Pubic lice (crabs)
Pubic lice (pediculosis/crabs/pubic crabs) are
are small, wingless parasites that live in
public hair around the genitals & perianal
regions, feeding off the blood of their host.
They can also be found on other areas of the
body that has thick hair such as beard, under
arms, eyebrows & eyelashes.
The most common mode of transmission is close
physical contact, such as during sexual
activity. Pubic lice can also be spread via
shared towels, clothing, bedding etc.
Infestation with lice is known as pediculosis.
Signs of public lice:
Symptoms usually appear within a week or two of
infection.
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The most common symptom of pubic lice is
itching, it may be worse at night.
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Inflammation, rash & red papules may occur
due to itching, scratching & sensitivity.
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Faint blue spots may also be visible where
the louse has bitten.
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Greyish coloured lice or white/yellow eggs
(nits) may be visible on the hair.
Treatment for pubic lice:
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Topical insecticidal ointments &
preparations that contain permethrin 1%.
This is applied to cool, dry skin (from the
chest down) and left for 10 minutes.
Treatment will need to be repeated 7-10 days
later to kill any lice that have hatched in
the meantime.
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Dead lice & nits may be removed with a nit
comb or the fingernails.
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Wash in hot water and tumble dry all
bedding, underwear & towels.
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Sexual partners should also be treated.
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If there are lice in the eyelashes or
eyebrows see your GP. They will need to
prescribe an ointment to remove lice and
eggs. Products containing permethrin should
not be applied to the eyelashes or eyebrows.
Please note:
The medical
articles on this site have not been written by a
doctor & should not be considered a replacement for a
doctor visit. The articles are provided for
informative purposes only.
Always seek
immediate medical advice for any problems.
While great
care has been made in the creation of these articles, we
cannot guarantee the accuracy or omissions on these pages.
If in any doubt whatsoever, seek professional medical
advice.
