Skip to main content

What the FDA labels say about taking them together

Epinephrine and pegaspargase

Pegaspargase's FDA label of October 7, 2024 names epinephrine in its warnings and precautions section; the epinephrine labels PlainMeds reads (4) do not name pegaspargase. The pegaspargase label: “Observe patients for 1 hour after administration of ONCASPAR in a setting with resuscitation equipment and other agents necessary to treat anaphylaxis.”

Check it at the source: the epinephrine FDA label on DailyMed (effective July 13, 2026, A-S Medication Solutions); the pegaspargase FDA label on DailyMed (effective October 7, 2024, Servier Pharmaceuticals LLC).

What does the epinephrine label say about pegaspargase?

Epinephrine's label (effective July 13, 2026) and its 3 other brand-application labels do not name pegaspargase in these sections. A label lists what its studies and reports found; it is not a complete list.

Source: FDA drug label (Epinephrine), A-S Medication Solutions, effective July 13, 2026 (SPL set 6e811e28-0199-4df7-a916-5940c632401d), via openFDA; the full label on DailyMed

What does the pegaspargase label say about epinephrine?

Pegaspargase label, warnings and precautions

Observe patients for 1 hour after administration of ONCASPAR in a setting with resuscitation equipment and other agents necessary to treat anaphylaxis (for example, epinephrine, oxygen, intravenous steroids, antihistamines) [see Dosage and Administration (2.4) ].

Source: FDA drug label (ONCASPAR), BLA103411 (Sigma Tau), as published by Servier Pharmaceuticals LLC, effective October 7, 2024 (SPL set ac7b6a6f-6ddb-48c6-8088-d8a8e3fea6ce), 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

16Epinephrine generic labelers
0Pegaspargase generic labelers
EpinephrinePegaspargase
Labeled forAsthmaLeukemia, lymphoma and myeloma
Boxed warningNoNo
Pharmacy cost (NADAC)$123.51 per unit 0.15 mg auto-injctn/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)

What next?