Herpes Transmission: When Is It Contagious & How to Reduce Spread

Herpes (HSV-1/2) is most contagious during active lesions but can shed asymptomatically.

Transmission Routes

  • Direct contact with lesions (kissing, oral/genital sex)
  • Contact with contaminated items (towels, razors, toys)
  • Autoinoculation (touching sore then another body site)

Not Spread By

Casual contact, air, toilet seats, shared utensils (unless contaminated with fresh secretions).

Prevention

  • Avoid sex during outbreaks
  • Condoms (reduce, not eliminate risk)
  • Daily suppressive antivirals if frequent recurrences
  • Hand hygiene after touching lesions

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