Flushing, visible vessels, and calming reactive skin.
Gritty, burning, recurrently styed eyes get filed under screens and allergies. In a large share of people with rosacea they are the same disease as the redness — and the only part of it with a cornea at stake.
Public rosacea advice ends at azelaic acid and trigger avoidance, which leaves everyone it didn't work for with nowhere to go. The second line is well mapped — it just forks by phenotype.
Flushing, seborrheic dermatitis, contact allergy, and a handful of systemic conditions all wear rosacea's costume. Telling them apart is the difference between treatment that works and treatment that doesn't.
Sun, wine, stress, a hot shower — the famous rosacea triggers are real, but the map that matters is the one you draw yourself. Here's how to draw it.