AIDS Committee of Windsor

 

What are crabs?

Peduculosis Pubis is the presence of the crab louse in pubic and other hairy parts of the body. This infestation is also referred to as crabs, lice and 'the cooties'. Peduculosis pubis is a problem worldwide with outbreaks in dormitories, military bases and even within families. Pubic lice are small white specks resembling which looks like a tiny white speck against the hair. When examined under a microscope, the peduculosis pubis looks much like a crab with 3 claws and 4 legs. After the crab has bitten the host and fed upon the blood in the capillaries it turns a rust colour. It lives a 30-day lifetime and mates frequently.

What are the symptoms?

These 'crabs' bite their host which results in the appearance of bluish spots in the genital area. The most common symptom is an itchy genital region. Some may find the 'crabs' not only in their pubic hair but also in eyebrows, eyelashes, their beard and entire body.

How are the ‘crabs’ contracted?

The spread of lice is primarily through sexual contact with an infested partner. The crabs can also be transmitted by coming into contact with contaminated bedding, clothing and toilet seats. Crabs can live in wet rags or towels, and are thus sometimes passed within a household or gym.

How is the condition treated?

The most common treatment is a chemical called gamma benzene hezachloride. Other medications include Kwell and RID. Many are available without a presciption, however it is always best to consult a physician if crabs are identified. Lice found on the eyelids or eyebrows can be removed with tweezers. In addition, it may be advisable to add some vaseline to the edge of the eyelids to help kill the crabs. For several days after an effective treatment, itching will continue. All clothing or bedding used throughout the infection should be washed in hot water or dry cleaned.

Updated July 13, 2004

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