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What the FDA labels say about taking them together

Dopamine and nortriptyline

Dopamine's FDA label of May 12, 2026 names nortriptyline in its drug interactions section; the nortriptyline label PlainMeds reads does not name dopamine.

Check it at the source: the dopamine FDA label on DailyMed (effective May 12, 2026, Hospira, Inc.); the nortriptyline FDA label on DailyMed (effective December 4, 2024).

What does the dopamine label say about nortriptyline?

Dopamine label, drug interactions

Tricyclic Antidepressants Clinical Impact: Concomitant use may potentiate the cardiovascular effects of dopamine (e.g., hypertension). Intervention: Monitor blood pressure. Examples: amitriptyline, desipramine, doxepin, imipramine, nortriptyline.

Source: FDA drug label (Dopamine Hydrochloride in Dextrose), Hospira, Inc., effective May 12, 2026 (SPL set 08f23f6e-150d-45ea-098e-f2edf64c21a1), via openFDA; the full label on DailyMed

What does the nortriptyline label say about dopamine?

Nortriptyline's label (effective December 4, 2024) does not name dopamine in these sections. A label lists what its studies and reports found; it is not a complete list.

Source: FDA drug label (PAMELOR), SpecGx LLC, effective December 4, 2024 (SPL set e17dc299-f52d-414d-ab6e-e809bd6f8acb), 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

4Dopamine generic labelers
25Nortriptyline generic labelers
DopamineNortriptyline
Labeled forn/aDepression
Boxed warningNoYes
Pharmacy cost (NADAC)n/a$0.113 per capsule 10 mg capsule
Shortage nowIn shortageNo 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?