Genital Herpes
A common sexually transmitted viral infection causing painful blisters that can come back.
Quick Summary
Painful blisters or sores on the genitals, itching, pain passing urine and flu-like symptoms during the first outbreak.
Antiviral medicines such as aciclovir to shorten outbreaks; long-term treatment for frequent outbreaks.
Unprotected sex and contact with sores.
Overview
Genital herpes is caused by herpes simplex virus. The virus stays in the body and can cause repeated outbreaks.
Outbreaks usually become milder and less frequent over time.
Symptoms
Blisters
Painful sores.
Itching and tingling
Before sores appear.
Pain passing urine
During outbreaks.
Flu-like symptoms
With the first outbreak.
Causes & Risk Factors
Biological Causes
Herpes simplex virus spread through skin-to-skin contact.
Key Risk Factors
- Unprotected sex Not using condoms.
- Multiple partners Or a partner with other partners.
- Previous STIs Increase risk.
Management & Treatment
01. Antivirals
Aciclovir or valaciclovir.
02. Symptom relief
Salt baths and painkillers.
03. Prevention
Condoms and avoiding sex during outbreaks.
Frequently Asked Questions
Can herpes be cured?
Can it affect pregnancy?
Sources and further reading
Last updated 21 October 2026. For more detail, see these trusted health organisations.
- Genital Herpes(opens in a new tab) · MedlinePlus, US National Library of Medicine
- Genital herpes(opens in a new tab) · NHS