Sexually transmitted diseases (STDs) are caused by infections that are passed from one person to another during sexual contact.
Often these infections do not cause any symptoms. Medically, infections are only called diseases when they cause symptoms. This is why STDs are also called "sexually transmitted infections." However, it's quite common for people to use the terms "sexually transmitted diseases" or "STDs," even when there are no signs of disease.
There are many kinds of sexually transmitted diseases and infections and they are very common. Over 50% of us will get one at some time in our lives. One of the most common sexually transmitted infections is Chlamydia. Watch the video below to learn about Chlamydia from Devin, a Planned Parenthood Community Educator or visit Planned Parenthood's Health Topics Library for more information on STDs.
Planned Parenthood accepts insurance and has payment options to meet everyone's needs. We also offer low- to no-cost STD testing and treatment to eligible men and women. Learn more about low- to no-cost STD testing and treatment.