Sexual Health STDs Everyone Should Know About Asymptomatic STDs There's a Reason STDs Are Called the Hidden Epidemic By Elizabeth Boskey, PhD Elizabeth Boskey, PhD Facebook LinkedIn Twitter Elizabeth Boskey, PhD, MPH, CHES, is a social worker, adjunct lecturer, and expert writer in the field of sexually transmitted diseases. Learn about our editorial process Updated on November 10, 2020 Medically reviewed by Anita Sadaty, MD Medically reviewed by Anita Sadaty, MD on October 18, 2020 Facebook LinkedIn Twitter Anita Sadaty, MD, is a board-certified obstetrician-gynecologist at North Shore University Hospital and founder of Redefining Health Medical. Learn about our Medical Review Board Print A lot of people believe that they'd know they'd have a sexually transmitted disease (STD) because they'd notice any STD symptoms. Sadly, that isn't so. The incredible frequency of asymptomatic STDs is one of the factors that make STDs so common. The truth is, when STD awareness is based on symptoms alone, most people with a sexually transmitted disease don't even know that they are sick. It is not uncommon for someone to be infected but have no STD symptoms. In other words, they are asymptomatic. Asymptomatic STDs are more common than not. There is a very high prevalence of symptom-free STD infections. People can be, and often are, infected with an STD for many years without knowing it. During that time, if they're not careful, they can pass their disease on to some or all of their sex partners. 1:18 7 Tips For Preventing STDs Some scientists call STDs the hidden epidemic. They're common. They're invisible. Finally, they can have serious long-term health consequences—including infertility and even (rarely) death. Why is it important to be aware of how common it is for people to have an asymptomatic STD? 1 There Is a High Risk of Infection Jamie Grill/The Image Bank/Getty Images STDs aren't transmitted every time people have sex. However, they can get around pretty quickly. If one infected person has unprotected sex with a new partner each year, and each of them has unprotected sex with one new partner a year, and these partners each did the same, in 10 years the first person could have passed their STD on to over 1,000 people. If each person has sex with two new partners a year, that number goes up to more than 59,000. 2 You May Have No Symptoms Nicholas Eveleigh/Digital Vision/Getty Images Chlamydia is the most common treatable STD. However, of people with chlamydia, three-quarters of the women and half of the men have no STD symptoms. Half of all women with gonorrhea and 10% of men don't show symptoms either. Many other STDs can also lie dormant for months or years. No wonder that the Centers for Disease Control estimates that there are around 20 million new STD infections in the U.S. each year. It's very easy to have an STD and not know about it. That's why safer sex should be the rule rather than the exception. 3 There May Be Long-Term Damage Sandy Huffaker/Getty Images News/Getty Images An STD may not be making you feel sick right now. That doesn’t mean that it is not having an effect on your, or your sexual partner’s, health. Left untreated, some STDs can cause long-term damage to your reproductive tract, such as pelvic inflammatory disease. This can make it difficult or impossible to have children. Over time, other STDs, such as syphilis and HIV, can lead to whole body illness, organ damage, or even death. 4 Screening Is Essential Thomas Barwick / Getty Images The only way to tell if you or your sexual partner has an STD is to be tested. Before starting a new sexual relationship both you and your partner should be tested for the most common STDs. If you aren’t comfortable having your regular doctor examine you, testing can also be done at a family planning or STD clinic. Many clinics even have free, or highly subsidized, tests for people with limited incomes. But even if your tests come back negative, the best way to keep them that way is to consistently practice safer sex. After all, it can take a while for STD tests to be accurate. In addition, sometimes people have multiple sexual partners, which means there are multiple potential routes for exposure. When You Should Get Screened for an STD 5 You Can Spread STD With No Symptoms Adrian Samson/Stone/Getty Images Just because you don’t have symptoms doesn’t mean you can’t give your partner an STD. Some people who know they are infected with an incurable STD think that they can’t spread the disease when they don’t have symptoms. However, this isn’t true. Herpes, for example, is transmissible even when a person isn’t having an outbreak. So are HPV, the virus that causes genital warts and cervical cancer, and HIV, the virus that causes AIDS. Since these diseases can’t be cured it is important for people who have them to take precautions with all their sexual partners. With treatment, these diseases aren't usually physically devastating. However, they can take a strong emotional toll. 6 Incurable Is Not Untreatable Justin Sullivan/Getty Images News/Getty Images Even if you have an incurable STD, there are still precautions you can take to improve your health and protect your partners. One such precaution is suppressive therapy. For example, people with herpes should consider taking a drug such as Valtrex. This form of treatment doesn't only reduce the likelihood of an outbreak, it also lowers the probability of infecting your partner. However, since it does not remove the risk of transmission completely, it is important to always use safer sex practices. Know that condoms are not 100% effective at preventing herpes or HPV. That's because these viruses spread skin to skin. Treatment as prevention is also a good way to reduce the risk of transmitting HIV. 7 Your Health Is Your Responsibility CatLane/Getty Images Take charge of your own sexual health. Safer sex practices and other precautions can help keep you free of sexually transmitted diseases. Just remember that you can’t rely on how you feel to tell you if you’re well. Therefore, it’s your responsibility to get tested and treated if you could possibly be at risk. Not just your health, but also the health of those you love, is in your hands. The Best At-Home STD Tests Was this page helpful? Thanks for your feedback! Sign up for our Health Tip of the Day newsletter, and receive daily tips that will help you live your healthiest life. Sign Up You're in! Thank you, {{form.email}}, for signing up. There was an error. Please try again. What are your concerns? Other Inaccurate Hard to Understand Submit Article Sources Verywell Health uses only high-quality sources, including peer-reviewed studies, to support the facts within our articles. Read our editorial process to learn more about how we fact-check and keep our content accurate, reliable, and trustworthy. HealthyPeople.gov. Office of Disease Prevention and Health Promotion. Sexually transmitted diseases. Malhotra M, Sood S, Mukherjee A, Muralidhar S, Bala M. Genital chlamydia trachomatis: An update. The Indian Journal of Medical Research. 2013;138(3):303-16. Centers for Disease Control and Prevention. Sexually transmitted diseases. Updated December 7, 2017. NIH National Institute of Allergy and Infectious Diseases. Sexually transmitted diseases. Updated August 6, 2015. Planned Parenthood. Get tested. Sauerbrei, A. Herpes genitalis: diagnosis, treatment and prevention. Geburtshilfe Frauenheilkd. 2016;76(12):1310-1317. doi:10.1055/s-0042-116494 Centers for Disease Control and Prevention. Genital herpes — CDC fact sheet (detailed). Updated January 31, 2017. Centers for Disease Control and Prevention. Condom effectiveness. Fact sheet for public health personnel. Updated March 5, 2013.