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What the FDA labels say about taking them together

Mavorixafor and metformin

Mavorixafor's FDA label of November 12, 2024 names metformin in its drug interactions section; the metformin labels PlainMeds reads (3) do not name mavorixafor. The mavorixafor label: “Monitor for glycemic control and adjust the dose of metformin as necessary.”

Check it at the source: the mavorixafor FDA label on DailyMed (effective November 12, 2024, X4 Pharmaceuticals, Inc.); the metformin FDA label on DailyMed (effective September 3, 2026, Granules India Ltd).

What does the mavorixafor label say about metformin?

Mavorixafor label, drug interactions

Monitor for glycemic control and adjust the dose of metformin as necessary.

Source: FDA drug label (XOLREMDI), NDA218709 (X4 Pharms), as published by X4 Pharmaceuticals, Inc., effective November 12, 2024 (SPL set 7f3a5ee3-ca73-4876-85a0-ed1e108a2237), via openFDA; the full label on DailyMed

What does the metformin label say about mavorixafor?

Metformin's label (effective September 3, 2026) and its 2 other brand-application labels do not name mavorixafor in these sections. A label lists what its studies and reports found; it is not a complete list.

Source: FDA drug label (METFORMIN HYDROCHLORIDE), Granules India Ltd, effective September 3, 2026 (SPL set 73197cb5-3e23-4ac0-b189-f9bc848bce66), 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

0Mavorixafor generic labelers
80Metformin generic labelers
MavorixaforMetformin
Labeled forn/aType 2 diabetes
Boxed warningNoYes
Pharmacy cost (NADAC)n/a$0.0145 per tablet 500 mg tablet
Shortage nowNo current entryNo 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?