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What the FDA labels say about taking them together

Amiodarone and darunavir

Darunavir's FDA label of August 29, 2025 names amiodarone in its drug interactions section; the amiodarone labels PlainMeds reads (2) do not name darunavir. The darunavir label: “Therapeutic concentration monitoring, if available, is recommended for antiarrhythmics when co-administered with PREZISTA/ritonavir.”

Check it at the source: the amiodarone FDA label on DailyMed (effective December 9, 2025, Chartwell RX, LLC); the darunavir FDA label on DailyMed (effective August 29, 2025, Janssen Products LP).

What does the amiodarone label say about darunavir?

Amiodarone's label (effective December 9, 2025) and its 1 other brand-application label do not name darunavir in these sections. A label lists what its studies and reports found; it is not a complete list.

Source: FDA drug label (Amiodarone Hydrochloride), Chartwell RX, LLC, effective December 9, 2025 (SPL set 5520f11d-968d-4f4f-bf57-d14369c0d746), via openFDA; the full label on DailyMed

What does the darunavir label say about amiodarone?

Darunavir label, drug interactions

Concomitant Drug Class Drug Name Examples: Other antiarrhythmics e.g. amiodarone, bepridil, disopyramide, flecainide, lidocaine (systemic), mexiletine, propafenone, quinidine; Effect on Concentration of Darunavir Or Concomitant Drug: ↑ antiarrhythmics; Clinical Comment: Therapeutic concentration monitoring, if available, is recommended for antiarrhythmics when co-administered with PREZISTA/ritonavir.

Source: FDA drug label (PREZISTA), Janssen Products LP, effective August 29, 2025 (SPL set 814301f9-c990-46a5-b481-2879a521a16f), 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

32Amiodarone generic labelers
13Darunavir generic labelers
AmiodaroneDarunavir
Labeled forn/aHIV
Boxed warningYesNo
Pharmacy cost (NADAC)$0.122 per tablet 200 mg tablet$1.16 per tablet 600 mg tablet
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?