Causes:

• Hereditary: This condition usually has a positive family history
• Immune system: One’s immune system reacts to a certain bacteria  in a specific manner. This reaction may lead to rosacea. 
• Pylori infection: This bacterial infection of intestines may be a cause which is mostly seen in patients with rosacea
• Mites: Some people with rosacea have a mite called ‘demodex’ living on the surface of the skin can be a possible reason for this condition.
• A normal protein which protect the skin called ‘cathelicidin’ may cause redness and swelling.

Clinical Features:

• Blushing or flushing can be seen on the face especially on the cheeks, nose, chin and forehead.
• Tiny blood vessels can be seen visibly seen on the skin.
• Constant redness on the face.
• Small, red bumps on the face that may be filled with pus 
• Stinging or burning sensation on the face with oversensitive skin.
• Dry flaky skin may be seen which would be intolerable to skin products like sunscreen, lotions, etc.
• Irritation with swelling of nose and blood shot eyes may or may not be seen.

Treatments:

• Avoid the trigger factors-Common trigger factors include alcohol, spicy food, cosmetic products, certain fruits or vegetables, weather, exercise or medications.
• Avoid rubbing of the face or applying of any kind of cosmetics.
• Use a mild or gentle skin care regime.
• Topical antibiotic creams, gels, lotions and oral medications are recommended to reduce the redness, swelling and bumps on the face.
• Eye drops can relieve eye symptoms.
• Laser treatment including intense pulse light is given for visible blood vessels and redness.