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Doctor insights on: What Causes Dandruf

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If no fungus or bacteria infection, what may cause dandruf? Can allergies cause dry skin?

If no fungus or bacteria infection, what may cause dandruf? Can allergies cause dry skin?

Dandruff: You are asking two questions. Dandruff can be caused by dry skin, but it can be caused by other conditions like psoriasis. And yes, allergies can cause dry skin. ...Read more

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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


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What is dandruff caused by?

What is dandruff caused by?

Depends: Dandruff is flaking of the scalp. It can be simple shedding of skin. Can be due to sun burn. Can be due to infection, inflammation or other acute causes. Mostly, however, it is due to seborrheic dermatitis. This is an inflammation of the skin often due to a low grade fungal infection or a reaction to oils in the scalp. Best treated with tar shampoos or antifungal shampoos. Maybe topicals. ...Read more

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What causes chronic dandruff in a guy?

What causes chronic dandruff in a guy?

Could be Fungal: Chronic itching and flaking in the scalp can be many things from just bad dandruff, to a fungal infection called tinea capitis, to scalp psoriasis and more. If otc anti-dandruff shampoo is not helping, i would see a dermatologist. ...Read more

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What causes dandruff? How can I treat it?

Yeast: Dandruff is seborrhiec dermatitis in the scalp. This is due to an overgrowth of yeast named pityrosporum ovale. Some make sebum (oils) especially preferential for them to grow. If your immune system reacts to it, your skin becomes inflamed red and flaky, thus the dandruff. Start by using head and shoulder, nizoral, (ketoconazole) neutrogena tgel or tsal shampoo, lather and leave in for 5-10min before rinsing. ...Read more

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I've always had dandruff, but lately it's been getting worse and what used to help no longer is. What could cause it to get worse so quickly?

I've always had dandruff, but lately it's been getting worse and what used to help no longer is. What could cause it to get worse so quickly?

Seborrheic dermatiti: is a common skin condition that causes scaly patches, red skin and stubborn dandruff. Flare ups can occur for not apparent reason, resulting in worsening of dandruff. Seborrheic dermatitis doesn't affect your overall health, but can be uncomfortable and cause embarrassment. It isn't contagious, and it's not a sign of poor personal hygiene. Nizoral (ketoconazole) shampoo is usually very helpful. ...Read more

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Does a fungus cause dandruff?

Does a fungus cause dandruff?

Maybe!: Several fungal species have been linked to dandruff in a number of scientific studies. Of note is the fact that zn, tar, selenium, and Nizoral (ketoconazole) (an anti-fungal drug), all have anti-fungal properties. Re ipso loquitor! the results speak for themselves! ...Read more

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What is psoriasis? Does it cause dandruff?

See details: Psoriasis is an autoimmune disease that causes red, scaly plaques in the skin. If if involves the scalp, it can cause flaking that can look like dandruff. ...Read more