Skip to main content

What the FDA labels say about taking them together

Ergotamine and propranolol

Ergotamine's FDA label of February 25, 2025 names propranolol in its drug interactions section; the propranolol labels PlainMeds reads (4) do not name ergotamine.

Check it at the source: the ergotamine FDA label on DailyMed (effective February 25, 2025, Pangea Pharmaceuticals LLC); the propranolol FDA label on DailyMed (effective January 15, 2026, Mylan Pharmaceuticals Inc.).

What does the ergotamine label say about propranolol?

Ergotamine label, drug interactions

The beta-blocker Inderal (propranolol) has been reported to potentiate the vasoconstrictive action of ergotamine by blocking the vasodilating property of epinephrine.

Source: FDA drug label (Ergomar Sublingual), Pangea Pharmaceuticals LLC, effective February 25, 2025 (SPL set a9582fdb-7ddd-4f69-aa7a-66247cdb8c92), via openFDA; the full label on DailyMed

What does the propranolol label say about ergotamine?

Propranolol's label (effective January 15, 2026) and its 3 other brand-application labels do not name ergotamine in these sections. A label lists what its studies and reports found; it is not a complete list.

Source: FDA drug label (Propranolol Hydrochloride), Mylan Pharmaceuticals Inc., effective January 15, 2026 (SPL set b94dcec7-7633-4a33-9cea-48161adeaf93), 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

1Ergotamine generic labelers
42Propranolol generic labelers
ErgotaminePropranolol
Labeled forn/aHigh blood pressure, Angina, Atrial fibrillation, Migraine
Boxed warningYesNo
Pharmacy cost (NADAC)$43.46 per tablet 2 mg tablet sublingual$0.0493 per tablet 20 mg tablet
Shortage nowNo current entryIn shortage

Source: FDA NDC Directory, CMS NADAC of October 7, 2026 and the FDA Drug Shortage Database (FDA files October 8, 2026)

What next?