What the FDA labels say about taking them together
Dexamethasone and ixazomib
Ixazomib's FDA label of August 11, 2026 names dexamethasone in its warnings and precautions section; the dexamethasone labels PlainMeds reads (4) do not name ixazomib. The ixazomib label: “Adjust dosing of dexamethasone per its prescribing information or NINLARO for Grade 3 or 4 symptoms.”
Check it at the source: the dexamethasone FDA label on DailyMed (effective June 6, 2025, Hikma Pharmaceuticals USA, Inc.); the ixazomib FDA label on DailyMed (effective August 11, 2026, Takeda Pharmaceuticals America, Inc.).
What does the dexamethasone label say about ixazomib?
Dexamethasone's label (effective June 6, 2025) and its 3 other brand-application labels do not name ixazomib in these sections. A label lists what its studies and reports found; it is not a complete list.
Source: FDA drug label (Dexamethasone Intensol), Hikma Pharmaceuticals USA, Inc., effective June 6, 2025 (SPL set b15200fb-1826-472b-a907-e677a272513b), via openFDA; the full label on DailyMed
What does the ixazomib label say about dexamethasone?
Ixazomib label, warnings and precautionsAdjust dosing of dexamethasone per its prescribing information or NINLARO for Grade 3 or 4 symptoms [see Dosage and Administration (2.2) ].
Source: FDA drug label (NINLARO), Takeda Pharmaceuticals America, Inc., effective August 11, 2026 (SPL set 038f2461-834b-4488-9ebd-863c83eef5a7), 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
| Dexamethasone | Ixazomib | |
|---|---|---|
| Labeled for | Asthma, Eczema (atopic dermatitis), Leukemia, lymphoma and myeloma, Herpes and shingles, Crohn's disease and ulcerative colitis, Multiple sclerosis, Osteoarthritis, Rheumatoid arthritis, Psoriasis, Allergies, Anemia, Pain | Leukemia, lymphoma and myeloma |
| Boxed warning | No | No |
| Pharmacy cost (NADAC) | $0.193 per tablet 4 mg tablet | n/a |
| Shortage now | In shortage | 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