
Sexually transmitted diseases (STDs) - Symptoms and causes
Sexually transmitted diseases (STDs) are caused by sexually transmitted infections (STIs). They are spread mainly by sexual contact. STIs are caused by bacteria, viruses or parasites. A sexually …
Sexually transmitted infection - Wikipedia
A sexually transmitted infection (STI), also referred to as a sexually transmitted disease (STD) and the older term venereal disease (VD), is an infection that is spread by sexual activity, especially vaginal …
About Sexually Transmitted Infections (STIs) | STI | CDC
Mar 25, 2024 · A sexually transmitted disease (STD) develops because of an STI and the term implies that the infection has led to some symptom of disease. People sometimes use the terms in one …
Sexually Transmitted Diseases (STDs): Causes, Tests, & Treatment - WebMD
Oct 14, 2024 · STDs are sexually transmitted diseases. This means they are most often, but not exclusively, spread by sexual contact. STDs used to be called venereal diseases (VD). Doctors more …
Sexually Transmitted Diseases: Types, Symptoms, Treatment
Sep 18, 2025 · Some sexually transmitted infections (STIs) can lead to pelvic inflammatory disease (PID), anal or genital warts, and certain cancers. All STDs are caused by an STI. STIs are usually …
Sexually Transmitted Infections (Sexually Transmitted Diseases)
Feb 3, 2023 · Another common name for STIs is sexually transmitted diseases, or STDs. There are several types of STIs. The most common symptoms are burning, itching or discharge in your genital …
What Are STDs? 8 Common Types, Symptoms & List - MedicineNet
Sexually transmitted diseases (STDs) are diseases that a person can get by having sex with someone who has an STD. STDs are the second most common infection seen in the United States, with about …
Sexually Transmitted Diseases - What You Need to Know
6 days ago · What is a sexually transmitted disease (STD)? An STD means signs or symptoms of a sexually transmitted infection (STI) have developed. An STI happens when bacteria or a virus are …
Sexually Transmitted Infections | STIs | Venereal Disease | MedlinePlus
Jul 15, 2025 · Sexually transmitted infections (STIs) are infections that are passed from one person to another through sexual contact. If not treated, a STI can develop into a sexually transmitted disease …
Types of Sexually Transmitted Diseases (STDs) - Health
Oct 1, 2025 · An STD (sexually transmitted disease) is a condition that develops due to a virus, bacteria, or parasite that spreads through sexual contact. STDs may be referred to as STIs (sexually...