The cause of rosacea is unknown and there is currently no cure.
If you would like to learn more about rosacea and see images I would suggest visiting www.skinsight.com.
Here is the direct link to rosacea information: http://www.skinsight.com/adult/rosacea.htm
Although individual triggers vary, the following foods may aggravate rosacea: hot spices (pepper, paprika, and cayenne ), marinated meat, soy sauce, vanilla, vinegar, red plums, peas, lima and navy beans, sharp cheeses
It could be genetic or caused by the foods you eat.
Rosacea
Rosacea is a chronic skin condition that causes redness and swelling of the face that can also occur on the scalp, neck, ears, chest, and back. It has been argued that facial rosacea is a cutaneous vascular disorder; however, researchers have not found any evidence that a vascular dysfunction causes rosacea.
The cons of laser treatment for rosacea are that the treatment causes pain, bruising, and crusting of the skin. In rare cases, laser treatment for rosacea can also cause blisters and infection.
Rosacea commonly causes a "blushing" appearance.
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It has not been proven what causes Rosacea, but it is not contagious. It cannot be contracted through kissing, touching or even rubbing against an individual who has the condition.
rosacea
The scalp could be red from rosacea or an allergy to shampoo.
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Blushing, rosacea, or broken capillaries all some causes of redness.
rosacea is a constent thing , unlike alergies that come and go. rosacea is a hormone issue and is usully not caused by anything but sun and heat. Rosacea can look like allergies, but there is a fairly specific group of causes. Causes include heat, spicy food, alcohol, sexual excitement, exposure to cold air, exposure to dry air or windy weather on a bare face. Normally, Rosacea is seen as flushing on the cheeks, nose and/or chin. For me, I can sometimes get what looks like hives on my face that is caused by the rosacea -- I can usually tell it's rosacea because the red bumps are pusless. Since I seem to have facial "allergic dermatitis" as well, I'm not always certain what causes the hives. I do know that if I drink alcohol, I usually get flushed and sometimes very hot in my face -- that is rosacea, not an allergy. Consult a dermatologist, I use a topical antibiotic called Metrogel that usually will alleviate the rosacea symptoms. I also use another topical cream for the allergies.
Rosacea is not contagious. It is it is more common in women and in fair-skinned individuals. If you want to learn more about rosacea and see images of the skin condition you should visit: http://www.skinsight.com/adult/rosacea.htm In addition to the above...Although rosacea is more common in women, it is certainly more severe in men. Take a look at http://www.acnerosacea.co.uk to learn more.