Doctor insights on:
Difference Between Lice And Crabs
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
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
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
Depends: Pubic lice (phthirus pubis) can be treated with otc product like nix or rid. Other options are prescription medications like Malathion (kept on affected area for 8 to 12 hours); invermectin (2 pills – may need to repeated in 10 days); lindane (if you have failed other treatments). ...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
Sort of: They belong to similar family of lice. Pediculosis pubis can be googled and in general are a little fatter than head lice. It is difficult to see as you will require a magnifying lense or microscope to determine them. I would see your pcp or dermatologist locally for this. ...Read moreSee 2 more doctor answers
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