Acne rosacea is a chronic skin eruption with flushing and dilation of small blood vessels in the face, especially nose and cheeks. Redness on the lower half of nose, sometimes whole nose, forehead, cheeks, chin is characteristic.
There is no proven cause.
Possibilities include: Thyroid and gonadal disturbance; Alcohol, coffee, tea, spiced food overindulgence (unproven); Demodex follicular parasite (suspected); Exposure to cold, heat, or hot drinks; Emotional stress; Dysfunction of the gastrointestinal tract
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