Pubic Lice

Medically Reviewed

Pubic lice (crabs) are tiny parasites that cause intense itching in the pubic area and are spread through close body contact. They are diagnosed by visual inspection and treated with insecticidal lotions or creams. A single treatment usually clears the infestation.

Pubic Lice: Key Facts

Incubation Period
1–3 weeks before itching begins
Test Window
Diagnosed when symptoms present (visual examination)
Results
Same day (clinical diagnosis)
Treatment
Insecticidal lotion (permethrin or malathion)
Cure Rate
95%+ with correct treatment
Book Pubic Lice Assessment – £150

Results within 24 hours • Same-day treatment available

Signs & Symptoms

Symptoms of Pubic Lice

Common Symptoms

  • Intense itching in the pubic area (worse at night)
  • Visible lice or eggs (nits) on pubic hair
  • Blue-grey spots on the skin (from lice bites)
  • Brown specks (lice droppings) on underwear
  • Irritation and inflammation from scratching
Next step

Book a same-day Pubic Lice test

Consultation, examination, testing and treatment at our Harley Street clinic. Most results within 24 hours.

How It Spreads

How is Pubic Lice Transmitted?

  • Close body contact, usually during sex
  • Sharing bedding or towels (less common)
  • Cannot be spread by casual contact or toilet seats
Stay Protected

Prevention

  • Avoid close body contact with anyone who has pubic lice
  • Wash bedding and towels at 50°C or above
  • All sexual partners should be treated simultaneously
  • Regular checks if a partner is affected
If Untreated

Complications if Untreated

  • Secondary skin infection from scratching
  • Spread to other body hair (chest, armpits, beard, eyelashes)
  • Psychological distress
Common Questions

Frequently Asked Questions

Dr Mohammad Bakhtiar
Medically Reviewed

Dr Mohammad Bakhtiar

MD, PhD, LRCP, MSc, DHMSA

Sexual Health

GMC: 4694470Last reviewed: July 2026

All medical content is reviewed by qualified healthcare professionals registered with the General Medical Council (GMC).

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Don't just test. Get treated. Our experienced Harley Street doctors can examine, diagnose, and prescribe treatment on the spot. We offer Consultations, Examinations, Testing and Treatment all under one roof.

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Book a same-day Pubic Lice test

Consultation, examination, testing and treatment at our Harley Street clinic. Same-day appointments and walk-ins welcome.

Mon-Fri 9am-6pm, Sat-Sun 10am-2pm. Walk-ins welcome.