Skip to main content

Two medicines, side by side

Aclidinium vs amiodarone

Aclidinium is labeled for copd; amiodarone has no indication this site maps. Their labels share no use, so they are not alternatives to each other. Drugs@FDA records approvals of aclidinium since 2012 and of amiodarone since 1985. Pharmacies paid $344.55 per unit (Tudorza pressair 400 mcg inhal) and $0.122 per amiodarone HCl 200 mg tablet (NADAC, October 7, 2026); the strengths differ and one is a brand and one a generic, so the two prices are not like for like. In FDA's classes, aclidinium is an anticholinergic and amiodarone an antiarrhythmic.

Check it at the source: the aclidinium FDA label on DailyMed (effective August 1, 2022); the amiodarone FDA label on DailyMed (effective December 9, 2025).

Highlights of the aclidinium record

Aclidinium (Tudorza Pressair) · label of August 1, 2022

Used for

From the label: indications

TUDORZA® PRESSAIR® (aclidinium bromide inhalation powder) is indicated for the maintenance treatment of patients with chronic obstructive pulmonary disease (COPD). TUDORZA PRESSAIR is an anticholinergic indicated for the maintenance treatment of patients with chronic obstructive pulmonary disease (COPD).

On the market

Earliest approval on file
July 23, 2012
Generic labelers
none listed
Pharmacy cost
$344.55 per unit

Supply and safety

Shortage
No current entry
Recalls
0

Highlights of the amiodarone record

Amiodarone (Pacerone) · label of December 9, 2025

Boxed warning

PULMONARY, HEPATIC AND CARDIAC TOXICITY Amiodarone hydrochloride is intended for use only in patients with the indicated life-threatening arrhythmias because its use is accompanied by substantial toxicity [see Indications and Usage (1) ]. Amiodarone hydrochloride can cause pulmonary toxicity (hypersensitivity pneumonitis or interstitial/alveolar pneumonitis) that has resulted in clinically manifest disease at rates as high as 17% in some series of patients.

Used for

From the label: indications

Amiodarone hydrochloride is indicated for the treatment of documented, life-threatening recurrent ventricular fibrillation and life-threatening recurrent hemodynamically unstable tachycardia in adults who have not responded to adequate doses of other available antiarrhythmics or when alternative agents cannot be tolerated. Amiodarone hydrochloride is an antiarrhythmic indicated for: Recurrent ventricular fibrillation. […]

On the market

Earliest approval on file
December 24, 1985
Generic labelers
32 labelers
Pharmacy cost
$0.122 per tablet

Supply and safety

Shortage
No current entry
Recalls
7

Source: FDA drug labels via openFDA (Aclidinium label of August 1, 2022, Amiodarone label of December 9, 2025); NDC Directory, Drugs@FDA, NADAC, FDA shortages and recalls (October 8, 2026)

How do aclidinium and amiodarone differ on the record?

In FDA's classes, aclidinium is an anticholinergic and amiodarone an antiarrhythmic.

How each works, in its label's words: Aclidinium, “It has similar affinity to the subtypes of muscarinic receptors M 1 to M 5 .”; Amiodarone, “Amiodarone is considered a class III antiarrhythmic drug, but it possesses electrophysiologic characteristics of all four Vaughan Williams classes.”

Half-life, in each label's words: Aclidinium, “After dry powder inhalation, urinary excretion of aclidinium is about 0.09% of the dose and the estimated effective …”; Amiodarone, “Elimination Following single dose administration in 12 healthy subjects, amiodarone exhibited multi- compartmental …”

Only the amiodarone label carries a boxed warning.

Generics: aclidinium none approved; amiodarone since 1998 (Drugs@FDA).

AclidiniumAmiodarone
Labeled forCOPDn/a
Pharmacologic classAnticholinergicAntiarrhythmic
How it works (label)Aclidinium bromide is a long-acting antimuscarinic agent, which is often referred to as an anticholinergic. It has similar affinity to the subtypes of muscarinic receptors M 1 to M 5 .Amiodarone is considered a class III antiarrhythmic drug, but it possesses electrophysiologic characteristics of all four Vaughan Williams classes.
Half-life (label)After dry powder inhalation, urinary excretion of aclidinium is about 0.09% of the dose and the estimated effective half-life is 5 to 8 hours.Elimination Following single dose administration in 12 healthy subjects, amiodarone exhibited multi- compartmental pharmacokinetics with a mean apparent plasma terminal elimination half-life of 58 days (range 15 to 142 …
Earliest approval on file (Drugs@FDA)July 23, 2012December 24, 1985
First generic approvednoneApril 30, 1998
Generic labelers (NDC)none listed32 labelers
Pharmacy cost (NADAC, each one's most listed form; strengths differ)$344.55 per unit (Tudorza pressair 400 mcg inhal)$0.122 per tablet (Amiodarone HCl 200 mg tablet)
12-month price changen/a+4%
Boxed warningNoYes
Shortage nowNo current entryNo current entry
Recalls recorded07
FAERS reports (a report is not proof of cause; counts follow how widely a medicine is used)6,37311,139
DEA schedulenonenone

Source: Drugs@FDA, FDA NDC Directory, CMS NADAC of October 7, 2026, FDA shortages and recalls, FAERS via openFDA (FDA files October 8, 2026)

What do the labels say about using others of their kind?

Aclidinium label, drug interactions

Avoid administrations of TUDORZA PRESSAIR with other anticholinergic-containing drugs.

Source: FDA drug labels via openFDA

What next?

Alternatives to aclidinium
every medicine labeled for the same conditions