Lymphogranuloma venereum (LGV) is a sexually transmitted infection caused by 3 serovars of Chlamydia trachomatis: serovars L1, L2 and L3.
LGV is a bacterial sexually transmitted infection (STI) and can be caught through unprotected sexual intercourse.
Symptoms can be complex and severe, and may involve multiple sites in the body such as the genitals, the anus, rectum, oral cavity and lymph nodes.
LGV can be treated with antibiotics.
Good sexual health is the best means of prevention from LGV infection.
For symptoms and general information on LGV, visit Terrence Higgins Trust.