As the name implies, sexually transmitted diseases or infections (STD / STIs) are infections that can be transmitted through sex. Each STD is unique, but all STDs can be spread during sex, from an infected partner to an uninfected partner. Some STDs can be spread through all forms of sex (oral, anal, and vaginal sex). Some forms of sex put you at greater risk of acquiring certain STDs. You can learn more about the risk of STDs and treatment options at a doctor's office or the clinic where you test.

Some STDs (including HIV and hepatitis) can also be spread through contact with infected blood. Many STDs can also be passed from a mother to her child during birth.

Many sexually transmitted diseases (STDs) can be cured.

Human Immunodeficiency Virus (HIV) and other viral STDs can be managed with daily medication.

Some STDs are caused by bacteria, and can be treated with antibiotics:

Some STDs are caused by viruses. Some of these STDs can be cured and some can be managed by medication and regular doctors visits.