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Is there a link between cholesterol-lowering medications and atopic dermatitis?
John Tetteh1, Zenas Z N Yiu1,2
1Division of Musculoskeletal and Dermatological Science, Faculty of Biology, Medicine and Health, School of Biological Sciences, NIHR Manchester Biomedical Research Centre, University of Manchester, Manchester, UK.
Expert Review of Clinical Pharmacology
|December 17, 2025
Summary
Cholesterol-lowering medications (CLMs) may impact atopic dermatitis (AD) due to cholesterol's role in skin barrier function. Evidence is emerging, but more research is needed to confirm effects and guide clinical practice for patients with AD.
Area of Science:
- Dermatology and Cardiology
- Skin Barrier Biology
- Epidermal Cholesterol Metabolism
Background:
- Cholesterol is vital for skin barrier integrity.
- Dysfunctional skin barriers are implicated in atopic dermatitis (AD) pathogenesis.
- Cholesterol-lowering medications (CLMs) are widely used globally.
Purpose of the Study:
- To synthesize evidence on the potential impact of CLMs on AD.
- To explore the biological plausibility and clinical evidence linking CLMs and AD.
- To identify areas for future research in dermatology and cardiology.
Main Methods:
- Literature synthesis of experimental, clinical, and genetic epidemiology studies.
- Focused review on skin barrier biology, cholesterol metabolism, and CLM effects on AD.
- Analysis of studies on topical vs. systemic statins, population-based AD observations, and Mendelian randomization.
Main Results:
- The effect of CLMs on AD is biologically plausible but not yet clinically proven.
- Inhibition of HMG-CoA reductase and NPC1L1 shows potential concern for AD.
- PCSK9 inhibition may offer protection against AD in certain populations, but studies are limited by confounding and heterogeneity.
Conclusions:
- Current evidence on CLMs and AD is limited by study design and confounding factors.
- Further robust causal and pharmacoepidemiologic studies across diverse ancestries are necessary.
- Clinicians should balance cardiovascular benefits of CLMs with monitoring for dermatitis, prioritizing established treatments for AD.
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