What the FDA labels say about taking them together
Dimethyl sulfoxide and remestemcel-l-rknd
Remestemcel-l-rknd's FDA label of September 11, 2025 names dimethyl sulfoxide in its contraindications section; the dimethyl sulfoxide label PlainMeds reads does not name remestemcel-l-rknd. The remestemcel-l-rknd label: “CONTRAINDICATIONS Do not use RYONCIL in patients with known hypersensitivity to dimethyl sulfoxide (DMSO) or porcine and bovine proteins.”
Check it at the source: the dimethyl sulfoxide FDA label on DailyMed (effective March 17, 2021, Mylan Institutional LLC); the remestemcel-l-rknd FDA label on DailyMed (effective September 11, 2025).
What does the dimethyl sulfoxide label say about remestemcel-l-rknd?
Dimethyl sulfoxide's label (effective March 17, 2021) does not name remestemcel-l-rknd in these sections. A label lists what its studies and reports found; it is not a complete list.
Source: FDA drug label (RIMSO-50), Mylan Institutional LLC, effective March 17, 2021 (SPL set 58b25d79-78f2-4953-b0c6-61658dc4ef0d), via openFDA; the full label on DailyMed
What does the remestemcel-l-rknd label say about dimethyl sulfoxide?
Remestemcel-l-rknd label, contraindicationsCONTRAINDICATIONS Do not use RYONCIL in patients with known hypersensitivity to dimethyl sulfoxide (DMSO) or porcine and bovine proteins.
Source: FDA drug label (RYONCIL), Mesoblast, effective September 11, 2025 (SPL set a4e0918f-7444-4694-adeb-d38d98345659), 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
| Dimethyl sulfoxide | Remestemcel-l-rknd | |
|---|---|---|
| Labeled for | n/a | n/a |
| Boxed warning | No | No |
| Pharmacy cost (NADAC) | n/a | n/a |
| 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