What the FDA labels say about taking them together
Beclomethasone and darunavir
Darunavir's FDA label of August 29, 2025 names beclomethasone in its drug interactions section; the beclomethasone labels PlainMeds reads (2) do not name darunavir. The darunavir label: “… Cushing's syndrome and adrenal suppression. Alternative corticosteroids including beclomethasone, prednisone, and prednisolone should be considered, particularly for long term use.”
Check it at the source: the beclomethasone FDA label on DailyMed (effective June 25, 2024, A-S Medication Solutions); the darunavir FDA label on DailyMed (effective August 29, 2025, Janssen Products LP).
What does the beclomethasone label say about darunavir?
Beclomethasone's label (effective June 25, 2024) 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 (QVAR REDIHALER), NDA207921 (Norton Waterford), as published by A-S Medication Solutions, effective June 25, 2024 (SPL set ccd3aaec-4892-40d0-ad60-3e570178fbe1), via openFDA; the full label on DailyMed
What does the darunavir label say about beclomethasone?
Darunavir label, drug interactionsConcomitant Drug Class Drug Name Examples: Corticosteroids primarily metabolized by CYP3A: e.g. betamethasone budesonide ciclesonide fluticasone methylprednisolone mometasone triamcinolone; Effect on Concentration of Darunavir Or Concomitant Drug: ↑ corticosteroids; Clinical Comment: Co-administration with corticosteroids (all routes of administration) of which exposures are significantly increased by strong CYP3A inhibitors can increase the risk for Cushing's syndrome and adrenal suppression. …
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
| Beclomethasone | Darunavir | |
|---|---|---|
| Labeled for | Asthma, Allergies | HIV |
| Boxed warning | No | No |
| Pharmacy cost (NADAC) | $30.23 per gram 80 mcg nasal spray | $1.16 per tablet 600 mg tablet |
| Shortage now | No current entry | No 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?
- Check more medicines together
- up to five at once