Lee clinic dermatology | dermatologist cork | rosacea
Lee Clinic Dermatology Information Leaflet
What is rosacea?
Rosacea is a common rash, usually occurring on the face, which predominantly affects both middleaged
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.
Antibiotics are prescribed for their antinflammatory effect.
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 (lymphoedema), 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.
Can rosacea be cured?
No, but long-term treatments can be very effective.
How can rosacea be treated?
The inflammation that accompanies rosacea can be treated with preparations applied to the skin or taken
by mouth; however, these will not help the redness or blushing that may be associated with rosacea.
• The inflammatory element of mild to moderate rosacea may be controlled with just a topical
preparation (one that is applied to the skin).
• Useful preparations include metronidazole and azelaic acid. They take time, at least 8 weeks, for
their effect to become evident.
These are helpful for the inflammatory element of moderate or severe rosacea. The most
commonly used antibiotics belong to the tetracycline group and include tetracycline,
oxytetracycline, doxycycline, lymecycline and minocycline. Erythromycin is another commonly
used antibiotic. The duration of an antibiotic course depends on your response. Your doctor may
suggest that you use a topical and oral treatment together.
◦ An eye specialist should manage the more severe types of eye involvement.
◦ A bulbous nose affected by rhinophyma can be reduced surgically.
◦ Unsightly redness and dilated blood vessels can be treated with lasers and other light
◦ A beta-blocker tablet or clonidine may help if blushing is a big problem.
◦ Isotretinoin tablets are occasionally given for very severe rosacea.
Self-Care (What can I do?)
◦ 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, and some rosacea patients may benefit
from the use of skin camouflage. This may help hide excessive redness. A health care
professional will be able to make a referral for you if necessary.
◦ 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
Lee Clinic Dermatology
Dr. William (Billy) O'Connor / Dr Gillian Gibson
Lee Clinic, Lee Road, Cork, Ireland
Tel :+353 21 4941566
Fax : +353 21 4865778.
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