genital herpes

Overview
Genital herpes is a sexually transmitted infection (STI) caused by the herpes simplex virus (HSV)—most commonly HSV-2, though HSV-1 (typically associated with oral herpes) can also cause genital infections. Once a person is infected, the virus remains in the body for life, residing in nerve cells and causing occasional flare-ups. Many people with genital herpes don’t know they have it because symptoms can be mild or absent.

Why It’s Important
Genital herpes is highly contagious and incurable, yet manageable. It can cause painful sores, emotional distress, and increase the risk of HIV transmission. For pregnant individuals, the virus can pose serious health risks to newborns if passed on during childbirth. Reducing stigma, recognizing symptoms, and getting tested are critical for both individual and public health.

Quick Facts

  • Caused by HSV-2 (primarily) or HSV-1

  • Affects men and women, typically appears in teen or adult years

  • Estimated 1 in 6 people aged 14–49 in the U.S. have genital herpes

  • Chronic condition with intermittent outbreaks

  • Many carriers are asymptomatic but still contagious

What Happens in the Body
After initial infection, HSV enters the nervous system and becomes dormant in the nerve ganglia near the spinal cord. During reactivation (often triggered by stress, illness, or hormonal changes), the virus travels along nerves to the skin, causing outbreaks of sores. While the immune system controls the virus, it never fully clears it.

Common Signs and Symptoms

  • Painful blisters or sores in the genital or anal area

  • Itching, tingling, or burning before sores appear

  • Flu-like symptoms during the first outbreak (fever, body aches, swollen glands)

  • Painful urination

  • Symptoms may be mild, absent, or confused with other conditions like ingrown hairs or yeast infections

  • Recurrent outbreaks usually become less severe over time

Diagnosis

  • Physical exam of visible sores

  • Viral culture or PCR test from a lesion sample

  • Blood test (for HSV antibodies) if no sores are present
    See a doctor if:

  • You notice unusual sores, itching, or pain in the genital area

  • You’ve had unprotected sex or a partner has herpes

  • You’re pregnant and suspect or know you have herpes

Treatment and Management

  • Antiviral medications (e.g., acyclovir, valacyclovir, famciclovir)

    • Help shorten outbreaks and reduce severity

    • Suppressive therapy (daily meds) can reduce frequency and transmission risk

  • Self-care during outbreaks:

    • Keep area clean and dry

    • Wear loose clothing

    • Use pain relief methods like warm baths or OTC pain relievers

  • No cure, but outbreaks can be managed effectively

Risks and Complications

  • Psychological impact: anxiety, shame, stigma

  • Increased risk of HIV if exposed

  • Neonatal herpes: potentially life-threatening for infants

  • Rare complications: aseptic meningitis, urinary retention

Who Is at Risk

  • People with multiple sex partners or unprotected sex

  • Those with a partner who has herpes

  • Women are more biologically vulnerable to infection

  • People with HIV or compromised immune systems

Related Conditions

  • Oral herpes (HSV-1)

  • Other STIs (HIV, syphilis, chlamydia)

  • Bacterial vaginosis or yeast infections (can mimic symptoms)

  • Urinary tract infections (UTIs) during outbreaks

When to See a Doctor

  • If you develop painful sores, burning urination, or flu-like symptoms

  • If a partner is diagnosed with herpes

  • Before becoming pregnant or during pregnancy to prevent complications

  • If you need guidance on managing outbreaks or preventing transmission

Last Updated: June 28, 2025