When Kevin went for his school physical, he told the doctor that his biggest worry about going back to school was the dress code. This year the uniforms were dark blue, and Kevin hated wearing dark colors. He told his doctor that he got embarrassed because dandruff always showed up on his shoulders. When the doctor said that dandruff was treatable, Kevin was relieved.
The flaking accompanying dandruff is caused by something called seborrheic dermatitis (sometimes just called seborrhea). Dandruff flakes may be white or light yellow and will usually rub off a person's head easily.
Someone who has dandruff may notice his or her scalp feels crusty, red, and raw in the areas where seborrhea is getting worse. If this happens, seborrhea can cause the scalp to itch pretty badly. In very rare cases, seborrhea may cause hair loss if it isn't treated. But any lost hair should start to grow back once seborrhea is treated.
For some people, seborrheic dermatitis just causes a relatively mild case of dandruff — a bit of flaking and itching in the scalp. Other people with seborrheic dermatitis have crusty, red, irritated skin that may spread to different areas of the body. Common locations to find seborrhea include inside the ear, the armpits, and even the belly button.
Seborrheic dermatitis and dandruff aren't contagious. So you can't catch dandruff from (or give it to) another person.
If you're worried about dandruff, you're not alone. Dandruff can start in early adolescence as someone goes through puberty, and lots of teens and adults live with it.
Most of the time dandruff can be treated and controlled with over-the-counter dandruff shampoo. More severe dandruff may need prescription shampoo, steroid creams, or antifungal creams to help improve the skin irritation.
If you have seborrhea only on your scalp, you should be able to treat it just with dandruff shampoo. Four types of dandruff shampoo are available over the counter, and they work equally well:
If you have dandruff, you may need to use a dandruff shampoo every day at first. Once your dandruff has improved, it is OK to use your dandruff shampoo less often. Using dandruff shampoo once a week may be enough to keep dandruff flakes off your shoulders.
If one type of dandruff shampoo irritates or bothers your scalp, try a different one. You might need to experiment with a couple to figure out which one works best for you.
Most dandruff shampoos have little or no smell. But you can still smell like you by using your regular shampoo after rinsing the dandruff shampoo out. You also can use your usual conditioner after your dandruff shampoo.
If you have seborrhea in areas other than your scalp, or if shampoos alone are not controlling your dandruff, talk to your doctor about other treatments.
Your doctor will examine you and get your medical history in order to work out the best treatment for you. If your doctor decides you need medication, he or she may recommend:
Some people notice that, after treatment, areas of skin that had severe seborrhea may be lighter than the surrounding skin. This is more common in people with darker skin. Over time, this color difference will fade and the skin's color will return to normal.
Most people are able to control dandruff with shampoos. Some need to use these shampoos as often as twice a week; others can go a month between uses. Other people may need special prescription shampoo to keep dandruff away. It all depends on the person.
Dandruff can't be cured, but it can be kept under control. And, once it's under control, most people can't tell that someone has it. In fact, the only way someone might know you have dandruff is by looking at the shampoos in your shower.
Reviewed by: Jeremy Michel, MD
Date reviewed: March 2011
|American Academy of Dermatology Provides up-to-date information on the treatment and management of disorders of the skin, hair, and nails.|
|National Eczema Association This site contains information about eczema, dermatitis, and sensitive skin.|
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|A Guy's Guide to Body Image Many people think of guys as being carefree when it comes to appearance. But guys spend plenty of time in front of the mirror. And some worry just as much as girls do about their looks.|
|Tips for Taking Care of Your Skin Sometimes it may seem like your skin is impossible to manage, especially when you find a huge zit on your nose or a cold sore at the corner of your mouth. Here are ways to prevent and treat common skin problems.|
|Skin, Hair, and Nails Our skin protects the network of tissues, muscles, bones, nerves, blood vessels, and everything else inside our bodies. Hair and nails are actually modified types of skin.|
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