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Doctor insights on: Difference Between Lice And Crabs

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What is the difference between crabs and pubic lice?

What is the difference between crabs and pubic lice?

They're the same.: Pubic lice are commonly referred to as "crabs" or crab lice. The scientific name is phthirus pubis. ...Read more

Body Lice (Definition)

Similar to head lice, these tiny parasitic insects live on the clothes and can often be seen at the seams. They feed on the blood of the host, and ...Read more


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How to get rid of crabs/pubic lice?

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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Is it possible get crabs (pubic lice) from someone who doesn't think she has them?

Difficult to answer: Well, if someone truly does not have crabs then that person cannot give crabs to someone else. However, if that person is not telling the truth and actually has crabs then certainly it can be spread to others. ...Read more

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How can I confirm when pubic lice (crabs) are fully gone?

How can I confirm when pubic lice (crabs) are fully gone?

Examination: The skin has to be examined to be sure that the organisms are gone. They lay eggs for a followup after treatment is essential. ...Read more

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I have been prescribed selsun shampoo (2.5% selenium sulphide) by a doctor for having pubic lice or crabs. Will it work?

Pubic lice: A lice-killing lotion containing 1% Permethrin or a mousse containing pyrethrins and piperonyl butoxide can be used to treat pubic lice. These are available otc without a prescription, are safe and effective when used according to instructions in the package. Am unaware of evidence that selenium is effective against these critters, but am always willing to learn. ...Read more

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How did I get pubic lice?

How did I get pubic lice?

Intimate contact.: Pubic lice are usually spread via sexual contact. Though less likely, it is also possible to transmit pubic lice via personal items such as towels, clothes, or bedsheets. ...Read more

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How would I know I have pubic lice?

How would I know I have pubic lice?

Itching and bugs: You would have had to have had exposure to someone infected too. If you have been exposed it is better to treat than not to treat. ...Read more

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Can there be pubic lice in my bedsheets?

Can there be pubic lice in my bedsheets?

Pediculosis pubis: Is the name for crabs infesting the pubic area. Crabs (lice) often live in the pubic area or near the anus. The can also live in the hair or eye lashes. The lice’s saliva can cause a person to become very itchy, which is usually worse at night. There may be spots on skin that look bluish gray where the lice has bitten. Sores can develop when skin is scratched. The diagnosis is made by identifying. ...Read more

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I think I have pubic lice. Should I shave?

I think I have pubic lice. Should I shave?

Why: The pubic louse lives off blood it attains by biting your skin. The obvious treatment would be a cream or lotion to kill the buggers. The hair is just an innocent bystander. If your personal desire is to shave the area, you could keep a closer watch on the success of your rx. However, if you don't plan to keep the area shaved, I think its a lot of needless effort that won't help you heal faster. ...Read more

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Are pubic lice a red colour?

Are pubic lice a red colour?

Yes: Here is an image of a pubic louse and a head louse. Hope this helps! ...Read more

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What colour are pubic lice eggs?

Usually, off white: Most lice eggs or nits appear off-white against dark pubic hair, appear somewhat triangular, and are attached to the hair shaft. They may be hard to see in very fair individuals. A nit comb may be helpful in looking for them. ...Read more

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What causes pubic lice and what causes rid of them?

By contact: Contact with somebody else with lice.
There are many creams or oral treatment for it.
I think the most effective medication is ivermectin. ...Read more

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How can I treat pubic lice?

Many things: First visit your doctor for proper treatment (scabicide) and advice about preventing a recurrence. Next boil or dry clean sheets, pillow cases, blankets, or any clothing exposed to the lice. Don't forget luggage). Finally, be sure all contacts/environments are treated simultaneously. These infestations usually occur in crowded settings such as barracks or camps. ...Read more

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How do I tell her I might have pubic lice?

How do I tell her I might have pubic lice?

Pubic lice: Pubic lice are tiny insects that live on the pubic hairs, and climb down onto the skin to take a blood meal. You may see tiny specks of blood on your underwear or sheets, and if you look carefully, you may see the tiny gray creatures attached to the hairs. They are not easy to diagnose, so you should make sure you have them before you tell your female friend, . You must both be treated by a doctor. ...Read more

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What is crab lice and how do you get them?

Pubic lice: Pubic lice usually are spread through sexual contact and are most common in adults. Pubic lice found on children may be a sign of sexual exposure or abuse. Occasionally, pubic lice may be spread by close personal contact or contact with articles such as clothing, bed linens, or towels that have been used by an infested person. A misunderstanding is that pubic lice are spread by toilet seats. ...Read more

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How do you get crab lice and how is it treated?

Skin to skin contact: Crab lice is transferred by skin to skin contact with an infested individual with transfer approaching 95% with one sexual contact. A 10 minute application of a pyrethrin preparation is usually effective in treating an infestation. Many retreat a week later to be sure. ...Read more

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Are pubic lice noticeable? What are the symptoms?

Phthirus pubis: 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

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What is the definition or description of: pubic lice?

"crabs": Pubic lice is a parasitic infection of the hair shaft that can cause irritation and itching. It is spread by close contact. ...Read more

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Can you tell me how I could tell if I have pubic lice?

Pubic Lice: Pubic lice may be found on genitalia, underarms, chest or even eye brows. Lice can itch a lot. Lice may be tan to brown gray & the size of a sesame seed. Nits are tiny, light to white colored deposits that adhere to hair. When lice have been present for a long time – surrounding skin may be purple or blue. ...Read more

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Are pubic lice eggs brown?

Are pubic lice eggs brown?

Yes: The lice and the nits both tend to be dark brown. There are white nits which are often associated with a fungal infection. ...Read more

Crabs (Definition)

Crab lice is a colloquial term for pubic lice, or the infection of pubic hair by the louse parasite that feeds on human blood. The main symptom is itching. ...Read more


Dr. Richard Rissmiller
332 Doctors shared insights

Pediculosis (Definition)

Refers to infestation with lice. Pediculosis can include head lice, body ...Read more