“Rosacea is a long-term skin condition that typically affects the face. It results in redness, pimples, swelling, and small and superficial dilated blood vessels. Often the nose, cheeks, forehead, and chin are most involved. A red enlarged nose may occur in severe disease, a condition known as rhinophyma.
The cause of rosacea is unknown. Risk factors are believed to include a family history of the condition. Factors that may potentially worsen the condition include heat, exercise, sunlight, cold, spicy food, alcohol, menopause, psychological stress, or steroid cream on the face.”
The incidence of the disease is estimated at between 0.5 and 10% (note margin of error). A variety of factors can trigger outbreaks.
See Pharmacy and Therapeutics journal, (34)1.
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