Phthiriasis

Phthiriasis is a condition caused by the infestation of the human body louse, Pediculus humanus. This condition is also commonly referred to as pediculosis. The lice that cause phthiriasis are tiny insects that feed on human blood and are found worldwide. They are spread through close personal contact or through sharing personal items.

Symptoms

The most common symptom of phthiriasis is intense itching in the areas where the lice are present. This is caused by an allergic reaction to the lice bites. Other symptoms may include a rash, sores from scratching, and visible lice or eggs on the body or in clothing.

Diagnosis

Diagnosis of phthiriasis is typically made by visual inspection. The lice or their eggs (nits) can often be seen in the seams of clothing or on the body. In some cases, a magnifying glass or microscope may be used to confirm the diagnosis.

Treatment

Treatment for phthiriasis usually involves using a medicated shampoo or lotion that kills the lice. These treatments are often available over-the-counter, but prescription options are also available for more severe infestations. It's also important to wash all clothing and bedding that the infected person has been in contact with in hot water to kill any remaining lice or eggs.

Prevention

Prevention of phthiriasis involves avoiding close personal contact with an infected person and not sharing personal items like clothing, towels, or bedding. Regular washing of these items can also help prevent an infestation.

See also

• Louse
• Pediculosis capitis
• Pediculosis corporis
• Pediculosis pubis

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