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What the FDA labels say about taking them together

Clonidine and nebivolol

Nebivolol's FDA label of August 1, 2024 names clonidine in its drug interactions section; clonidine's label does not name nebivolol itself but warns about its class (Beta blockers). The nebivolol label: “DRUG INTERACTIONS CYP2D6 enzyme inhibitors may increase nebivolol levels. Reserpine or clonidine may produce excessive reduction of sympathetic activity. …”

Check it at the source: the clonidine FDA label on DailyMed (effective March 30, 2026, Unichem Pharmaceuticals (USA), Inc.); the nebivolol FDA label on DailyMed (effective August 1, 2024, Allergan, Inc.).

What does the clonidine label say about nebivolol?

Clonidine's label does not name nebivolol itself; it warns about its class (Beta blockers):

Clonidine label, drug interactions

Monitor heart rate in patients receiving clonidine concomitantly with agents known to affect sinus node function or AV nodal conduction, e.g. , digitalis, calcium channel blockers and beta-blockers.

Clonidine label, warnings

The likelihood of such reactions to discontinuation of clonidine therapy appears to be greater after administration of higher doses or continuation of concomitant beta-blocker treatment and special caution is therefore advised in these situations.

Source: FDA drug label (clonidine hydrochloride), Unichem Pharmaceuticals (USA), Inc., effective March 30, 2026 (SPL set 21bfa28f-20df-43fd-bb80-b720d3b40696), via openFDA; the full label on DailyMed

What does the nebivolol label say about clonidine?

Nebivolol label, drug interactions

DRUG INTERACTIONS CYP2D6 enzyme inhibitors may increase nebivolol levels. ( 7.1 ) Reserpine or clonidine may produce excessive reduction of sympathetic activity. ( 7.2 ) Both digitalis glycosides and β-blockers slow atrioventricular conduction and decrease heart rate.

Source: FDA drug label (Bystolic), Allergan, Inc., effective August 1, 2024 (SPL set 8b8ad213-1dc8-454e-a524-075685c0e1a8), 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

43Clonidine generic labelers
23Nebivolol generic labelers
ClonidineNebivolol
Labeled forHigh blood pressure, ADHD, PainHigh blood pressure
Boxed warningNoNo
Pharmacy cost (NADAC)$0.0241 per tablet 0.1 mg tablet$0.141 per tablet 10 mg tablet
Shortage nowNo current entryA presentation being discontinued

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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