What the FDA labels say about taking them together
Finasteride and propranolol
Finasteride's FDA label of March 18, 2026 names propranolol in its drug interactions section; the propranolol labels PlainMeds reads (4) do not name finasteride.
Check it at the source: the finasteride FDA label on DailyMed (effective March 18, 2026, Organon LLC); the propranolol FDA label on DailyMed (effective January 15, 2026, Mylan Pharmaceuticals Inc.).
What does the finasteride label say about propranolol?
Finasteride label, drug interactionsCompounds that have been tested in man have included antipyrine, digoxin, propranolol, theophylline, and warfarin and no clinically meaningful interactions were found.
Source: FDA drug label (Propecia, NDA020788), Organon LLC, effective October 14, 2024 (SPL set 6f904709-65aa-44ce-b144-b4c8a0416e36), via openFDA
Source: FDA drug label (PROSCAR), Organon LLC, effective March 18, 2026 (SPL set 6f988153-fc74-4ca4-b29a-111f750c4a4b), via openFDA; the full label on DailyMed
What does the propranolol label say about finasteride?
Propranolol's label (effective January 15, 2026) and its 3 other brand-application labels do not name finasteride in these sections. A label lists what its studies and reports found; it is not a complete list.
Source: FDA drug label (Propranolol Hydrochloride), Mylan Pharmaceuticals Inc., effective January 15, 2026 (SPL set b94dcec7-7633-4a33-9cea-48161adeaf93), 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
| Finasteride | Propranolol | |
|---|---|---|
| Labeled for | Enlarged prostate (BPH) | High blood pressure, Angina, Atrial fibrillation, Migraine |
| Boxed warning | No | No |
| Pharmacy cost (NADAC) | $0.0688 per tablet 5 mg tablet | $0.0493 per tablet 20 mg tablet |
| Shortage now | No current entry | In shortage |
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