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What the FDA labels say about taking them together

Epinephrine and glipizide

Glipizide's FDA label of January 8, 2026 names epinephrine in its drug interactions section; the epinephrine labels PlainMeds reads (4) do not name glipizide. The glipizide label: “The following are examples of medication that may reduce the glucose-lowering effect of glipizide extended-release tablets, leading to worsening glycemic control: atypical antipsychotics, corticosteroids, danazol …”

Check it at the source: the epinephrine FDA label on DailyMed (effective July 13, 2026, A-S Medication Solutions); the glipizide FDA label on DailyMed (effective January 8, 2026, Aurobindo Pharma Limited).

What does the epinephrine label say about glipizide?

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

Glipizide label, drug interactions

The following are examples of medication that may reduce the glucose-lowering effect of glipizide extended-release tablets, leading to worsening glycemic control: atypical antipsychotics (e.g., olanzapine and clozapine), corticosteroids, danazol, diuretics, estrogens, glucagon, isoniazid, niacin, oral contraceptives, phenothiazines, progestogens (e.g., in oral contraceptives), protease inhibitors, somatropin, sympathomimetic agents (e.g., albuterol, epinephrine, terbutaline), thyroid hormones, phenytoin, nicotinic acid, and calcium channel blocking drugs.

Source: FDA drug label (Glucotrol Xl, NDA020329), Roerig, effective July 21, 2026 (SPL set eed99b60-d043-4249-9b2a-f05e46fb588d), via openFDA

Source: FDA drug label (Glipizide), Aurobindo Pharma Limited, effective January 8, 2026 (SPL set 84794a52-b717-488c-8533-6425c83d405f), 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
31Glipizide generic labelers
EpinephrineGlipizide
Labeled forAsthmaType 2 diabetes
Boxed warningNoNo
Pharmacy cost (NADAC)$123.51 per unit 0.15 mg auto-injct$0.0339 per tablet 5 mg tablet
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?