Modern methods of treating glossitis

Glossitis is a collective term for inflammatory changes of the tongue, characterized by pain, burning, taste changes, swelling, and a coating or "varnished" surface. It is not a single diagnosis, but a whole group of conditions with different causes and different treatments. The most common causes include: fungal infection of the genus Candida (candidal glossitis), iron, vitamin B12, and folate deficiencies (atrophic glossitis), contact allergy (reaction to toothpastes, flavorings, fillings, and denture materials), trauma and irritation, "median rhomboid glossitis," and migratory ("geographic") tongue. Important: it is not glossitis in general that is treated, but its cause. [1]

When to see a doctor urgently (red flags)

Seek urgent evaluation if: severe pain with inability to eat or drink, rapidly spreading plaque and sore throat (suspected pharyngeal/esophageal candidiasis), fever, exhaustion, severe dry mouth with cracks and bleeding, relapses that do not respond to standard treatment, significant weight loss or signs of anemia (weakness, shortness of breath), and immunosuppression. These situations require extensive diagnostic workup and often systemic therapy. [2]

Diagnosis: What does a doctor do?

1. Collection of complaints and examination: where exactly does it hurt, is there plaque (can it be removed with a spatula), how long has it been there, what causes it (sour, spicy), are there dentures/braces, have antibiotics been taken recently or inhaled steroids prescribed, are there any symptoms of deficiencies. [3]
2. Basic tests as indicated: complete blood count, ferritin, vitamin B12 and folates for a "varnished" tongue and burning sensation; screening for diabetes mellitus in case of dry mouth and relapses; if candidiasis is suspected - scraping (KOH test) and culture in case of relapses or treatment failure. [4]
3. If a contact allergy is suspected (connection with paste, strips, chewing gum, new fillings/dentures) - referral for patch tests, elimination of the suspected allergen and monitoring of the dynamics. [5]

Treatment: general algorithm

Principles:

• Relieve pain and burning (symptomatic relief).
• Eliminate the provoking factor (infection, deficiency, allergen, injury, dryness).
• Prescribe targeted therapy based on the cause.
• Establish relapse prevention (hygiene, nutrition, care of dentures, medication adjustments).

Table 1. Quick algorithm for glossitis

Clinical picture	What is likely	The first steps of treatment
White "cheesy" plaques that can be removed with a spatula; or bright red, painful areas without plaque, especially after antibiotics/inhalers	Candidal glossitis	A local antifungal drug for mild cases; fluconazole for moderate to severe cases + correction of risk factors (rinsing after inhalation, hygiene of dentures, combating dryness). [6]
Smooth "varnished" tongue, burning, cracks in the corners of the lips, weakness	Atrophic glossitis due to deficiencies (B12, iron, folates)	Confirm deficiency and replace (parenteral B12, iron/folate), diet, control of cause of malabsorption. [7]
Burning/spotting after changing toothpaste, mouthwash, fillings/dentures; asymmetry, connection with a specific contact area	Contact (allergic/irritant) stomatitis	Remove/replace allergen, keep a food/remedy diary, patch tests as indicated; short course of topical steroid gel for symptoms. [8]
An oval "bald" area along the midline of the back of the tongue, often without complaints	Median rhomboid glossitis (associated with Candida )	Observation is often performed; if symptoms occur, a course of local/systemic antifungal medication is given; if ineffective, a biopsy is performed. [9]
Depapillation "islands" change shape and location, without plaque	Migrating ("geographical") language	Education, removal of irritants; in acute cases, local anesthetic/short course of topical steroid gel. [10]

Candidal glossitis: how to treat it

• Mild cases (oral cavity only, without systemic symptoms): Clotrimazole 10 mg dissolved in the mouth 5 times a day for 7-14 days or nystatin 100,000 IU/ml, 4-6 ml rinse-and-swallow 4 times a day for 7-14 days; a buccal tablet of myconazole 50 mg once a day for 7-14 days may be used. [11]
• Moderate-severe cases or risk factors: fluconazole 100-200 mg once daily for 7-14 days. If refractory, itraconazole solution or posaconazole according to a specialist's recommendations. It is essential to address the underlying causes: rinse your mouth after each inhalation, remove dentures at night, disinfect dentures daily (depending on the material), and combat dryness. [12]

Atrophic glossitis due to deficiencies: what to do

• Confirm deficiency. Most commonly, this is iron, vitamin B12, and/or folate; some patients have a combination. [13]
• Replenish. Vitamin B12 (parenterally for pernicious anemia), iron, and folate supplements should be administered as needed, and under laboratory monitoring. The tongue usually improves within weeks of correction. We look for the cause: nutrition, blood loss, or malabsorption. [14]

Contact (allergic/irritant) glossitis: how to approach

• Look for the trigger. Common culprits include fragrances (cinnamon), menthol, preservatives, and surfactants in toothpastes and rinses; metals and resins in restorations and dentures. [15]
• Tactics: Discontinue/replace the suspected product or material, perform patch tests if necessary, and apply a short course of topical steroid gel to relieve inflammation. If a metal allergy is confirmed, replace the restoration with a biocompatible one. [16]

Median rhomboid glossitis

Often, treatment is not required. If there is a burning sensation, pain, or aesthetic discomfort, topical or systemic antifungal medications are prescribed; if there is no response, a biopsy is considered. Recurrence is possible, so tongue hygiene and control of risk factors (smoking, dentures, dryness) are important. [17]

Symptomatic relief and supportive care

• Soft brushing and gentle tongue cleaning; warm salt rinses to reduce discomfort.
• Avoid spicy, sour, very hot foods; drink enough water.
• For dry mouth: drink water in small sips, chew gum/xylitol lozenges, discuss medications that reduce salivation.
• When using inhaled steroids, always rinse your mouth after each dose; when wearing removable dentures, remove them at night and disinfect them daily as recommended by your doctor. [18]

Table 2. Treatment of glossitis: “what exactly is prescribed” (for discussion with a doctor)

Cause	First line	Alternatives/Supplements
Candidiasis	Clotrimazole or nystatin topically for 7-14 days; in severe cases - fluconazole 100-200 mg/day for 7-14 days	Itraconazole solution, posaconazole in refractory cases; correction of risk factors. [19]
Deficiencies (B12/Fe/folates)	Replacement of specific deficiency (often parenteral B12, iron/folate)	Finding and treating the cause of the deficiency. [20]
Contact allergy	Eliminate the allergen, patch tests; short course of topical steroid	Replacement of materials/products, training on labels (without cinnamon/flavorings). [21]
Median rhomboid	Frequently observed; if symptoms occur, local/systemic antifungal	Biopsy if no response.[22]
Migrating language	Avoid irritants; if painful, apply a local anesthetic/steroid gel for a short period of time	Education, stress management; usually without medication. [23]

Table 3. Care of dentures in case of glossitis and candidiasis

Step	How to perform	For what
Night removal	Remove dentures at night	Reducing the load of Candida biofilm on the mucosa. [24]
Daily cleaning	Mechanical cleaning with a brush, then chemical disinfection (solutions compatible with the material)	Reduction of colonization by fungi and bacteria. [25]
Fitting	Check the fit and eliminate chafing	Less trauma and inflammation, lower risk of recurrence. [26]

Frequently asked questions

• Is it possible to cure glossitis with only gargling?

No. Rinsing relieves pain, but the underlying cause—fungus, deficiency, allergen, or injury—must be addressed. Otherwise, relapses are inevitable. [27]

• If geographic tongue is glossitis, are antibiotics/antifungals needed?

No, it is not an infection. Avoiding irritants and briefly using topical pain/inflammation medications during flare-ups is usually sufficient. [28]

• How do I know if I have an allergic variant?

Often associated with changes in toothpaste/rinse, whitening strips, chewing gum (especially cinnamon), and new fillings/dentures; lesions may be asymmetrical and correspond to the contact area. Discontinuing the suspected product and patch testing are helpful. [29]

• How long will it take?

With proper targeted treatment, symptoms of candidiasis and contact reactions subside within a few days; with deficiencies, improvement occurs after the start of replenishment and takes weeks. It is important to adhere to the prevention plan to prevent relapse. [30]

Result

Treatment of glossitis always begins with identifying the cause. Candidiasis is treated with topical and systemic antifungal agents, along with eliminating risk factors. For a "varnished" tongue, look for and replenish deficiencies of B12, iron, and folate. For contact reactions, the key is removing the allergen and briefly suppressing the inflammation. Oral hygiene, correcting dryness, and proper denture hygiene reduce the risk of relapse and speed recovery. [31]