antibiotic resistance for some infections and new treatment options for others. The CDC has issued a new set of sexually transmitted disease (STD) treatment guidelines that ...