Photos Of Lupus Mouth Sores May 2026

Oral health is often a window into systemic disease. For the estimated 1.5 million Americans living with lupus, the inside of the mouth can become a battleground. Mouth sores—medically known as oral ulcers or mucositis—are one of the four official diagnostic criteria for systemic lupus erythematosus (SLE). Yet, they are frequently mistaken for canker sores, herpes, or lichen planus.

Medically reviewed by a board-certified rheumatologist photos of lupus mouth sores