Pubic Lice

Question 1

What is pubic lice?

Answer 1

Parasitic infestation by Pthirus pubis, lives on hair and sucks blood. Transmitted through intimate contact; parent/child transmission possible.

Pubic lice are small insects that primarily infest the pubic hair but can also be found in other coarse body hair.

Question 2

What are the symptoms of pubic lice?

Answer 2

Itching, red/blue spots, visible nits/lice.

Itching is caused by an allergic reaction to the bites of the lice.

Question 3

How do we diagnose pubic lice?

Answer 3

Visual ID of lice/nits.

Diagnosis can often be made by simply examining the affected area for lice or their eggs.

Question 4

How do we treat pubic lice?

Answer 4

5% Permethrin cream, apply once weekly for 2 doses. Apply to body, leave for 12 hours (or overnight), then wash off. Treat all household contacts.

Question 5

What is the follow-up procedure after treating pubic lice?

Answer 5

Arrange referral to GUM clinic for contact tracing & STI screening. Follow-up in 1 week for clearance.

It is important to ensure that all contacts are treated to prevent reinfestation.