This article aims to provide a comprehensive overview of glossitis, including its causes, symptoms, diagnosis, treatment options, and prevention strategies. What is Glossitis? Glossitis is defined as the inflammation of the tongue , which can manifest in various ways, including swelling, color changes, and alterations in texture. Glossitis is an overarching term denoting inflammation of the tongue. The condition may present clinically as a painful tongue, as a change in the surface appearance of the tongue (changes in texture and or color), or both. Glossitis is an overarching term denoting inflammation of the tongue. The condition may present clinically as a painful tongue, as a change in the surface appearance of the tongue (changes in texture and or color), or both. Anatomy The tongue is a muscular organ in the oral cavity, which is essential for normal swallowing and speech. Glossitis is often caused by nutritional deficiencies and may be painless or cause discomfort. Glossitis usually responds well to treatment if the cause is identified and corrected.