What the FDA labels say about taking them together
Avanafil and nefazodone
Avanafil's FDA label of December 17, 2025 names nefazodone in its warnings and precautions section; the nefazodone label PlainMeds reads does not name avanafil. The avanafil label: “For patients taking concomitant strong CYP3A4 inhibitors, do not use avanafil.”
Check it at the source: the avanafil FDA label on DailyMed (effective December 17, 2025, Camber Pharmaceuticals, Inc.); the nefazodone FDA label on DailyMed (effective July 31, 2025, Teva Pharmaceuticals USA, Inc.).
What does the avanafil label say about nefazodone?
Avanafil label, warnings and precautionsFor patients taking concomitant strong CYP3A4 inhibitors (including ketoconazole, ritonavir, atazanavir, clarithromycin, indinavir, itraconazole, nefazodone, nelfinavir, saquinavir and telithromycin), do not use avanafil [see Drug Interactions ( 7.2 )].
Source: FDA drug label (Avanafil), ANDA209266 (Hetero Labs Ltd V), as published by Camber Pharmaceuticals, Inc., effective December 17, 2025 (SPL set 1d04e17d-7399-430a-a8bb-fa1912b155e9), via openFDA; the full label on DailyMed
What does the nefazodone label say about avanafil?
Nefazodone's label (effective July 31, 2025) does not name avanafil in these sections. A label lists what its studies and reports found; it is not a complete list.
Source: FDA drug label (Nefazodone Hydrochloride), Teva Pharmaceuticals USA, Inc., effective July 31, 2025 (SPL set 51ff7db5-aaf9-4c3c-86e6-958ebf16b60f), 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
| Avanafil | Nefazodone | |
|---|---|---|
| Labeled for | Erectile dysfunction | Depression |
| Boxed warning | No | Yes |
| Pharmacy cost (NADAC) | $50.00 per tablet 200 mg tablet | $1.17 per tablet 100 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