AAD Issues First-Ever Guidelines for Treatment-Resistant Adult Eczema
The AAD's first-ever guidelines for treatment-resistant adult eczema urge dermatologists to reconsider the diagnosis — from contact dermatitis to rare skin lymphoma — before escalating treatment.
Updated
The takeaway
- The AAD released its first-ever guidelines for adults whose atopic dermatitis isn't responding to treatment, published August 31 in the Journal of the American Academy of Dermatology.
- About 1 in 4 adult AD cases start in adulthood; roughly 2 percent of adults worldwide have AD.
- Look-alike conditions include contact dermatitis, psoriasis, hives, food allergies, asthma, allergic rhinitis and, rarely, a form of skin lymphoma.
The American Academy of Dermatology has published its first-ever guidelines for adults whose atopic dermatitis (AD) will not respond to treatment — and the central message runs against instinct: the fix might not be a stronger drug. It might be a different diagnosis.
The guidelines, published August 31 in the Journal of the American Academy of Dermatology, target a gap dermatologists have flagged for years. Eczema that refuses to clear despite a patient doing everything a dermatologist recommends is more common than most patients realize, according to the source. Until now, no dedicated guidance existed for what doctors should do when a presumed case of adult AD stalls under standard care.
Dawn Davis, MD, a Rochester, MN dermatologist and senior author of the guidelines, told Medscape that persistent, treatment-resistant symptoms are a signal to reconsider the diagnosis altogether rather than assume the case is simply harder to treat.
Why Adult Eczema Is Easy to Miss
The guidance zeroes in on a detail that trips up care: about 1 in 4 adult AD cases actually begin in adulthood. That pattern is historically harder to diagnose than the childhood-onset version most people associate with eczema. Roughly 2 percent of adults worldwide have AD.
The misdiagnosis problem is something dermatologists have been raising for a while. This is the first time the AAD has given doctors a formal playbook for it.
The Look-Alikes
The guidelines list the conditions that can masquerade as eczema or travel alongside it, any of which can explain a stalled treatment plan:
- Allergic or irritant contact dermatitis
- Food allergies
- Asthma
- Allergic rhinitis
- Psoriasis
- Hives
- In rare cases, a form of skin lymphoma
Davis described watching this play out in her own patients, whose eczema flares don't always trace back to eczema itself. It is the same overlap dermatologists have pointed to elsewhere, where a reaction to something in a skin care ingredient turns out to be driving symptoms that get chalked up to eczema.
What Doctors Are Told to Do
Instead of a one-size-fits-all test, the guidelines give physicians a decision tree based on how a case presents.
Patch testing gets highlighted for adult-onset eczema, rashes in unusual places like the hands or eyelids, or dermatitis that isn't budging under standard treatment. Biopsies come into play when something about the case looks more like a different condition entirely. Skin scraping and cultures help rule out infections or infestations that can mimic eczema.
When none of that clears things up, the next step is a referral to a specialist — not another treatment escalation.
The Takeaway for Patients
Peter Lio, MD, a Chicago dermatologist and clinical assistant professor at Northwestern University Feinberg School of Medicine who wasn't involved in writing the guidelines, called the underlying message "deceptively simple": don't assume a stalled treatment means the disease is just stubborn.
For patients, that reframe matters. If an eczema treatment has stopped working the way it should, the guidelines give patients grounds to raise it with their dermatologist as a diagnosis question, not just a dosage one.
The thinking parallels the shift behind recent dosing updates for eczema biologics, where the goal is matching treatment to the individual patient rather than a single fixed protocol. For clinicians, the new playbook formalizes what many suspected: persistent adult eczema deserves a second look before it earns another prescription.
Source: NewBeauty
Amara Osei
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Staff writer covering media and advertising at Eurasian Beauty Journal.
