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Doctor insights on: How To Know If You Have Lice Or Dandruff When You Itch

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How to know if you have lice or dandruff when you itch?

How to know if you have lice or dandruff when you itch?

Headlice or Dandruff: Dandruff are flaky, itchy scalp lesion called seborrheic dermatitis treated with Nizoral or other tar shampoo and scalp will clear up. Head lice is also itchy scalp with nits seen attached to hair strands mostly in the neck area. Pull out each nits after shampoo with kwell (lindane) or Ovide to avoid transmission of lice. ...Read more

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Body Lice (Definition)

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


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My son continuously itches his hair and head especially when he sweats. He has no lice and no dandruff . What might be causing it ?

My son continuously itches his hair and head especially when he sweats. He has no lice and no dandruff . What might be causing it ?

Possible Fungus: Of the 5 common causes for itchy scalp (Seborrhea (dandruf), Psoriasis (inflammation), Fungus (ring worm), Head Lice, and Allergy), Fungal seems most likely. Try using an Anti-fungal shampoo or scalp cream. The pharmacist should be able to point out one that is safe for your son's age. Follow the directions on the shampoo. If this does not help, you should have his scalp examined. Hope this helps! ...Read more

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What does it mean when your head itches and you don't have lice/dry scalp or dandruff?

Itch: Itching scalp could be due to all the causes you listed, but it also could be due to a fungal infection. The type of shampoo you use can also cause this so i recommend switching to a hypoallergenic product if you haven't already. Also stress can sometime result in somatic symptoms such as itchiness, see your doctor soon to find the cause and get relief. ...Read more

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Smelly hair, itches, no flakes, no scales, no dandruff, no lice. Using neutrogena t/gel shampoo and conditioner. No relief. What is it?

Smelly hair, itches, no flakes, no scales, no dandruff, no lice. Using neutrogena t/gel shampoo and conditioner. No relief. What is it?

Smelly Hair: Basically, unpleasant odor in hair arises due to microbial growth on oily scalp. Factors like poor personal hygiene, excessive sweating, strenuous physical activity, overactive sebaceous glands on scalp, exposure to chemicals and environmental pollution, cigarette smoking etc contribute in causing smelly hair. ...Read more

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Please explain, other than, lice and dandruff, what can cause constant itching?

Please explain, other than, lice and dandruff, what can cause constant itching?

Many things: poison ivy and scabies are just two examples of conditions causing severe itching. there are many other things you can come in contact with that will cause itching. ...Read more

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I've been noticing dandruff in my hair with some itching can it possibly be lice?

I've been noticing dandruff in my hair with some itching can it possibly be lice?

Itching can be lice: It is sometimes to see lice but they lay eggs at the hairline & they are visable as white pearl like blebs the size of a pin head. Hair grows about 1/2 inch/mo so distance away from the hair base tells you how long they have been there.If only dandruff & no nits you could be dealing with a scalp fungus. ...Read more

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How would get rid of a itching scalp but it's not lice or dandruff ?

How would get rid of a itching scalp but it's not lice or dandruff ?

? Dry scalp: Try massaging scalp and hair with Cocconut oil. Let it stand overnight and wash the hair next day. And do not wash hair every day. Maximum 3/week. Hopefully tho will help. ...Read more

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Hi there Dr. Matthew! I've been experiencing scalp itching for months now, and I've been using lice shampoo and dandruff treatments for a while.. But nothing seems to be working!

Hi there Dr. Matthew! I've been experiencing scalp itching for months now, and I've been using lice shampoo and dandruff treatments for a while.. But nothing seems to be working!

See answer: Best wld be to see a dermatologist who can examine you and be able to give u proper treatment. If u still want to try a home remedy use white vinegar daily on ur scalp and have head bath after 10-15 minutes. It helps to put organic coconut oil on the scalp for 15 minutes prior to putting the vinegar. ...Read more

Dr. Richard Rissmiller
323 doctors shared insights

Pediculosis (Definition)

Pediculosis is a condition in which a person has lice, a blood-feeding insect, on his or her body. Lice may be present in the head, body, or pubic area, and can be spread by contact between people. Itching ...Read more


Dandruff (Definition)

Dandruff is when dead skin cells from the scalp shed. As skin cells die a small amount of flaking is normal. Some people experience an unusually large amount of flaking either chronically or as a ...Read more