Infection

(h) Parasitic - crab lice

ADULT

First Choice:
malathion
Second Choice:
permethrin
Formulations/Dose
  • malathion 0.5% 200mL aqueous liquid (Derbac-M® or Quellada M® liquid): apply over whole body, allow to dry naturally, wash off after 12 hours or overnight, repeat application after 7 days
  • permethrin 5% 30g (or 2x30g) dermal cream ADULT over 18 years (rest of directions as malathion).
Prescribing Notes
  • Aqueous preparations and dermal cream are preferred rather than alcoholic preparations due to irritation of excoriated skin and genitalia.