Seborrhoeic Dermatitis

treat seborrhoeic dermatitis

Seborrhoeic dermatitis is a common, scaling rash that can sometimes itches. Dandruff (also called pityriasis capitis) is seborrhoeic dermatitis of the scalp. Seborrhoeic dermatitis may also occur on the eyebrows, eye lid edges, ears, the skin near the nose and skin-folds of the armpits and groin. Sometimes seborrhoeic dermatitis produces round, scaling patches on the middle of the chest or on the back.


Cause of seborrhoeic dermatitis:

Seborrhoeic Dermatitis is believed to be due to a proliferation of a normal skin inhabitant, a yeast called Pityrosporum ovale (Malassezia furfur). Patients with seborrhoeic dermatitis appear to have a reduced resistance to the yeast due to various factors including stress, fatigue, change of the seasons and reduced general health.

It is not contagious or related to diet. Nervous stress and any physical illness tend to make seborrhoeic dermatitis worse but they do not cause it.

Seborrhoeic dermatitis may appear at any age (usually after puberty), either gradually or suddenly. Seborrhoeic Dermatitis may last for years but usually disappears by itself. Often it gets better or worse without any apparent reason.


Treatment of seborrhoeic dermatitis:

There is no cure for Seborrhoeic Dermatitis. However, it can be kept under control. The treatment of Seborrhoeic Dermatitis depends on which part of the body is involved. Treatment will need to be repeated from time to time.

Scalp

  • Medicated shampoos containing ketoconazole, selenium disulphide, zinc pyrithione, coal tar, and salicylic acid, used twice weekly for at least a month.
  • Steroid scalp applications available on prescription, used intermittently.
  • Tar creams applied several hours before shampooing.

Face, ears, chest & back

  • Ketoconazole cream once daily for 2 to 4 weeks.
  • Hydrocortisone cream up to twice daily for 1 or 2 weeks.

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