Medical Dermatology

Rosacea

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Rosacea

Rosacea is a common rash, usually occurring on the face, which predominantly affects both middle-aged (age range 40 to 60 years old) and fair-skinned people.

It is more common in women, but tends to be more severe in men.

It is a chronic condition and, in any individual, the severity tends to come and go. Rosacea tends to affect the cheeks, forehead, chin and nose, and is characterised by redness, dilated blood vessels, small red bumps and pus-filled spots (sometimes these may only be visible with a magnifying glass), often with a tendency to blush easily. There may also be uncomfortable inflammation of the eyes and eyelid.

What causes rosacea?
The cause of rosacea is unknown, but underlying trigger factors cause both inflammation and an undue readiness of the blood vessels in the skin of the face to dilate. The theory that rosacea is due to bacteria in the skin or gut has not been proven, however antibiotics have proven efficacious. It is not contagious.
There are a variety of trigger factors which may make rosacea worse, but which probably do not cause it in the first place; these include alcohol, exercise, high and low temperatures, hot drinks, spicy foods and stress. Rosacea can be worsened by natural sunlight.

Is rosacea hereditary?
Rosacea does seem to run in some families, but there is no clear genetic link.

What are the symptoms of rosacea?
The rash and the flushing associated with rosacea are cosmetic issues and can lead to embarrassment, lowered self-esteem and self-confidence, anxiety and even depression. Furthermore, the skin of the face is often sensitive, and the affected area can feel very hot or sting.Some people with rosacea have eye symptoms (which include red, itchy, sore eyes and eyelids, a gritty feeling and sensitivity to light). A few patients with rosacea may develop more serious eye problems, such as painful inflammation involving the clear front part of the eye (rosacea keratitis), which may interfere and cause blurred vision. Be sure to consult your doctor if you have problems with your eyes.

What does rosacea look like?
Rosacea usually starts with a tendency to blush and flush easily. After a while, the central areas of the face become a permanent deeper shade of red, with small dilated blood vessels studded with small red bumps and pus-filled spots, which come and go in crops. Scarring is seldom a problem.
Occasionally, there may be some swelling of the face especially around the eyes. Very occasionally, an overgrowth of the oil-secreting glands may cause the nose to become enlarged, bulbous and red (rhinophyma), which is more common in men than women.

How will rosacea be diagnosed?

  • Rosacea can be diagnosed by its appearance; there are no diagnostic laboratory tests.
Self Care
  • Protect your skin from the sun by using a sun block (with a sun protection factor of at least 30) on your face every day.
  • Do not rub or scrub your face as this can make rosacea worse.
  • Do not use perfumed soap as this can make rosacea worse.
  • Use a soap substitute (emollient) to cleanse your face.
  • Use an unperfumed moisturiser on a regular basis if your skin is dry or sensitive.
  • Consider the lifestyle factors that can worsen rosacea (listed above). Learn which upset your rosacea and avoid them; a written record of your flare-ups may help.
  • Cosmetics can often cover up rosacea effectively; skin camouflage will help hide excessive redness.
  • Unless they are specifically recommended to you by your doctor it may be best to avoid some treatments for acne, as they can irritate skin that is prone to rosacea.
  • Do not use topical preparations containing corticosteroids, unless specifically recommended by your doctor, as these may make rosacea worse in the long run.
  • If your eyes are giving problems, do not ignore them - consult your doctor.
  • Some drugs can aggravate blushing, and your doctor may make appropriate changes to your medication.

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