What the FDA labels say about taking them together
Emtricitabine/tenofovir alafenamide and ritonavir
Emtricitabine/tenofovir alafenamide's FDA label of July 7, 2026 names ritonavir in its drug interactions section; the ritonavir label PlainMeds reads does not name emtricitabine/tenofovir alafenamide. The emtricitabine/tenofovir alafenamide label: “Coadministration with DESCOVY is not recommended.”
Check it at the source: the emtricitabine/tenofovir alafenamide FDA label on DailyMed (effective July 7, 2026, Gilead Sciences, Inc.); the ritonavir FDA label on DailyMed (effective July 23, 2026, AbbVie Inc.).
What does the emtricitabine/tenofovir alafenamide label say about ritonavir?
Emtricitabine/tenofovir alafenamide label, drug interactionsConcomitant Drug Class/Drug Name: tipranavir/ritonavir; Effect on Concentration ↓=Decrease: ↓ TAF; Clinical Comment: Coadministration with DESCOVY is not recommended.
Source: FDA drug label (DESCOVY), Gilead Sciences, Inc., effective July 7, 2026 (SPL set 06f66e98-e6ee-4538-9506-6c1282cc14c1), via openFDA; the full label on DailyMed
What does the ritonavir label say about emtricitabine/tenofovir alafenamide?
Ritonavir's label (effective July 23, 2026) does not name emtricitabine/tenofovir alafenamide in these sections. A label lists what its studies and reports found; it is not a complete list.
Source: FDA drug label (Norvir), AbbVie Inc., effective July 23, 2026 (SPL set 2849298e-de6e-47bb-8194-56e075b33fc3), 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
| Emtricitabine/tenofovir alafenamide | Ritonavir | |
|---|---|---|
| Labeled for | HIV | HIV |
| Boxed warning | Yes | Yes |
| Pharmacy cost (NADAC) | $74.94 per tablet 200-25 mg tablet | $0.607 per tablet 100 mg tablet |
| Shortage now | No current entry | A presentation being discontinued |
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