In this episode of MD Newsline, Kendra Joseph, PA-C, a dermatology physician assistant with over ten years of clinical experience in New York City, breaks down the complexities of managing atopic dermatitis (AD) and the broader eczema umbrella. She clarifies the differences between atopic dermatitis and related conditions like seborrheic dermatitis and contact dermatitis. Joseph addresses the clinical nuances of diagnosing AD across diverse patient populations, focusing on non-classical presentations in skin of color—such as violaceous or hyperpigmented lesions—and the psychological toll of chronic pruritus. The discussion covers practical management strategies for scalp eczema, contrasting over-the-counter oil use with targeted prescription vehicles matched to specific hair textures and styling routines. Finally, she examines the shift from broad topical corticosteroids to targeted topical JAK inhibitors, calcineurin inhibitors, oral JAK inhibitors, and biologics, highlighting the importance of collaborative care, mental health support, and emerging precision medicine. Episode Highlights Demystifying the Eczema Umbrella and Clinical Presentations Kendra Joseph, PA-C, clarifies that eczema serves as an umbrella term covering various inflammatory skin conditions. Atopic dermatitis represents the most common variant, classically presenting on flexural surfaces such as the back of the knees, antecubital fossa, and neck. It frequently co-occurs alongside asthma and seasonal allergies as part of the atopic triad. In clinical practice, key diagnostic features include lesion distribution, recurrence in identical locations, seasonal flare cycles, and generalized itching. Joseph notes that while AD is often mischaracterized as purely a childhood disease, many adult patients present with new-onset atopic dermatitis. Navigating Diagnostic Nuances in Skin of Color and Scalp Care The conversation addresses diagnostic and therapeutic considerations for diverse skin types and hair textures. In darker skin types, AD lesions often present with violaceous (purplish) hues or post-inflammatory hyperpigmentation rather than classic erythema. On the scalp, AD must be differentiated from seborrheic dermatitis. Joseph cautions against applying heavy over-the-counter oils, as common yeast species on the scalp feed on these products and exacerbate inflammation. Instead, clinicians should match prescription vehicles—such as oil-based topicals or lightweight solutions—to a patient's specific hair-styling practices and texture. Addressing the Burden of Pruritus, Sleep Loss, and Secondary Infections Beyond visible skin lesions, pruritus imposes a severe physical and psychological burden, leading to sleep disruption, missed work, and social withdrawal. Chronic scratching leads to lichenification (thickened, leathery skin). Clinicians must remain vigilant for secondary superinfections, including impetiginized skin characterized by yellow, honey-colored crusting, as well as eczema herpeticum, which presents with painful blisters, fever, and systemic malaise. Skin Barrier Repair, Emollients, and Flare Trigger Management Optimal management requires pairing prescription therapies with rigorous, personalized skincare routines. Patients should utilize fragrance-free cleansers and thick emollients containing humectants, glycerin, hyaluronic acid, or ceramides immediately after short, lukewarm showers to restore skin barrier integrity. Trigger reduction—including identifying specific metal allergens like nickel in contact dermatitis—should be managed collaboratively to avoid unnecessary lifestyle restrictions. Therapeutic Escalation: Topicals, Biologics, JAK Inhibitors, and Phototherapy While topical corticosteroids remain a fast-acting option to extinguish acute flares, clinicians must address patient anxiety around steroid overuse or misuse. Non-steroidal topicals, including topical JAK inhibitors and topical calcineurin inhibitors, provide effective alternatives. When AD severely impacts quality of life or affects large body surface areas, care escalates to systemic biologics, oral JAK inhibitors, or phototherapy (narrowband UVB light therapy) for patients seeking non-pharmacological options. Multidisciplinary Collaboration, Mental Health, and Future Horizons Managing chronic AD requires addressing the psychological sequelae of long-term disease. Joseph advocates for involving psychologists, therapists, allergists, and primary care providers when patients experience disease-related anxiety or burnout. Looking to the future, she highlights the promise of precision medicine to select therapies based on individual genetic profiles and anticipates ongoing advancements toward higher disease clearance rates. Key Takeaway Managing atopic dermatitis requires a comprehensive, patient-centered approach that extends beyond treating surface lesions to address chronic pruritus, skin barrier repair, and psychological well-being. By tailoring treatment vehicles to individual hair and skin types, utilizing targeted therapies like JAK inhibitors and biologics, and fostering collaborative multi-specialty care, clinicians can achieve high rates of disease clearance and restore patient quality of life. RESOURCES Website — https://mdnewsline.com/ Newsletter — https://mdnewsline.com/subscribe/ Kendra Joseph, PA-C — https://www.linkedin.com/in/kendrajoseph/
