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    Sexually Transmitted Diseases Detect Early, Prevent Effectively, Stay Safe

    2 minute(s) read
    Information by
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    Dr. Napawon Poonyavejthumrong

    Bangkok Hospital Chiang Rai

    Updated on: 12 Feb 2026
    Dr. Napawon Poonyavejthumrong
    Dr. Napawon Poonyavejthumrong
    Bangkok Hospital Chiang Rai
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    Sexually Transmitted Diseases  Detect Early, Prevent Effectively, Stay Safe
    Bangkok Hospital Chiang Rai
    Updated on: 12 Feb 2026

    Sexually Transmitted Diseases (STDs) are infections that are primarily transmitted through sexual contact — including vaginal, anal, and oral sex. Some STDs can also spread through contact with blood or bodily fluids, and from mother to child during pregnancy or childbirth.

    Understanding STDs is essential for prevention, early detection, and proper treatment.

    Common Sexually Transmitted Diseases

    1. Gonorrhea

    Caused by the bacterium Neisseria gonorrhoeae.
    Symptoms may include painful urination and pus-like discharge from the genitals.

    2. Chlamydia

    Caused by Chlamydia trachomatis.
    Common among adolescents and young adults. Symptoms are similar to gonorrhea, but many individuals may have no symptoms at all.

    3. Syphilis

    Caused by Treponema pallidum.
    Often begins with a painless sore (chancre) and swollen lymph nodes. If untreated, it can progress and affect multiple organs.

    4. Genital Herpes

    Caused by the Herpes Simplex Virus (HSV).
    Characterized by painful blisters or sores around the genital area. The infection may recur.

    5. Genital Warts

    Caused by certain types of Human Papillomavirus (HPV).
    Appears as small growths or warts around the genital area. Some HPV strains are associated with cervical cancer.

    6. Hepatitis B and C

    Transmitted through sexual contact and blood exposure.
    These viruses can cause chronic liver infection, cirrhosis, and liver cancer.

    7. Human Immunodeficiency Virus (HIV)

    HIV attacks the immune system.
    Without treatment, it can progress to Acquired Immunodeficiency Syndrome (AIDS).


    Symptoms to Watch For

    • Abnormal vaginal discharge, unusual odor, or change in color

    • Burning sensation during urination

    • Unusual discharge or pus from the genitals

    • Sores or blisters around the genitals, mouth, or anus

    • Itching, swelling, or redness in the genital area

    • Fever-like symptoms, fatigue, weight loss, or skin rashes

    ⚠️ Important: Some individuals may have no symptoms but can still transmit the infection to others.


    Risk Factors

    • Having multiple sexual partners

    • Not knowing your partner’s sexual health status

    • Not using condoms

    • Unprotected vaginal, anal, or oral sex

    • Sharing needles or sharp objects

    • Mother-to-child transmission during pregnancy or delivery


    Prevention

    • Use condoms consistently and correctly during sexual activity

    • Limit the number of sexual partners

    • Choose partners who have been tested

    • Avoid sharing needles or sharp instruments

    • Get vaccinated when available (e.g., HPV vaccine and Hepatitis B vaccine)

    • Undergo regular sexual health screenings, especially if at risk


    What Should You Do If You Are Concerned?

    If you experience symptoms or have had unprotected sexual contact, consult a healthcare professional promptly for testing and diagnosis. Many STDs are treatable — especially when detected early.

    Early diagnosis reduces complications and prevents further transmission.


    Take Charge of Your Sexual Health

    Sexually transmitted diseases are preventable. Practicing safe sex, getting vaccinated, and undergoing regular health screenings are effective ways to protect yourself and your partner.

    If you are at risk or have concerns, do not wait for symptoms to become severe. Seek medical advice early to receive appropriate care and treatment.

    Your health is your responsibility — protect it.

    Information by

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    Dr. Napawon Poonyavejthumrong

    General Practice

    Dr. Napawon Poonyavejthumrong

    General Practice

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