Rosacea
Rosacea is a skin disease, which is a common cause of red blotchy skin. Moreover, it is accompanied by other symptoms, like pimples on nose, cheeks, forehead, and chin. Coupling with the pimples, is itchiness and swelling of the eyelids. The blotched redness during rosacea may be fluctuating due to the expansion and contraction of the blood vessels.