About Chlamydia Chlamydia is a sexually transmitted disease (STD) caused by the bacteria Chlamydia trachomatis. When transmitted through sexual contact, the bacteria can infect the urinary and reproductive organs. The term chlamydia typically refers to the STD Chlamydia trachomatis, although two other types of this bacteria also can lead to illness: Chlamydia …
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Genital Herpes
Genital herpes is a sexually transmitted disease (STD) that’s usually caused by the herpes simplex virus type 2 (HSV2), although it also can be caused by herpes simplex virus type 1 (HSV1), which normally causes cold sores around the mouth. In some cases, genital herpes causes blisters and pain in the …
Genital Warts (HPV)
Genital warts are warts that are on or near a person’s genital areas. They’re caused by a group of viruses called human papillomavirus (HPV), which is one of the most common sexually transmitted diseases (STDs). There are many types of HPV, and more than 40 types cause genital warts. A vaccine for people 9 to 26 years old is approved …
Gonorrhea
Gonorrhea is a sexually transmitted disease (STD) caused by a bacterium called Neisseria gonorrhoeae. It can also be transmitted from pregnant mothers to their babies at birth. Gonorrhea most commonly affects teens and young adults. Experts believe that hundreds of thousands of cases go undetected and untreated because the infection …
HIV and AIDS
Human immunodeficiency virus (HIV) is one of the most serious, deadly diseases in human history. It causes acquired immunodeficiency syndrome (AIDS) by infecting and damaging part of the body’s defense against infection — its lymphocytes. Lymphocytes are white blood cells in the immune system that are supposed to fight off invading germs. HIV …
Pelvic Inflammatory Disease
Pelvic inflammatory disease (PID) is a serious infection of the female reproductive system that can develop from an untreated sexually transmitted disease (STD). In most cases, it occurs when bacteria from the STD in the vagina or cervix move into the uterus and upper genital tract. The most common organisms …
Pubic Lice
About Pubic Lice Pubic lice (often called “crabs” because of their crab-like appearance under a microscope) are six-legged creatures that most commonly infest hair in the pubic area, although they also can infest other body hair. In most cases, pubic lice are transmitted sexually from the pubic hair of one …
STDs
Sometimes it’s difficult to see your child as anything but that: a child. Yet in many ways, teens today are growing up faster than ever. They learn about violence and sex through the media and their peers, but they rarely have all the facts. That’s why it’s so important for …
Syphilis
Syphilis is a sexually transmitted disease (STD) that, if left untreated, can lead to serious health problems and increase the risk for getting human immunodeficiency virus (HIV), the virus that causes AIDS. Syphilis also can be passed from a mother to her baby during pregnancy and cause serious complications. A syphilis …
Trichomoniasis
Trichomoniasis, one of the most common sexually transmitted diseases (STDs), is caused by a parasite called trichomonas vaginalis. This parasite can live in the urogenital tract of males and females and infect any sexually active person, especially those who are not using protection or who have multiple partners. Trichomoniasis (often …