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What the FDA labels say about taking them together

Axitinib and ketoconazole

Axitinib's FDA label of March 12, 2026 names ketoconazole in its drug interactions section; the ketoconazole label PlainMeds reads does not name axitinib. The axitinib label: “CYP3A4/5 Inhibitors Co-administration of ketoconazole, a strong inhibitor of CYP3A4/5, increased the plasma exposure of axitinib in healthy volunteers.”

Check it at the source: the axitinib FDA label on DailyMed (effective March 12, 2026, U.S. Pharmaceuticals); the ketoconazole FDA label on DailyMed (effective January 28, 2026, E. Fougera & Co. a division of Fougera Pharmaceuticals, LLC).

What does the axitinib label say about ketoconazole?

Axitinib label, drug interactions

CYP3A4/5 Inhibitors Co-administration of ketoconazole, a strong inhibitor of CYP3A4/5, increased the plasma exposure of axitinib in healthy volunteers.

Source: FDA drug label (INLYTA), NDA202324 (Pf Prism Cv), as published by U.S. Pharmaceuticals, effective March 12, 2026 (SPL set 8a903e31-936e-4ed7-8a59-59f32374f338), via openFDA; the full label on DailyMed

What does the ketoconazole label say about axitinib?

Ketoconazole's label (effective January 28, 2026) does not name axitinib in these sections. A label lists what its studies and reports found; it is not a complete list.

Source: FDA drug label (ketoconazole), E. Fougera & Co. a division of Fougera Pharmaceuticals, LLC, effective January 28, 2026 (SPL set cad7c647-34a9-4e4e-83b3-8d78e58f588f), via openFDA; the full label on DailyMed

These are the labels' own sentences. PlainMeds does not grade interactions; a pharmacist or prescriber can say what they mean for one person's medicines.

Both medicines on the record

0Axitinib generic labelers
30Ketoconazole generic labelers
AxitinibKetoconazole
Labeled forn/aFungal infections
Boxed warningNoNo
Pharmacy cost (NADAC)n/a$0.249 per gram 2% cream
Shortage nowNo current entryNo current entry

Source: FDA NDC Directory, CMS NADAC of October 7, 2026 and the FDA Drug Shortage Database (FDA files October 8, 2026)

What next?