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What the FDA labels say about taking them together

Epinephrine and human botulinum neurotoxin a b immune globulin

Human botulinum neurotoxin a b immune globulin's FDA label of December 8, 2025 names epinephrine in its warnings and precautions section; the epinephrine labels PlainMeds reads (4) do not name human botulinum neurotoxin a b immune globulin. The human botulinum neurotoxin a b immune globulin label: “… a drop in blood pressure occurs, discontinue the infusion and administer epinephrine. [1-4] Although acute systemic allergic reactions were not seen in clinical trials with BabyBIG, epinephrine should be available for …”

Check it at the source: the epinephrine FDA label on DailyMed (effective July 13, 2026, A-S Medication Solutions); the human botulinum neurotoxin a b immune globulin FDA label on DailyMed (effective December 8, 2025).

What does the epinephrine label say about human botulinum neurotoxin a b immune globulin?

Epinephrine's label (effective July 13, 2026) and its 3 other brand-application labels do not name human botulinum neurotoxin a b immune globulin 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 human botulinum neurotoxin a b immune globulin label say about epinephrine?

Human botulinum neurotoxin a b immune globulin label, warnings and precautions

A reaction may be related to the rate of infusion; therefore, carefully adhere to the infusion rates as outlined under "DOSAGE AND ADMINISTRATION (2.3)." If anaphylaxis or a drop in blood pressure occurs, discontinue the infusion and administer epinephrine. [1-4] Although acute systemic allergic reactions were not seen in clinical trials with BabyBIG, epinephrine should be available for treatment of acute allergic symptoms [ see ADVERSE REACTIONS (6.1) ].

Source: FDA drug label (BabyBIG), CALIFORNIA DEPARTMENT OF PUBLIC HEALTH, effective December 8, 2025 (SPL set 9ec59262-35c1-4d8e-8451-a7cfbacb0675), 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
0Human botulinum neurotoxin a b immune globulin generic labelers
EpinephrineHuman botulinum neurotoxin a b immune globulin
Labeled forAsthman/a
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)

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