Pubic Lice

Canadian Guidelines on Sexually Transmitted Infections - Ectoparasitic Infestations

 

- Wash clothes, bedding and fomites in hot water (>50°C) and dry on hot cycle. If item can not be washed, place in plastic bags for 7 days. Vacuum mattresses.

- Treat sexual partners within last month.

- Pruritus may persist for several days or weeks.

- Lindane has been discontinued from the Canadian market (Feb 2012) as it is a persistent organic pollutant.

 
Usual Pathogens

Phthirus pubis

 

Empiric Therapy Dose Duration
Permethrin 1% creme rinse (Nix®) Apply, wash off after 10 minutes May be repeated in 3-7 days
or    
Pyrethrin 0.33% - piperonyl butoxide 3% shampoo (R&C®) Apply, wash off after 10 minutes May be repeated in 7 days

Alternative

Empiric Therapy Dose Duration
Ivermectin 200-400mcg/kg PO 1 dose