Zoryve Drug Interactions: What to Avoid and What to Tell Your Doctor

Zoryve (roflumilast) cream and foam are topically applied medications, but a small amount of roflumilast is absorbed into the bloodstream through the skin. This means that drug interactions — while generally lower risk than with oral medications — are still possible and worth knowing about.

This guide covers the key Zoryve drug interactions, which medications to be cautious with, and what information to share with your doctor before starting treatment.

How Drug Interactions With Zoryve Work

Roflumilast is metabolized (broken down) in the body by enzymes in the cytochrome P450 (CYP) system — specifically CYP3A4 and CYP1A2. When you take another medication that inhibits these enzymes, your body breaks down roflumilast more slowly, which can lead to higher drug levels in the blood and potentially more side effects.

Importantly, no formal drug-drug interaction studies have been conducted with topical Zoryve. The interaction information below is based on what is known about roflumilast's metabolism and interactions with oral roflumilast (Daliresp). Topical exposure is much lower than oral, so the practical risk is generally lower — but your doctor should still be aware of your full medication list.

Interaction 1: CYP3A4 Inhibitors (Moderate Interaction Risk)

Medications that inhibit the CYP3A4 enzyme can increase roflumilast levels in the blood when used with Zoryve. Examples of systemic CYP3A4 inhibitors include:

Antibiotics: Erythromycin, clarithromycin

Antifungals: Ketoconazole, itraconazole, fluconazole

HIV medications: Ritonavir, indinavir

Others: Cimetidine (Tagamet, an OTC antacid/acid reducer)

The prescribing information for Zoryve states: if these products are co-administered with Zoryve, weigh the potential for increased adverse reactions against the benefit. This is not an absolute contraindication — it's a caution to be aware of.

Interaction 2: Dual CYP3A4 and CYP1A2 Inhibitors (Higher Risk)

The interaction is considered potentially more significant when a medication inhibits both CYP3A4 and CYP1A2 at the same time. This is because roflumilast relies on both pathways for metabolism, and blocking both simultaneously can meaningfully increase drug exposure.

Dual inhibitors to be aware of:

Fluvoxamine (Luvox): An antidepressant used for OCD and depression

Enoxacin: A fluoroquinolone antibiotic (less commonly used today)

Interaction 3: Oral Contraceptives With Gestodene and Ethinyl Estradiol

Birth control pills containing both gestodene and ethinyl estradiol may increase roflumilast systemic exposure when used alongside Zoryve. The FDA label recommends weighing the potential for increased adverse reactions against the benefit if these are used together.

Note: Birth control pills containing gestodene are not currently available in the United States, so this interaction has limited practical relevance for most US patients. However, it's worth mentioning to your doctor if you're using a contraceptive from outside the US or if this changes in the future.

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No Interaction Risk: Roflumilast Does Not Inhibit CYP Enzymes

Importantly, roflumilast itself does not inhibit CYP enzymes at clinically relevant concentrations. This means Zoryve is unlikely to interfere with the metabolism of other medications you're taking. The interaction concern goes one direction: other drugs affecting how your body processes roflumilast, not the other way around.

What to Tell Your Doctor Before Starting Zoryve

Before starting Zoryve, give your doctor or dermatologist a complete list of everything you take, including:

All prescription medications

Over-the-counter medications, including antacids like cimetidine (Tagamet)

Vitamins, supplements, and herbal products

Any antifungal medications (oral or topical)

Antidepressants or medications for anxiety

Your current contraceptive method if you're female and of childbearing potential

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Contraindications: When Not to Use Zoryve

Separate from drug interactions, Zoryve has one absolute contraindication: moderate to severe liver impairment (Child-Pugh B or C). Because roflumilast is metabolized by the liver, liver disease can dramatically increase drug levels and the risk of side effects. Patients with mild liver impairment (Child-Pugh A) do not need a dose adjustment, but should be monitored.

Bottom Line

Zoryve's drug interaction risk is relatively low compared to systemic medications, but it's not zero — especially for patients on CYP3A4 or CYP1A2 inhibitors. Always give your dermatologist a full medication list before starting. For information on side effects beyond interactions, see our guide on Zoryve side effects. Need help finding Zoryve at a pharmacy near you? Visit medfinder.com.