What the FDA labels say about taking them together
Acetaminophen and ublituximab
Ublituximab's FDA label of February 19, 2026 names acetaminophen in its warnings and precautions section; the acetaminophen labels PlainMeds reads (4) do not name ublituximab. The ublituximab label: “In Studies 1 and 2, patients received methylprednisolone (or an equivalent steroid), an antihistamine, and possibly other pre-medication (i.e., acetaminophen) to reduce the risk of infusion reactions prior to each …”
Check it at the source: the acetaminophen FDA label on DailyMed (effective November 13, 2024, Kenvue Brands LLC); the ublituximab FDA label on DailyMed (effective February 19, 2026).
What does the acetaminophen label say about ublituximab?
Acetaminophen's label (effective November 13, 2024) and its 3 other brand-application labels do not name ublituximab in these sections. A label lists what its studies and reports found; it is not a complete list.
Source: FDA drug label (Tylenol 8 HR Arthritis Pain), Kenvue Brands LLC, effective November 13, 2024 (SPL set 3af22fc8-e4e0-4863-8696-6bc1257047cb), via openFDA; the full label on DailyMed
What does the ublituximab label say about acetaminophen?
Ublituximab label, warnings and precautionsIn Studies 1 and 2 [see Clinical Studies (14) ], patients received methylprednisolone (or an equivalent steroid), an antihistamine, and possibly other pre-medication (i.e., acetaminophen) to reduce the risk of infusion reactions prior to each infusion.
Source: FDA drug label (BRIUMVI), TG Therapeutics, Inc., effective February 19, 2026 (SPL set 3a77cd8c-811b-407c-9140-d0c5c26435c2), 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
| Acetaminophen | Ublituximab | |
|---|---|---|
| Labeled for | Fever, Cough and cold, Pain | Multiple sclerosis |
| Boxed warning | Yes | No |
| Pharmacy cost (NADAC) | $0.0339 per unit 500 mg caplet | 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