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Genital Herpes: Causes, Symptoms and Treatment

Genital herpes is a common sexually transmitted infection caused by the herpes simplex virus. It causes painful blisters in the genital area and has no permanent cure.

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Things worth knowing about "Genital Herpes"

Genital herpes is a common sexually transmitted infection caused by the herpes simplex virus. It causes painful blisters in the genital area and has no permanent cure.

What is Genital Herpes?

Genital herpes is one of the most common sexually transmitted infections (STIs) worldwide. It is caused by the herpes simplex virus (HSV), most often by type 2 (HSV-2), and less frequently by type 1 (HSV-1), which more commonly causes oral cold sores. Once a person is infected, the virus remains in the body for life and can cause recurring outbreaks.

Causes and Transmission

Genital herpes is primarily transmitted through direct skin or mucous membrane contact during sexual activity. The virus can be passed on even when no visible sores are present, a process known as asymptomatic viral shedding.

Transmission occurs through vaginal, anal, or oral sex
Higher risk in individuals with weakened immune systems
Transmission from mother to newborn during delivery is possible (neonatal herpes)

Symptoms

Many people with genital herpes experience no or only mild symptoms. When symptoms do occur, they typically include:

Painful, itchy, or burning blisters in the genital, anal, or thigh area
Open sores (ulcers) after the blisters burst
Pain or burning sensation during urination
Swollen lymph nodes in the groin
General feeling of illness, fever, and headaches (especially during the first outbreak)

After the initial outbreak, recurrent episodes may occur, which are usually milder than the first infection.

Diagnosis

Diagnosis is typically made through physical examination and laboratory tests:

Swab from blisters or sores: Detection of the virus using PCR (polymerase chain reaction) or viral culture
Blood test (serology): Detection of antibodies against HSV-1 or HSV-2

Early diagnosis is important to prevent transmission and to start appropriate treatment.

Treatment

Genital herpes cannot be cured, as the virus remains permanently in the nervous system after infection. However, antiviral therapy can relieve symptoms, shorten outbreaks, and reduce the risk of transmission to sexual partners.

Antiviral Medications

Acyclovir: A classic antiviral agent used to treat acute outbreaks
Valacyclovir: A prodrug of acyclovir with better bioavailability, often used for suppressive therapy
Famciclovir: Another antiviral option for both acute episodes and long-term management

Suppressive Therapy

For individuals with frequent recurrences (more than 6 per year) or those wishing to reduce transmission risk, daily antiviral suppressive therapy may be recommended.

Prevention

Consistent use of condoms reduces -- but does not eliminate -- the risk of transmission
Avoiding sexual contact during active outbreaks
Open communication with sexual partners
Regular STI screening for high-risk individuals

Psychosocial Aspects

A genital herpes diagnosis can cause significant emotional distress. Shame, fear of stigma, and concerns about relationships are common reactions. Psychological support, peer support groups, and honest conversations with a healthcare provider can help individuals manage the condition and maintain a healthy quality of life.

References

World Health Organization (WHO): Herpes simplex virus. Fact Sheet. https://www.who.int/news-room/fact-sheets/detail/herpes-simplex-virus (2023)
Centers for Disease Control and Prevention (CDC): Genital Herpes - STI Treatment Guidelines. https://www.cdc.gov/std/treatment-guidelines/herpes.htm (2021)
Looker K.J. et al. - Global and regional estimates of prevalent and incident herpes simplex virus type 1 infections in 2012. PLOS ONE, 2015.

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