STD
Facts about STDs
The term sexually transmitted disease (STD) is used to refer to a condition passed from one person to another through sexual contact. You can contract an STD by having unprotected vaginal, anal, or oral sex with someone who has the STD.
An STD may also be called a sexually transmitted infection (STI) or venereal disease (VD).
That doesn’t mean sex is the only way STDs are transmitted. Depending on the specific STD, infections may also be transmitted through sharing needles and breastfeeding.
It’s possible to contract an STD without developing symptoms. But some STDs cause obvious symptoms. In men, common symptoms include:
pain or discomfort during sex or urination
sores, bumps, or rashes on or around the penis, testicles, anus, buttocks, thighs, or mouth
unusual discharge or bleeding from the penis
painful or swollen testicles
Specific symptoms can vary, depending on the STD. Learn more about the symptoms of STDs in men.
In many cases, STDs don’t cause noticeable symptoms. When they do, common STD symptoms in women include:
v pain or discomfort during sex or urination
v sores, bumps, or rashes on or around the vagina, anus, buttocks, thighs, or mouth
v unusual discharge or bleeding from the vagina
v itchiness in or around the vagina
The specific symptoms can vary from one STD to another. Here’s more about the symptoms of STDs in women.
Many different types of infections can be transmitted sexually. The most common STDs are described below.
A certain type of bacteria causes chlamydia. It’s the most commonly reported STD among Americans, notes the Centers for Disease Control and Prevention (CDC)Trusted Source.
Many people with chlamydia have no noticeable symptoms. When symptoms do develop, they often include:
If left untreated, chlamydia can lead to:
If a pregnant woman has untreated chlamydia, she can pass it to her baby during birth. The baby may develop:
Antibiotics can easily treat chlamydia. Read more about chlamydia, including how to prevent, recognize, and treat it.
Human papillomavirus (HPV) is a virus that can be passed from one person to another through intimate skin-to-skin or sexual contact. There are many different strains of the virus. Some are more dangerous than others.
The most common symptom of HPV is warts on the genitals, mouth, or throat.
Some strains of HPV infection can lead to cancer, including:
While most cases of HPV don’t become cancerous, some strains of the virus are more likely to cause cancer than others. According to the National Cancer InstituteTrusted Source, most cases of HPV-related cancer in the United States are caused by HPV 16 and HPV 18. These two strains of HPV account for 70 percent of all cervical cancer cases.
There’s no treatment for HPV. However, HPV infections often clear up on their own. There’s also a vaccine available to protect against some of the most dangerous strains, including HPV 16 and HPV 18.
If you contract HPV, proper testing and screenings can help your doctor assess and manage your risk of complications. Discover the steps you can take to protect yourself against HPV and its potential complications.
Syphilis is another bacterial infection. It often goes unnoticed in its early stages.
The first symptom to appear is a small round sore, known as a chancre. It can develop on your genitals, anus, or mouth. It’s painless but very infectious.
Later symptoms of syphilis can include:
If left untreated, late-stage syphilis can lead to:
Fortunately, if caught early enough, syphilis is easily treated with antibiotics. However, syphilis infection in a newborn can be fatal. That’s why it’s important for all pregnant women to be screened for syphilis.
The earlier syphilis is diagnosed and treated, the less damage it does. Find the information you need to recognize syphilis and stop it in its tracks.
HIV can damage the immune system and raise the risk of contracting other viruses or bacteria and certain cancers. If left untreated, it can lead to stage 3 HIV, known as AIDS. But with today’s treatment, many people living with HIV don’t ever develop AIDS.
In the early or acute stages, it’s easy to mistake the symptoms of HIV with those of the flu. For example, the early symptoms can include:
These initial symptoms typically clear within a month or so. From that point onward, a person can carry HIV without developing serious or persistent symptoms for many years. Other people may develop nonspecific symptoms, such as:
There’s no cure for HIV yet, but treatment options are available to manage it. Early and effective treatment can help people with HIV live as long as those without HIV.
Proper treatment can also lower your chances of transmitting HIV to a sexual partner. In fact, treatment can potentially lower the amount of HIV in your body to undetectable levels. At undetectable levels, HIV can’t be transmitted to other people, reports the CDCTrusted Source.
Without routine testing, many people with HIV don’t realize they have it. To promote early diagnosis and treatment, the CDCTrusted Source recommends that everyone between the ages of 13 and 64 be tested at least once. People at high risk of HIV should be tested at least once a year, even if they don’t have symptoms.
Free and confidential testing can be found in all major cities and many public health clinics. A government tool for finding local testing services is available here.
With recent advancements in testing and treatment, it’s possible to live a long and healthy life with HIV. Get the facts you need to protect yourself or your partner from HIV.
Gonorrhea is another common bacterial STD. It’s also known as “the clap.”
Many people with gonorrhea develop no symptoms. But when present, symptoms may include:
If left untreated, gonorrhea can lead to:
It’s possible for a mother to pass gonorrhea onto a newborn during childbirth. When that happens, gonorrhea can cause serious health problems in the baby. That’s why many doctors encourage pregnant women to get tested and treated for potential STDs.
Gonorrhea can usually be treated with antibiotics. Learn more about the symptoms, treatment options, and long-term outlook for people with gonorrhea.
“Crabs” is another name for pubic lice. They’re tiny insects that can take up residence on your pubic hair. Like head lice and body lice, they feed on human blood.
Common symptoms of pubic lice include:
You might also be able to see the lice or their tiny white eggs around the roots of pubic hair. A magnifying glass can help you spot them.
If left untreated, pubic lice can spread to other people through skin-to-skin contact or shared clothing, bedding, or towels. Scratched bites can also become infected. It’s best to treat pubic lice infestations immediately.
If you have pubic lice, you can use over-the-counter topical treatments and tweezers to remove them from your body. It’s also important to clean your clothes, bedding, towels, and home. Here’s more on how to get rid of pubic lice and prevent reinfection.
Trichomoniasis is also known as “trich.” It’s caused by a tiny protozoan organism that can be passed from one person to another through genital contact.
According to the CDCTrusted Source, less than one-third of people with trich develop symptoms. When symptoms do develop, they may include:
In women, trich-related discharge often has an unpleasant or “fishy” smell.
If left untreated, trich can lead to:
Trich can be treated with antibiotics. Learn how to recognize trich early to get treatment sooner.
Herpes is the shortened name for the herpes simplex virus (HSV). There are two main strains of the virus, HSV-1 and HSV-2. Both can be transmitted sexually. It’s a very common STD. The CDC estimates more than 1 out of 6Trusted Source people ages 14 to 49 have herpes in the United States.
HSV-1 primarily causes oral herpes, which is responsible for cold sores. However, HSV-1 can also be passed from one person’s mouth to another person’s genitals during oral sex. When this happens, HSV-1 can cause genital herpes.
HSV-2 primarily causes genital herpes.
The most common symptom of herpes is blistery sores. In the case of genital herpes, these sores develop on or around the genitals. In oral herpes, they develop on or around the mouth.
Herpes sores generally crust over and heal within a few weeks. The first outbreak is usually the most painful. Outbreaks typically become less painful and frequent over time.
If a pregnant woman has herpes, she can potentially pass it to her fetus in the womb or to her newborn infant during childbirth. This so-called congenital herpes can be very dangerous to newborns. That’s why it’s beneficial for pregnant women to become aware of their HSV status.
There’s no cure for herpes yet. But medications are available to help control outbreaks and alleviate the pain of herpes sores. The same medications can also lower your chances of passing herpes to your sexual partner.
Effective treatment and safe sexual practices can help you lead a comfortable life with herpes and protect others from the virus. Get the information you need to prevent, recognize, and manage herpes.
Other, less common STDs include: