What autoimmune disease causes angular cheilitis
What autoimmune disease causes angular cheilitis Autoimmune diseases are conditions in which the body’s immune system mistakenly attacks its own tissues, leading to a variety of symptoms and complications. One such manifestation that often puzzles both patients and healthcare providers is angular cheilitis, a condition characterized by inflammation, cracking, and soreness at the corners of the mouth. While angular cheilitis can have multiple causes, including fungal or bacterial infections, nutritional deficiencies, and environmental factors, certain autoimmune diseases are particularly associated with its development.
One autoimmune condition most notably linked to angular cheilitis is Sjögren’s syndrome. This chronic autoimmune disorder predominantly targets the moisture-producing glands, including salivary and lacrimal glands, resulting in dryness of the mouth and eyes. The persistent dryness in the oral cavity can lead to mucosal irritation and cracking at the corners of the mouth, creating an environment conducive to angular cheilitis. The reduced saliva flow not only causes discomfort but also diminishes the natural protective barrier of the oral mucosa, making the skin at the mouth’s corners more vulnerable to fissures and infections.
Another autoimmune disease associated with angular cheilitis is systemic lupus erythematosus (SLE). SLE is a complex condition that affects multiple organ systems and manifests with a wide range of symptoms, including skin lesions, joint pain, and fatigue. Oral manifestations are common in lupus, and the mucous membranes may become inflamed and fragile. The inflammation and immune-mediated tissue damage can extend to the corners of the mouth, leading to cracks and soreness. Additionally, SLE patients often experience secondary issues such as nutritional deficiencies or medication side effects, which can further contribute to angular cheilitis.
Celiac disease, an autoimmune condition triggered by gluten intolerance, can also be linked with angular cheilitis. Although primarily affecting the small intestine, celiac disease can cause malabsorption of nutrients such as iron, folate, and B vitamins. Deficiencies in these nutrients are well-known contributors to angular cheilitis. Moreover, the autoimmune response itself can lead to mucosal inflammation, which predisposes individuals to the development of oral lesions, including cracks at the mouth corners.

Another autoimmune disorder to consider is Crohn’s disease, which primarily affects the gastrointestinal tract but can have extraintestinal manifestations, including oral lesions. In Crohn’s, immune-mediated inflammation can involve the mucous membranes of the mouth, leading to ulcerations and fissures. These lesions may appear at the corners of the mouth, especially in active disease phases, contributing to angular cheilitis.
While these autoimmune diseases are associated with angular cheilitis, it is important to recognize that the condition often results from a combination of factors. For instance, immune-mediated dryness, nutritional deficiencies, and secondary infections can all play a role. Therefore, managing angular cheilitis in the context of autoimmune disease requires a comprehensive approach that addresses the underlying condition, corrects nutritional deficiencies, maintains good oral hygiene, and sometimes employs topical treatments to promote healing.
In conclusion, autoimmune diseases such as Sjögren’s syndrome, systemic lupus erythematosus, celiac disease, and Crohn’s disease are known to cause or exacerbate angular cheilitis. Recognizing these connections is crucial for clinicians to provide accurate diagnosis and effective treatment, ultimately improving patient comfort and quality of life.









