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What the FDA labels say about taking them together

Fentanyl and norepinephrine

Neither FDA label names the other in its interaction, contraindication or warning sections. A label lists the interactions its studies and reports found; it is not a complete list, so ask a pharmacist before combining medicines. Labels read October 8, 2026.

Check it at the source: the fentanyl FDA label on DailyMed (effective March 6, 2026, Hikma Pharmaceuticals USA Inc.); the norepinephrine FDA label on DailyMed (effective June 12, 2025, Hospira, Inc.).

What does the fentanyl label say about norepinephrine?

Fentanyl's label (effective March 6, 2026) and its 1 other brand-application label do not name norepinephrine in these sections. A label lists what its studies and reports found; it is not a complete list.

Source: FDA drug label (Fentanyl Citrate), Hikma Pharmaceuticals USA Inc., effective March 6, 2026 (SPL set ce5db1c2-feb1-4ad2-847a-d02e865bd47e), via openFDA; the full label on DailyMed

What does the norepinephrine label say about fentanyl?

Norepinephrine's label (effective June 12, 2025) and its 3 other brand-application labels do not name fentanyl in these sections. A label lists what its studies and reports found; it is not a complete list.

Source: FDA drug label (LEVOPHED), Hospira, Inc., effective June 12, 2025 (SPL set 2c7dd2b0-cc10-4db6-bf56-6eb154ebeb10), via openFDA; the full label on DailyMed

A pharmacist or prescriber can say whether these two medicines suit one person together; PlainMeds does not grade interactions.

Both medicines on the record

6Fentanyl generic labelers
20Norepinephrine generic labelers
FentanylNorepinephrine
Labeled forPainn/a
Boxed warningYesNo
Pharmacy cost (NADAC)$1.79 per mL 100 mcg/2 mL vialn/a
Shortage nowIn shortageNo 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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