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  1. What's an STI vs. an STD? - Health

    Aug 23, 2025 · The terms sexually transmitted infection (STI) and sexually transmitted disease (STD) refer to the same conditions, although STI may be more accurate.

  2. STD vs. STI: Differences, Symptoms, and Testing

    Nov 18, 2025 · An STI is an infection that may not show symptoms, while an STD is a disease that develops from an STI and shows symptoms. STIs and STDs can be tested through exams, blood, …

  3. About Sexually Transmitted Infections (STIs) | STI | CDC

    Mar 25, 2024 · A sexually transmitted infection (STI) is a virus, bacteria, fungus, or parasite people can get through sexual contact. A sexually transmitted disease (STD) develops because of an STI and …

  4. STI vs STD — What’s the Difference? - Planned Parenthood

    Apr 1, 2022 · We get a lot of questions about the difference between STI and STD, and the answer is actually pretty simple: there isn’t really a difference. STD stands for “sexually transmitted disease,” …

  5. STI vs STD: Understanding the Crucial Differences

    Understanding the difference between an STI and an STD is important for your health. An STI is the initial infection, while STD refers to the disease that can develop if the infection progresses and …

  6. STD vs STI: What’s the Difference? - Walk-In Lab Resource Center

    Sep 2, 2025 · Learn the difference between STDs and STIs, why the terminology matters, and how early testing protects your health.

  7. What is the difference between a STD and a STI? - St Pete Urology

    Dec 4, 2025 · What is the difference between a STD and a STI? STI refers to the infection stage before symptoms appear, while STD describes the disease stage when symptoms or complications develop …