Lupus Warning Signs: How to Recognize This Elusive Autoimmune Disease
Mouth and Nose Ulcers
Painless ulcers inside the mouth or nose are a lesser-known lupus symptom. While easy to overlook, their frequent recurrence can be a telltale sign.

If you regularly develop small, whitish sores in your mouth or irritated spots in your nose—especially if they appear alongside other symptoms—it could be lupus-related.