Diagnosis: Airborne contact dermatitis (Compositae)
A 32-year-old female florist presents with bilateral eyelid eczema persisting for several weeks. Despite using topical corticosteroids, her symptoms have not improved, raising suspicion for an airborne allergic reaction related to her occupation. Detailed examination and history reveal significant exposure to Compositae plants, prompting further investigation into her dermatitis.
A 32-year-old female florist presents with a 6-week history of bilateral eyelid eczema, characterized by **erythema, scaling**, and **pruritus**. The patient reports that the symptoms have persisted despite the application of topical corticosteroids. On examination, there is notable **swelling** and **crusting** along the eyelid margins.Bilateral involvement: Both eyelids are affected, with a more pronounced rash on the right.Exudative lesions: Presence of serous crusting and weeping.Periorbital edema: Marked swelling surrounding the eyes.Distribution: Lesions confined to the eyelids and periorbital area.History of exposure: Frequent handling of floral arrangements and exposure to a variety of plants.
The patient reports the onset of symptoms approximately 6 weeks prior, coinciding with increased work hours leading up to a local flower festival. She notes that the rash began after prolonged exposure to mixed floral arrangements containing various plants. Previous treatments with topical corticosteroids provided minimal relief. There is no significant past medical or family history of atopy. Social history includes daily exposure to flowers, with notable handling of **Compositae** plants such as daisies and chrysanthemums.Onset: Symptoms began 6 weeks ago after increased work exposure.Triggers: Prolonged contact with floral materials, specifically Compositae plants.Treatment history: Topical corticosteroids (hydrocortisone 1%) used with limited success.Social history: Occupation as a florist with daily exposure to various plants.Family history: No known history of allergic conditions.
Acute / First-Line ManagementDiscontinue exposure to known allergens, particularly Compositae plants.Topical corticosteroids: Prescribe a medium to high-potency corticosteroid (e.g., betamethasone dipropionate ointment) applied twice daily for 1-2 weeks.Consider oral antihistamines (e.g., cetirizine 10 mg daily) for symptomatic relief of pruritus.Workup and Diagnostic ConfirmationPatch testing may be warranted to confirm sensitivity to Compositae or other allergens if symptoms persist.Consider consultation with an allergist for further evaluation and management if needed.Long-Term ManagementEducate the patient on avoidance strategies for allergens, particularly in her work environment.Regular follow-up every 4-6 weeks to monitor symptoms and adjust treatment as necessary.Consider maintenance therapy with lower-potency topical corticosteroids if flare-ups occur.Referral to an allergist for immunotherapy may be considered in persistent cases.
Atopic Dermatitis: Typically presents with a history of atopy, often with a chronic relapsing course. Involvement of flexural areas is common, and eyelid involvement can occur but is less common in adults.Contact Dermatitis: Localized reactions may occur from direct contact with allergens or irritants, but airborne contact dermatitis is more consistent with this case due to occupational exposure.Seborrheic Dermatitis: Characterized by greasy scales and erythema, usually involves the scalp and face rather than isolated eyelids.Psoriasis: Presents with well-defined plaques and silvery scales, typically not restricted to eyelid areas and often involves other body areas.Herpes Simplex Virus (HSV) Keratitis: Would typically present with pain, photophobia, and possible visual impairment, along with vesicular lesions.Stasis Dermatitis: Typically occurs in lower extremities due to venous insufficiency and is less likely in a young, healthy florist.Folliculitis: Inflammation of hair follicles that may involve the periorbital area but usually presents with pustules rather than eczema.Drug Eruption: Would require a history of new medication exposure, which is absent in this case.
High-Yield PearlsAirborne Allergens: Exposure to airborne allergens can lead to contact dermatitis, particularly in occupations involving handling of plants.Compositae Sensitivity: Compositae plants, including daisies and chrysanthemums, are common triggers for allergic contact dermatitis.Patch Testing: Essential for confirming specific allergen sensitivities, especially when dermatitis does not respond to standard treatments.Topical Corticosteroids: High-potency topical corticosteroids are effective for managing acute flares but should be used cautiously to avoid skin atrophy.Patient Education: Educating patients on avoidance of allergens is critical in preventing recurrence of dermatitis.Understanding the role of airborne allergens in occupational dermatitis is essential for effective management and prevention.
Tags: airborne contact dermatitis, Compositae