What the FDA labels say about taking them together
Bupropion and mifepristone
Mifepristone's FDA label of September 25, 2025 names bupropion in its drug interactions section; the bupropion labels PlainMeds reads (4) do not name mifepristone.
Check it at the source: the bupropion FDA label on DailyMed (effective June 21, 2024); the mifepristone FDA label on DailyMed (effective September 25, 2025, Corcept Therapeutics Incorporated).
What does the bupropion label say about mifepristone?
Bupropion's label (effective June 21, 2024) and its 3 other brand-application labels do not name mifepristone in these sections. A label lists what its studies and reports found; it is not a complete list.
Source: FDA drug label (BUPROPION HYDROCHLORIDE), Epic Pharma LLC, effective June 21, 2024 (SPL set 9fb44e96-6160-4a4a-90cb-91764c0dcd89), via openFDA; the full label on DailyMed
What does the mifepristone label say about bupropion?
Mifepristone label, drug interactionsDrugs metabolized by CYP2B6: Use of mifepristone should be done with caution with bupropion and efavirenz ( 7.5 ).
Source: FDA drug label (Mifepristone), Corcept Therapeutics Incorporated, effective September 25, 2025 (SPL set 63c068cd-9370-460f-829b-70e8c7ebe91e), 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
| Bupropion | Mifepristone | |
|---|---|---|
| Labeled for | Depression, Quitting smoking | n/a |
| Boxed warning | Yes | Yes |
| Pharmacy cost (NADAC) | $0.0785 per tablet 150 mg tablet | n/a |
| 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