What the FDA labels say about taking them together
Cobicistat and nifedipine
Cobicistat's FDA label of February 10, 2026 names nifedipine in its drug interactions section; the nifedipine labels PlainMeds reads (2) do not name cobicistat. The cobicistat label: “Clinical monitoring is recommended for coadministration with calcium channel blockers metabolized by CYP3A.”
Check it at the source: the cobicistat FDA label on DailyMed (effective February 10, 2026, Gilead Sciences, Inc.); the nifedipine FDA label on DailyMed (effective December 24, 2024, Aurobindo Pharma Limited).
What does the cobicistat label say about nifedipine?
Cobicistat label, drug interactionsConcomitant Drug Class/Drug Name: Calcium Channel Blockers: e.g., amlodipine diltiazem felodipine nifedipine verapamil; Potential Effect ↑ = Increase, ↓ = Decrease, ↔ = No change: ↑ calcium channel blockers; Clinical Comment: Clinical monitoring is recommended for coadministration with calcium channel blockers metabolized by CYP3A.
Source: FDA drug label (Tybost), Gilead Sciences, Inc., effective February 10, 2026 (SPL set 3784c35c-e87f-410c-900b-8fd6313c6010), via openFDA; the full label on DailyMed
What does the nifedipine label say about cobicistat?
Nifedipine's label (effective December 24, 2024) and its 1 other brand-application label do not name cobicistat in these sections. A label lists what its studies and reports found; it is not a complete list.
Source: FDA drug label (Nifedipine), Aurobindo Pharma Limited, effective December 24, 2024 (SPL set eb70b7ff-f9f0-41d0-901a-f4c04ae9ed46), 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
| Cobicistat | Nifedipine | |
|---|---|---|
| Labeled for | HIV | High blood pressure, Angina |
| Boxed warning | No | No |
| Pharmacy cost (NADAC) | n/a | $0.130 per tablet 30 mg tablet |
| Shortage now | A presentation being discontinued | 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