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What is a sexually transmitted infection (STI)?

Dr. Jeanne Morrison, PhD
Family Practitioner

It is an infection passed from person to person through intimate sexual contact. STIs are also called sexually transmitted diseases, or STIs.

This information is based on source information from the National Women's Health Information Center.

Patricia Geraghty, NP
Women's Health
A sexually transmitted infection is spread from person to person by close contact of the genitals to genitals or sometimes genitals to mouth. These are also called sexually transmitted diseases. They include the specific infections of chlamydia, gonorrhea, syphillus, genital herpes, pediculosis or lice, trichomoniasis, genital warts, lymphogranuloma venereum and human immunodeficiency virus (HIV).

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.