[Alpha-herpes virus infections--male genital herpes]

T Hirose1

  • 1Department of Urology, Hokkaido Central Hospital for Social Health Insurance.

Insights

Male genital herpes, often caused by herpes simplex virus type 2 (HSV-2), is a common STD in Japan. Treatment with oral acyclovir shortens recovery, but challenges like asymptomatic shedding and transmission persist.

Area of Science:

  • Infectious Diseases
  • Virology
  • Dermatology

Context:

  • Male genital herpes is the third most common sexually transmitted disease (STD) in Japan.
  • Specific clinical findings include painful superficial ulcerations, particularly on the prepuce.
  • Herpes simplex virus (HSV) establishes latent infections in neurons after initial mucocutaneous exposure.

Purpose:

  • To describe the epidemiology and clinical characteristics of male genital herpes in Japan.
  • To evaluate the efficacy of oral acyclovir in treating genital herpes.
  • To identify persistent challenges in managing HSV infections.

Summary:

  • Herpes simplex virus type 2 (HSV-2) caused 76% of first-episode genital herpes infections and most recurrent cases.
  • Oral acyclovir treatment shortened the duration of infection from approximately 20 days to 5-10 days.
  • Key challenges include asymptomatic viral shedding, severe infections in immunocompromised individuals, sexual transmission, and vertical transmission to neonates.

Impact:

  • Highlights the significant prevalence of genital herpes in Japanese males.
  • Demonstrates the therapeutic benefit of acyclovir in reducing genital herpes duration.
  • Underscores the ongoing public health concerns associated with HSV, including transmission and management in vulnerable populations.

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