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What the FDA labels say about taking them together

Epinephrine and loxapine

Loxapine's FDA label (Adasuve) of July 6, 2026 names epinephrine in its warnings and precautions section; the epinephrine labels PlainMeds reads (4) do not name loxapine. The loxapine label: “Epinephrine should not be used, because beta stimulation may worsen hypotension in the setting of ADASUVE-induced partial alpha blockade.”

Check it at the source: the epinephrine FDA label on DailyMed (effective July 13, 2026, A-S Medication Solutions); the loxapine FDA label on DailyMed (effective February 26, 2025, Elite Laboratories, Inc.).

What does the epinephrine label say about loxapine?

Epinephrine's label (effective July 13, 2026) and its 3 other brand-application labels do not name loxapine 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 loxapine label say about epinephrine?

Adasuve label (Alexza Pharmaceuticals, Inc., July 6, 2026), warnings and precautions

Epinephrine should not be used, because beta stimulation may worsen hypotension in the setting of ADASUVE-induced partial alpha blockade.

Source: FDA drug label (Adasuve, NDA022549), Alexza Pharmaceuticals, Inc., effective July 6, 2026 (SPL set 50e11732-7387-452d-b3e6-db3a431d5c4a), via openFDA

Source: FDA drug label (Loxapine), Elite Laboratories, Inc., effective February 26, 2025 (SPL set a0cc7bb6-075f-47d1-8935-eb77a29d8c45), 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
7Loxapine generic labelers
EpinephrineLoxapine
Labeled forAsthmaSchizophrenia
Boxed warningNoYes
Pharmacy cost (NADAC)$123.51 per unit 0.15 mg auto-injct$0.468 per capsule 10 mg capsule
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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