Rosacea is a facial skin condition causing facial redness, irritation and dryness located primarily in the central portion of the face. The symptoms of rosacea may also extend to encompass the neck, ears or even the eyes. Psoriasis is a skin condition which can affect any part of the body caused by accelerated skin growth resulting in raised patches of rough, reddened skin. Because both conditions can appear on the face, ears and neck they can sometimes be confused with each other or even in some cases appear together.
Both psoriasis and rosacea are believed to be the result of an immune system malfunction.
With psoriasis the immune system malfunction causes the skin to go into a state of hyper-active growth. The natural process of shedding and regenerating skin becomes out of balance with accelerated skin growth but a normal rate of skin shedding causing the skin to build up in patches of roughened skin.
In rosacea the immune system detects an invasion of bacteria at the skin surface and rushes blood to the area to build up its defenses to protect against attack or infiltration of the protective barrier surface of skin which shields the internal organs of the body. The result of this process of blood rushing to the site results in areas of reddened skin which can feel warm to the touch and cause dryness at the site which in turn can cause a sensation of itchiness at the affected area.