Spending much time and money on housecleaning

within a week if they are not kept at the same temperature as that found close to the human scalp.
Spending much time and money on housecleaning activities is not necessary to avoid reinfestation by
lice or nits that may have fallen off the head or crawled onto furniture or clothing.
Do not use fumigant sprays; they can be toxic if inhaled or absorbed through the skin.

Treatment
Medication Brand Name Notes
Benzyl Alcohol lotion, 5% Ulesfia Lotion Use for head lice. Works on body
lice. Not ovicidal. Retreat in 7
days. Not for under 6 months.
Safety in over 60 not known.
Ivermectin lotion, o.5% Sklice For over 6 months age. Not
ovicidal but prevents nymph
survival. Retreat only after
discussing with health care
provider. * see note in notes
section of this slide
Malathion lotion, 0.5% Ovide Pediculicidal and partially
ovicidal. Retreat in 7-9 days. Not
for use under age 6y.
FLAMMABLE
Spinosad Topical Suspension,
0.9%
Natroba Kills lice and eggs. Age 6 months
or more. Retreat only if lice are
seen at 7 days.
Lindane Shampoo, 1% None Second line Rx only. Not for use
in children, elderly or if less
than110lbs. ** see notes below

Pubic Lice-- Pthirus pubis
Insect that is an obligate ectoparasite of humans
feeding exclusively on blood.
Can live in areas of coarse hair other than pubic hair.
(ex. Eyelashes,mustache/beard, legs. On head are
usually Head Lice).
Have three forms or stages–
Nits: egg stage, oval and yellow to white. Take appx. 6-10 days to hatch.
Nymph: immature louse that hatches from egg. Looks like adult but
smaller. Take 2-3 weeks to grow into adults that can reproduce. Must
feed on blood.
Adult: resembles a miniature crab. 6 legs with two large front legs. Tan
to greyish-white. Female larger than males. Must feed on blood. Die in
1-2 days if off host. Not spread by animals.

Pubic Lice
Infestations are found worldwide and have no racial
or socioeconomic preponderance.
Usually spread through sexual contact and more
common in adults. (Note: Pubic Lice on head /
eyelashes of children may be signs of sexual
abuse).
Occ. Spread by close personal non-sexual contact or
by clothing, bed linens or towels.
Do not transmit disease can have secondary infection
of the bites. Can cause a dermatitis. Persons with
pubic lice should be evaluated for other STDs.

Pubic Lice
Diagnosis:
Must find louse or eggs in hair of pubic region or less
commonly elsewhere.
Treatment:
Typically 1% permethrin . Malathion 0.5% (Ovide)
can kill lice and some eggs but is not currently
approved for pubic lice.
See table of Rx for head lice.

Pubic Lice—Treatment (non-
medication)
1. Wash the infested area; towel dry.
2. Carefully follow the instructions in the package or on the label. Thoroughly saturate the
pubic hair and other infested areas with lice medication. Leave medication on hair for the
time recommended in the instructions. After waiting the recommended time, remove the
medication by following carefully the instructions on the label or in the box.