Everything About Pubic Lice You Don’t Know.

Pubic lice also called crabs are blood-sucking ectoparasites that infest the coarse human body hair like the pubic hair. They are called crabs because they have two large legs in front like crabs. They lay eggs in sacs that stick to the hair and make it pale brown color. The parasite has six legs and is often in a yellow-grey or dusky red color. It is majorly spread through close contact with infected individuals because they don’t jump or fly.

Pubic lice (Phthirus pubis) are 3mm long and can survive on the human body for only ten days. The male is about one-tenth the size of a female. The female pubic louse has a rounded abdomen and larger head with a rudimentary proboscis which it uses to feed on the host. The male louse has an elongated, narrow, flattened body with both sexes having six legs. The head of the pubic louse is about 0.4mm long; it is pointed and slightly more rotund than the females. It feeds by inserting its proboscis into hair follicles to suck blood (the life cycle of this parasite includes five distinct developmental stages).

How Can You Contract Pubic Lice?

Pubic lice are spread very easily from one person to another. They are small parasites that tend to lay eggs at the base of the pubic hair. The adult lice lay around 3-6 eggs a day and the eggs hatch within a week. If the eggs become loose through friction or by breaking off, they can easily end up on bedsheets, clothing, or towels. This allows the parasites to spread to other people. Therefore, You shouldn’t:

  • You shouldn’t lie on the same bed with an individual who has the parasite.
  • You shouldn’t have intimate contact like sexual intercourse with an infected individual.
  • Don’t allow an infected person to pull off her clothing in your home because the eggs are spreading by doing so.
  • Avoid objects that have been with or around someone who has the parasite.


Symptoms Associated With Pubic Lice Infestation.

These are the signs to watch out for if you suspect an infestation.

  • Intense itching of the genital area and anus.
  • Low-grade fever.
  • Sores on the genitals or anus.
  • Small bumps on the skin resulting from the egg-laying on top of your skin and causing irritation and swelling.
  • Pale bite marks around the genital area- certain areas may be more affected than others due to how close they have been to the louse eggs. As these spots heal their appearance will change to a darker coloration.
  • Drained energy.
  • Irritability.

Effective Treatments.

If you are currently suffering from an infestation of pubic lice, don’t panic! There are many ways to effectively manage pubic lice infestation, including using an anti-itch product.

  • Permethrin Lotions like RID, Nix, and A-200 are reliable.
  • Mousse containing Pyrethrin and Piperonyl butoxide is effective for treating pubic lice.
  • Ivermectin (Stromectol), is an oral two-pill dose. You can repeat medication after 14 days.

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2 comments

  1. sometime in October last year, I awoke up to find two red lumps on my crotch. At first I presumed them to be some kind of skin irritant, damages from the pressure of the tight jeans i had worn that day. after three days they had turned into small red welts.
    On the fourth day they had begun to look more like pin heads, and were much smaller than ever before. The next day the entire area was covered in tiny red dots. i had began to experience some discomfort in the area, a kind of aching, but dismissed the idea that it might be due to lice. Surely they must be pin pricks from jeans or something to that effect. No, they were not normal pin-pricks, rather they reminded me of tiny protuberant noses, they just seemed so odd. in the evening, i went to a shower to take off my jeans. As soon as i got to the shower i examined my crotch and found traces of lice. The little bumps were attached to my skin almost like ticks or leeches might be, they were pinkish red and sometimes a little black. This is definitely the moment when i began to realize that they were something other than just some small pin prick. I informed my mum and immediately went to see the family doctor. it took two weeks to get rid of it completely. While I was recovering my sister had an outbreak.