Signs and symptoms of rosacea
Rosacea typically manifests in a variety of symptoms, which can vary from person to person. Common signs include:
- Facial Redness: Persistent redness in the central part of the face, resembling a blush or sunburn is a hallmark of rosacea.
- Visible Blood Vessels: Small blood vessels on the nose and cheeks often become visible.
- Bumps and Pimples: Acne-like breakouts can occur, which may be mistaken for acne.
- Eye Irritation: In some cases, rosacea can affect the eyes, leading to dryness, irritation, and swollen eyelids—a condition known as ocular rosacea.
- Thickened Skin: Over time, rosacea can cause the skin to thicken and enlarge, particularly on the nose, a condition known as rhinophyma.
causes of rosacea
The exact cause of rosacea is not well understood, but it is believed to result from a combination of genetic and environmental factors. People with a family history of rosacea are more likely to develop the condition, suggesting a genetic predisposition. Other contributing factors may include:
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Abnormalities in Facial Blood Vessels: Dysfunction in blood vessels can lead to the characteristic redness and visible blood vessels associated with rosacea.
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Immune System Response: Some research suggests that an overactive immune system response may play a role in rosacea, particularly in the form of inflammation.
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Microorganisms: A bacterium called Helicobacter pylori, commonly found in the gut, has been linked to rosacea. Additionally, the presence of the Demodex mite, which lives on the skin, is often higher in individuals with rosacea.
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Environmental Triggers: Exposure to certain environmental factors such as sunlight, extreme temperatures and wind can exacerbate rosacea symptoms.