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What the FDA labels say about taking them together

Bendamustine and dehydrated alcohol

Bendamustine's FDA label (Vivimusta) of April 3, 2025 names dehydrated alcohol in its contraindications section; the dehydrated alcohol label PlainMeds reads does not name bendamustine. The bendamustine label: “CONTRAINDICATIONS VIVIMUSTA is contraindicated in patients with a known hypersensitivity to bendamustine, polyethylene glycol 400, dehydrated alcohol, or monothioglycerol History of a hypersensitivity reaction to …”

Check it at the source: the bendamustine FDA label on DailyMed (effective May 11, 2026, Meitheal Pharmaceuticals Inc.); the dehydrated alcohol FDA label on DailyMed (effective July 11, 2025, Ingenus Pharmaceuticals, LLC).

What does the bendamustine label say about dehydrated alcohol?

Vivimusta label (Azurity Pharmaceuticals, Inc., April 3, 2025), contraindications

CONTRAINDICATIONS VIVIMUSTA is contraindicated in patients with a known hypersensitivity (e.g., anaphylactic and anaphylactoid reactions) to bendamustine, polyethylene glycol 400, dehydrated alcohol, or monothioglycerol [see Warnings and Precautions ( 5.4 )] History of a hypersensitivity reaction to bendamustine, polyethylene glycol 400, dehydrated alcohol, or monothioglycerol.

Source: FDA drug label (Vivimusta, NDA212209), Azurity Pharmaceuticals, Inc., effective April 3, 2025 (SPL set 4df6548f-c4ad-4eb2-a54f-19766a3d90ca), via openFDA

Source: FDA drug label (Bendamustine), Meitheal Pharmaceuticals Inc., effective May 11, 2026 (SPL set 40f6f58d-d9ac-4f65-9fc7-16984bf1f180), via openFDA; the full label on DailyMed

What does the dehydrated alcohol label say about bendamustine?

Dehydrated alcohol's label (effective July 11, 2025) does not name bendamustine 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

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

4Bendamustine generic labelers
1Dehydrated alcohol generic labelers
BendamustineDehydrated alcohol
Labeled forLeukemia, lymphoma and myeloman/a
Boxed warningNoNo
Pharmacy cost (NADAC)n/an/a
Shortage nowA presentation being discontinuedNo current entry

Source: FDA NDC Directory, CMS NADAC of October 7, 2026 and the FDA Drug Shortage Database (FDA files October 8, 2026)

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