NCBI Bookshelf. Disease Control Priorities in Developing Countries. Sevgi O.
Nearly 20 million new cases of sexually transmitted diseases affect people in the United States each year, according to the Centers for Disease Control and Prevention. With these highly preventable diseases often come symptoms that affect your entire body — including your mouth. Not all people who are infected will go on to have symptoms.
Sexually transmitted diseases STDs are infections that are passed from one person to another through sexual contact. The causes of STDs are bacteria, parasites, yeast, and viruses. There are more than 20 types of STDs, including. Most STDs affect both men and women, but in many cases the health problems they cause can be more severe for women.
These STIs have a profound impact on the health of adults and children worldwide. If untreated, they can lead to serious and chronic health effects that include neurological and cardiovascular disease, infertility, ectopic pregnancy, stillbirths, and increased risk of HIV. They are also associated with significant levels of stigma and domestic violence.
They may also be called STDs for sexually transmitted disease. Millions of new cases are diagnosed every year in the U. These include:.
Jump to navigation. Sexually transmitted infections or STIs are infections that can be caught or passed on when you have unprotected sex, or close sexual contact, with another person who already has an STI. Vaccines can prevent certain STIs like genital warts and hepatitis B.
Some STDs have no symptoms or only mild ones. Although 70 to 90 percent of women and 90 percent of men with chlamydia have no symptoms, this STD sometimes produces a mucus-like or pus-like vaginal discharge. A yellowish or yellow-green vaginal discharge can be a symptom of gonorrhea, although 4 out of 5 women infected with this bacterial STD will have no symptoms at all. The body usually clears a human papillomavirus HPV infection naturally within two years.
Back to Health A to Z. If you're worried you have got an STI, go for a check-up at a sexual health clinic as soon as you can. The only way to know for sure is to get tested.