Medically reviewed by Soma Mandal, MD Key Takeaways Oral chlamydia occurs when the Chlamydia trachomatis bacteria infect the mouth. You can get oral chlamydia through oral sex. It is the same bacteria ...

The genus chlamydia includes several species that affect humans and other animals. The most well-known, chlamydia trachomatis ...

Sexually transmitted diseases (STDs) result from sexually transmitted infections (STIs). These infections can be viral, bacterial, or parasitic. An STI may not turn into an STD. This article will ...

The United States recorded nearly 2.5 million cases of chlamydia, gonorrhea and syphilis in 2021, more than doubling in the last two decades.

This article discusses how one person can test positive for chlamydia while their partner does not, how it spread, and how to talk about it with a partner.

STI cases of chlamydia, gonorrhea and syphilis rose in 2021, following a slight dip during the pandemic, according to a CDC report.