Skip to main content

What the FDA labels say about taking them together

Dutasteride and verapamil

Dutasteride's FDA label of September 11, 2025 names verapamil in its drug interactions section; the verapamil labels PlainMeds reads (4) do not name dutasteride. The dutasteride label: “Coadministration of verapamil or diltiazem decreases dutasteride clearance and leads to increased exposure to dutasteride.”

Check it at the source: the dutasteride FDA label on DailyMed (effective September 11, 2025, Aurobindo Pharma Limited); the verapamil FDA label on DailyMed (effective April 6, 2026, Zydus Pharmaceuticals (USA) Inc.).

What does the dutasteride label say about verapamil?

Dutasteride label, drug interactions

Coadministration of verapamil or diltiazem decreases dutasteride clearance and leads to increased exposure to dutasteride.

Source: FDA drug label (Dutasteride), Aurobindo Pharma Limited, effective September 11, 2025 (SPL set b32611f3-50ec-45bb-a671-ea10cec7829d), via openFDA; the full label on DailyMed

What does the verapamil label say about dutasteride?

Verapamil's label (effective April 6, 2026) and its 3 other brand-application labels do not name dutasteride in these sections. A label lists what its studies and reports found; it is not a complete list.

Source: FDA drug label (Verapamil hydrochloride), Zydus Pharmaceuticals (USA) Inc., effective April 6, 2026 (SPL set e19ab8d8-dae5-489d-9805-7e7407bea06d), 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

13Dutasteride generic labelers
43Verapamil generic labelers
DutasterideVerapamil
Labeled forEnlarged prostate (BPH)High blood pressure, Atrial fibrillation, Angina
Boxed warningNoNo
Pharmacy cost (NADAC)$0.157 per capsule 0.5 mg capsule$0.191 per tablet 180 mg tablet
Shortage nowNo current entryA presentation being discontinued

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

What next?