What the FDA labels say about taking them together
Dehydrated alcohol and dronabinol
Dronabinol's FDA label (Syndros) of April 17, 2026 names dehydrated alcohol in its contraindications section; the dehydrated alcohol label PlainMeds reads does not name dronabinol. The dronabinol label: “Toxicity in Preterm Neonates SYNDROS contains the excipients dehydrated alcohol (50%, w/w) and propylene glycol (5.5%, w/w).”
Check it at the source: the dehydrated alcohol FDA label on DailyMed (effective July 11, 2025, Ingenus Pharmaceuticals, LLC); the dronabinol FDA label on DailyMed (effective May 6, 2026, Ascend Laboratories, LLC).
What does the dehydrated alcohol label say about dronabinol?
Dehydrated alcohol's label (effective July 11, 2025) does not name dronabinol in these sections. A label lists what its studies and reports found; it is not a complete list.
Source: FDA drug label (Dehydrated Alcohol), Ingenus Pharmaceuticals, LLC, effective July 11, 2025 (SPL set 1d5ec6f9-d58f-4651-a4a1-93fec13fd438), via openFDA; the full label on DailyMed
What does the dronabinol label say about dehydrated alcohol?
Syndros label (Wellhouse Pharma, LLC, April 17, 2026), contraindicationsSYNDROS contains 50% (w/w) dehydrated alcohol and 5.5% (w/w) propylene glycol.
Syndros label (Wellhouse Pharma, LLC, April 17, 2026), drug interactionsDisulfiram and Metronidazole SYNDROS contains 50% (w/w) dehydrated alcohol and 5.5% (w/w) propylene glycol, which can produce disulfiram-like reactions when co-administered with disulfiram or other drugs that produce this reaction (e.g., metronidazole).
Syndros label (Wellhouse Pharma, LLC, April 17, 2026), warnings and precautionsToxicity in Preterm Neonates SYNDROS contains the excipients dehydrated alcohol (50%, w/w) and propylene glycol (5.5%, w/w).
Source: FDA drug label (Syndros, NDA205525), Wellhouse Pharma, LLC, effective April 17, 2026 (SPL set 3cdcb4f5-5af9-4ff7-b535-2a5cf4c6da89), via openFDA
Source: FDA drug label (Dronabinol), NDA018651 (Alkem Labs Ltd), as published by Ascend Laboratories, LLC, effective May 6, 2026 (SPL set adb1801c-0fb5-4e16-b969-1db91230e0b9), 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
| Dehydrated alcohol | Dronabinol | |
|---|---|---|
| Labeled for | n/a | n/a |
| Boxed warning | No | No |
| Pharmacy cost (NADAC) | n/a | $3.35 per capsule 5 mg capsule |
| 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