Lymphogranuloma Venereum

Updated: JULY 16, 2015

Lymphogranuloma Venereum (LGV) is a chronic infection of the lymphatic system that is caused by the Chlamydia trachomatis bacteria. The bacteria is transferred through sexual contact which makes it a sexually transmitted infection (STI).

More About Lymphogranuloma Venereum

Signs and symptoms of LGV include:

  • Small sores on the genitals or genital tract that are not painful;
  • Swelling or redness in the groin area, specifically the labia in females;
  • Blood or pus from the rectum in stool;
  • Swollen groin lymph nodes on either side or around the rectum;
  • Drainage of the lymph nodes through the skin in the groin.

Typical tests for LGV include physical exams by a licensed physician or a biopsy of the lymph node. Lab tests to detect Chlamydia can also be used to diagnose LGV. As with all STIs, if left untreated for extended periods of time, the infection can cause irreversible damage to the reproductive system. It can spread to different areas of the body including the liver, heart, or eyes.

LGV can be prevented through either abstinence from sexual activity or the proper use of condoms. The infection can be treated easily with antibiotics.


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