PUBIC LICE PEDICULOSIS PUBIS – OVERVIEW, DEFINITION , SIGNS AND SYMPTOMS , TREATMENT.
Pediculosis pubis (also known as “crabs” and “pubic lice” is a disease caused by the pubic louse, Pthirus pubis, a parasitic insect notorious for infesting human pubic hair. The species may also live on other areas with hair, including the eyelashes, causing pediculosis ciliaris. Infestation usually leads to intense itching in the pubic area. Treatment with topic agents such as permethrin or pyrethrin with piperonyl butoxide is exceedingly effective. You can easily buy them over counter .Worldwide it affects about 2% of the population.
How do you know you are having pubic lice??
1. Signs and symptoms
The main symptom is itching, usually in the pubic-hair area, resulting from hypersensitivity to louse saliva, which can become stronger over two or more weeks following initial infestation. In some infestations, a characteristic grey-blue or slate coloration macule appears (maculae ceruleae) at the feeding site, which may last for days. Nits or live lice may also be visible to the unaided eye.
2. How we classifying them?
Infection with pubic lice is also called phthiriasis or phthiriasis pubis, while infection of eyelashes with pubic lice is called phthiriasis palpebrarum or pediculosis ciliaris.The disease is spelled with phth, even though the scientific name of the louse is spelled with pth.
3. How the doctor will examine you??
A pubic louse infection is usually diagnosed by carefully examining pubic hair for nits, nymphs, and adult lice.Lice and nits can be removed either with forceps or by cutting the infested hair with scissors (with the exception of an infestation of the eye area). A magnifying glass or a stereo-microscope can be used for the exact identification. If lice are detected in one family member, the entire family needs to be checked and only those who are infested with living lice should be treated.
Testing for other sexually transmitted infections is recommended in those who are affected.
4. HOW TO TREAT THIS??
Recommended treatments include the topical agents permethrin or pyrethrins with piperonyl butoxide. Lindane is a second line treatment due to concerns of toxicity. The Centers for Disease Control and Prevention (CDC) states that lindane should not be used by persons who have extensive dermatitis, women who are pregnant or lactating or children aged under two years. I don’t think lidane is still available in the market..
The FDA similarly warns against use in patients with a history of uncontrolled seizure disorders and cautious use in infants, children, the elderly, and individuals with other skin conditions (e.g., atopic dermatitis, psoriasis) and in those who weigh less than 110 lbs (50 kg).
Bedding and clothing should be laundered and sexual contact should be avoided until cured. A second treatment is occasionally required if not improved after 3 to 7 days.
Pubic lice are primarily spread through sexual intercourse. Therefore, all partners with whom the patient has had sexual contact within the previous 30 days should be evaluated and treated, and sexual contact should be avoided until all partners have successfully completed treatment and are thought to be cured. Because of the strong association between the presence of pubic lice and classic sexually transmitted infections (STIs), patients diagnosed with pubic lice should undergo evaluation for other STIs.
Infections of the eyelashes may be treated with either petroleum jelly applied twice daily for 10 days or malathion, phenothrin and carbaryl.
RESOURCES – CREATIVE COMMONS
These are just for informational and educational purpose only..Please consult your physician for more..
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