Round Doesn't Always Mean Ringworm: Nummular Eczema vs. Tinea

Tinea vs Nummular Eczema: How to Tell Two Round, Itchy Rashes Apart in Urgent Care Round doesn't always mean ringworm. In this video, we break down how to differentiate tinea corporis from nummular eczema in urgent care, two conditions that look nearly identical but require completely different treatment. If you've ever hesitated between an antifungal and a topical steroid for a round, scaly, itchy plaque, this one's for you. We cover the key clinical clues that actually matter: where the inflammation lives within the lesion, what an active peripheral border tells you, why "central clearing" isn't a reliable rule on its own, and how prior steroid use can mask tinea (tinea incognito) and send you down the wrong path. You'll also learn how history, exposures, lesion distribution, and treatment response help you land on the right diagnosis when the visual exam alone isn't enough, plus when secondary bacterial infection changes your management entirely. Whether you're new to urgent care or just want a sharper differential for round rashes, this is a practical, evidence-based breakdown you can use on your next shift. 📋 *Last chance to download the FREE Urgent Care Discharge Checklist!* The free download ends **October 7, 2026 at 11:59 PM Eastern**. After that, the checklist will be available as part of the **$49 Urgent Care Starter Bundle**. Get your free copy: https://pearlsurgentcare.gumroad.com/... Already downloaded it? Your copy is yours to keep. Urgent Care Starter Bundle ($49) includes: • First 90 Days in Urgent Care • Difficult Patient Playbook • Discharge Safety Checklist Everything I wish I had when I first started urgent care! Click Here for the Urgent Care Starter Bundle: https://pearlsurgentcare.gumroad.com/... *1:1 Support* Urgent Care Performance Audit: https://calendly.com/urgentcarepearls... 45-Minute Consult: https://calendly.com/urgentcarepearls... If this helped you think through your next round rash a little differently, subscribe to Urgent Care Pearls for more practical, evidence-based clinical teaching, one pearl at a time. #UrgentCare #TineaCorporis #NummularEczema #Dermatology #ClinicalPearls #NP #PA #FamilyMedicine #UrgentCarePearls #Ringworm #SkinRash