What is the correct diagnosis method for rosacea?

The correct method for diagnosing rosacea is primarily through clinical diagnosis based on symptoms. Rosacea is a chronic skin condition characterized by facial redness, flushing, visible blood vessels, and, in some cases, acne-like bumps or lesions. Healthcare providers typically recognize these symptoms and signs during a physical examination without the need for laboratory tests or imaging studies.

Clinical diagnosis effectively allows healthcare practitioners to assess the patient's medical history and observe the characteristic facial symptoms associated with rosacea. Since the condition is mainly diagnosed based on its clinical features, referring to blood tests, skin biopsies, or X-rays is unnecessary and unlikely to yield additional valuable diagnostic information. These other diagnostic tools are reserved for conditions that require differential diagnosis to rule out other diseases or complications.