Angular stomatitis (also called angular cheilitis) affects the corners of the mouth. It’s usually mild but can sometimes signal an underlying issue.
Here are 5 common symptoms, followed by guidance on when to worry and when to see a doctor.
Cracks or splits at the mouth corners: Small fissures that may reopen when you talk, eat, or yawn.
Redness and inflammation: The skin at one or both corners looks irritated, swollen, or raw.
Pain or burning sensation: Often worsens with acidic, salty, or spicy foods.
Crusting, oozing, or scabbing: In some cases, yellowish crusts or mild discharge can appear, especially if infection is present.
Dryness or peeling skin: The area may feel tight, flaky, or itchy as it heals or worsens.
Angular stomatitis is often mild and temporary, commonly caused by:
Many cases improve within 1–2 weeks with good hygiene, moisturizing barrier creams (like petroleum jelly), and avoiding irritants.
You should pay closer attention if:
These can suggest infection or an underlying medical issue.
See a healthcare professional if:
A doctor can determine the cause and prescribe targeted treatment (antifungal, antibacterial, or anti-inflammatory medication).
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