Parasites. Trichomoniasis is an STD caused by a parasite. Viruses. STDs caused by viruses include human papillomavirus (HPV), the herpes simplex virus, and the human …

Mar 12, 2024 · Sexually transmitted disease (STD) symptoms Learn about common and possible STD symptoms and how serious they might be.

Oct 30, 2017 · "The term we use in medicine is STI, which stands for sexually transmitted infection," says Dr. Rizza. "The older term was STD, which stood for sexually transmitted …

Aug 25, 2023 · Centers for Disease Control and Prevention. https://www.cdc.gov/std/hpv/stdfact-hpv.htm. Accessed Aug. 7, 2023. Human papillomavirus 9-valent vaccine, recombinant.

Jul 16, 2025 · You can have an STD without knowing it because sexually transmitted diseases often have no symptoms. Many experts use the term sexually transmitted infections (STIs) …

Diagnosis of an STD starts with your sexual history and current symptoms. If these suggest that you have an STD, your health care professional may do a physical or pelvic exam to look for …

Feb 9, 2024 · HIV is spread through contact with genitals, such as during sex without a condom. This type of infection is called a sexually transmitted infection, also called an STI. HIV also is …

Jun 17, 2025 · A cytomegalovirus (CMV) infection is a condition caused by a common virus. The CMV virus stays in the body for life after infection. CMV spreads from person to person …

Sep 19, 2025 · HPV infection is a viral infection. There are more than 100 types of human papillomavirus (HPV). Some types of HPV infection cause skin growths called warts and some …

Oct 4, 2024 · Overview Hepatitis B is a serious liver infection caused by the hepatitis B virus (HBV). For most people, hepatitis B is short term, also called acute. Acute hepatitis B lasts …