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Seborrhoeic Dermatitis
Seborrhoea comes from the word sebum, which is the natural
oil produced in the sebaceous glands that flow into the hair
follicle. Seborrhoeic dermatitis has been called a more
extensive and severe form of dandruff because there is no
clear division between the two.
Flaking, redness and itching are more severe and can appear
on the scalp, in the eyebrows, around the nose and on the
cheeks, behind the ears and even on the chest and around the
groin. It may interfere with the nutrition of the hair,
resulting in partial baldness.
Some cases of dandruff are caused by the disease. Sebum may
also accumulate in the ducts of the glands, causing the
glands to become distended with undischarged sebum, and form
a small hard body called a whitehead, or comedo. When the
sebum in the mouth of the duct becomes oxidized, the comedo
is known as a blackhead.
Dermatitis seborrhoeic like dandruff tends to have seasonal
differences and usually gets better in the summer and worse
in winter.
The treatment for seborrhoeic dermatitis is similar to
dandruff, although a shampoo of coal tar seems to have a
better effect on the scalp. If the problem is very severe
you should seek advice from the doctor as a course on
steroid's may be required to clear it up.
Seborrhoeic appears to be heredity, if some relative has it
the chances are that is what you may have.
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