Overview
Fungal dermatitis of the eyelid, also known as fungal blepharitis, is an inflammatory condition caused by dermatophyte or non-dermatophyte fungi affecting the eyelid margins. It often presents with symptoms such as itching, redness, scaling, and crusting around the eyelashes 1.Diagnosis
Clinical Presentation: Itching, redness, scaling, and crusting around the eyelashes.
Patch Testing: Useful for ruling out allergic contact dermatitis (ACD) but not specific for fungal etiology. Common allergens include Balsam of Peru, cinnamic alcohol, fragrance mixes, gold, methylisothiazolinone, nail care products, neomycin, nickel, and personal care products 1.
Microbiological Confirmation: Cultures or KOH wet mounts are essential for identifying fungal pathogens 1.Management
Antifungal Therapy: Topical antifungals such as natamycin 0.5% ophthalmic suspension or nystatin ointment are first-line treatments 1.
Oral Antifungals: Consider for severe or refractory cases; examples include terbinafine or fluconazole 1.
Hygiene Measures: Regular cleaning of eyelids with dilute baby shampoo or antifungal shampoos can be adjunctive 1.
Avoidance of Irritants: Minimize exposure to potential allergens and irritants identified through patch testing 1.Special Populations
Pediatrics: Specific dosing adjustments may be necessary; consult pediatric-specific guidelines 1.
Elderly: Increased susceptibility to complications; careful monitoring and adherence to treatment are crucial 1.
Comorbidities: Patients with atopic dermatitis or other skin conditions may require tailored management strategies 1.Key Recommendations
Perform Patch Testing to identify potential allergens in patients with suspected allergic contact dermatitis, aiding in differential diagnosis 1 (Evidence: Moderate).
Use Microbiological Tests for definitive diagnosis of fungal eyelid dermatitis 1 (Evidence: Moderate).
Initiate Topical Antifungal Therapy as first-line treatment for confirmed fungal eyelid dermatitis 1 (Evidence: Moderate).References
1 Dagi Glass LR, Aakalu VK, Foster JA, Grob SR, McCulley TJ, Tao J et al.. Patch Testing for Eyelid Dermatitis: A Report by the American Academy of Ophthalmology. Ophthalmology 2025. link