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Facts about the skin from DermNet New Zealand Trust. Topic index: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z



Angular cheilitis

What is angular cheilitis?

Angular cheilitis is a common inflammatory condition affecting the corners of the mouth or oral commissures. Depending on underlying causes, it may last a few days or persist indefinitely. It is also called angular stomatitis and cheilosis.

Angular cheilitis Angular cheilitis Angular cheilitis
Angular cheilitis

More images of angular cheilitis.

What causes angular cheilitis?

Angular cheilitis is due to one or more of the following factors:

Who is prone to angular cheilitis?

Angular cheilitis is common and affects children and adults, especially when they are in poor health. Predisposing factors include:

It is made worse by licking the lips.

Clinical features

Angular cheilitis may result in the following symptoms and signs at the corners of the mouth:

It may progress to more widespread impetigo or candidal skin infection on the adjacent skin and elsewhere.

Investigations

Culture of swabs taken from the corners of the mouth may reveal:

Skin biopsy is not usually necessary.

Treatment

In many cases, no treatment is needed and angular cheilitis resolves by itself. Depending on the specific cause, the following treatments may be useful:

Related information

References:

On DermNet NZ:

Other websites:

Books about skin diseases:

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Author: Dr Amanda Oakley, Dermatologist, Hamilton, New Zealand.

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If you have any concerns with your skin or its treatment, see a dermatologist for advice.