Cheilitis
More common causes
Zinc deficiency
Iron deficiency
Vitamin B12 deficiency
Contact dermatitis
Human immunodeficiency virus infection
Xerostomia
Pellagra
Vitamin B2 deficiency
Oral candidiasis
Diabetes mellitus
Anorexia nervosa
Herpes labialis
Crohn's disease
Less common causes
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Uncommon causes
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Pharmacological causes
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