Moclobemide
Severe
Textbook
Increased risk of adverse cardiovascular effects.
At least 2 weeks should elapse between the use of MAO inhibitors and administration of β2 agonists or other sympathomimetics.
Source: G&G 14e · p264
Drug reference
arformoterol
Selective LABA (enantiomer of formoterol) · Bronchodilator
Selective LABA (enantiomer of formoterol)BronchodilatorATC R03AC12
CDSCO approvedATC R03AC12
EXCRETION
—
not curated
INTERACTIONS
12 major
SEVERE in our sources
PREGNANCY
—
not curated
Top interactionssee all 12 →
- MoclobemideSevereTextbookG&G 14e · p264
- CarteololSevereDatabaseDDInter
- CarvedilolSevereDatabaseDDInter
- LabetalolSevereDatabaseDDInter
Mechanism
Arformoterol is a selective LABA (R,R-enantiomer of formoterol) that relaxes bronchial smooth muscle, leading to prolonged bronchodilation.
Indications
long-term treatment of bronchoconstriction in patients with COPD (including chronic bronchitis and emphysema)COPD
Pharmacokinetics
Peak effect
plasma levels reaching a peak in 0.25 to 1 h
Metabolism
primarily by direct conjugation to glucuronide or sulfate conjugates; secondarily by O-demethylation by CYP2D6 and CYP2C19
Contraindications
- monotherapy for acute attacks of bronchospasm
- acute asthma symptoms
Side effects
Common
Muscle tremorTachycardiaPalpitations
Serious
- increased risk of fatal or near-fatal asthmatic attacks (when added to usual therapy without inhaled corticosteroid)
- Hypokalemia
- Ventilation-perfusion (V/Q) mismatch (fall in arterial oxygen tension)
- Metabolic effects (increase in free fatty acid, insulin, glucose, pyruvate, and lactate)
- Life-threatening and fatal asthma exacerbations (if used alone in asthma)
Drug interactions
Carteolol
Severe
Database
Drug interaction classified as: antagonism
Source: DDInter
Carvedilol
Severe
Database
Drug interaction classified as: antagonism.
Source: DDInter
Labetalol
Severe
Database
Drug interaction classified as: antagonism
Source: DDInter
Levobunolol
Severe
Database
Drug interaction classified as: antagonism
Source: DDInter
Macimorelin
Severe
Database
Drug interaction classified as: synergy
Source: DDInter
Metipranolol
Severe
Database
Drug interaction classified as: antagonism
Source: DDInter
Nadolol
Severe
Database
Drug interaction classified as: antagonism
Source: DDInter
Ozanimod
Severe
Database
Drug interaction classified as: synergy
Source: DDInter
Penbutolol
Severe
Database
Drug interaction classified as: antagonism
Source: DDInter
Pindolol
Severe
Database
Drug interaction classified as: antagonism
Source: DDInter
Propranolol
Severe
Database
Drug interaction classified as: antagonism
Source: DDInter
Related guidelines
Ask House about arformoterol
Continue into a citation-backed clinical answer with the drug context already attached.
Sources: Goodman & Gilman 14e·Verified: 2026-05-10 · House clinical team