None: Rosacea is usually a visual diagnosis, and diagnosed based on appearance. In rare cases a blood test (ANA) may be done to be sure it is not lupus (which can sometimes look like rosacea) or a skin biopsy can be done.
Answered 6/10/2014
5.8k views
Rosacea: Rosacea (ro-za-she-uh) is a chronic, inflammatory skin condition that affects adults. It causes redness in your face and produces small, red, pus-filled bumps or pustules.
Answered 1/4/2013
5.8k views
3 doctors weighed in across 2 answers
2 doctors weighed in across 2 answers
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