What the FDA labels say about taking them together
Palovarotene and vitamin a
Palovarotene's FDA label of August 31, 2026 names vitamin a in its drug interactions section; the vitamin a label PlainMeds reads does not name palovarotene. The palovarotene label: “Avoid concomitant use of strong/moderate CYP3A4 inducers Vitamin A: May cause additive effects Tetracyclines:”
Check it at the source: the palovarotene FDA label on DailyMed (effective August 31, 2026, Ipsen Biopharmaceuticals, Inc.); the vitamin a FDA label on DailyMed (effective March 3, 2026, Rising Pharma Holdings, Inc.).
What does the palovarotene label say about vitamin a?
Palovarotene label, drug interactionsAvoid concomitant use of strong/moderate CYP3A4 inducers ( 7.1 ) Vitamin A: May cause additive effects ( 7.2 ) Tetracyclines:
Source: FDA drug label (SOHONOS), Ipsen Biopharmaceuticals, Inc., effective August 31, 2026 (SPL set 67dce406-7cc4-4d66-92de-ad18b6df0625), via openFDA; the full label on DailyMed
What does the vitamin a label say about palovarotene?
Vitamin a's label (effective March 3, 2026) does not name palovarotene in these sections. A label lists what its studies and reports found; it is not a complete list.
Source: FDA drug label (AQUASOL A Parenteral), Rising Pharma Holdings, Inc., effective March 3, 2026 (SPL set 1abd66eb-6ac8-4a9e-a609-251e46ea1a27), 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
| Palovarotene | Vitamin a | |
|---|---|---|
| Labeled for | n/a | n/a |
| Boxed warning | Yes | No |
| Pharmacy cost (NADAC) | n/a | n/a |
| 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