LGV is a sexually transmitted disease (STD) or infection involving the lymph glands in the genital area. It is caused by a specific strain of chlamydia.

What is lymphogranuloma venereum (LGV) LGV is a sexually transmitted disease (STD) or infection involving the lymph glands in the genital area. It is caused by a specific strain of chlamydia. Who gets LGV The incidence is highest among sexually active people living in tropical or subtropical climates. It has also occurred in some areas of the southern United States.