Doctor insights on:
Difference Between Lice And Crabs
Body lice (pediculus humanus corporis) are similar to head lice. These are tiny parasitic insects live on the clothes and can often be seen at the seams. They feed on the blood of the host, and can spread certain infections. Generally these are found in the homeless or those who are ...Read more
Active ingredients: The differences between prescription and OTC lice treatments are the active ingredients, treatment protocols (some require more than one application), and side-effect and safety profiles. OTC: 1. Permethrin (NIX) 2. Pyrethrins and piperonyl butoxide (Rid) Rx: 1. Benzyl alcohol 5% (Ulesfia) 2. Malathion lotion (Ovide) ...Read more
Sexual transmission: The crab louse is usually transmitted sexually. It is most common in teenagers and young adults. It can also be acquired from fomites, such as contaminated clothing, towels, and linens. Acquisition from toilet seats is unlikely. It is commonly treated with a topical pediculocide, such as 1% Permethrin cream or a pyrethrin. ...Read moreSee 1 more doctor answer
Pubic lice: The pubic louse (phthirus pubis) is also given the slang name of crabs. It is about 1/16th of an inch in size ; when magnified looks like a crab. It is most commonly spread during sexual intercourse. It is a different organism then the lice that infect the hair or the body. Blue spots may show on the skin where the lice have been feeding. Nits (eggs) may noted on the pubic hairs. ...Read more
Body lice: You need to have close or intimate contact to catch but. But they can be on the clothes too. Be carful. ...Read more
Pubic lice: The most effective approach is to retreat lice. The reason is that not all pediculicides kill the eggs. It is best to retreat in the window when the eggs have hatched into nymphs but are not yet hatching new eggs. There are however, some pediculicides which are strongly ovicidal. ...Read more
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