Mechanism
How Vilanterol works
Selectively stimulates beta-2 adrenergic receptors causing prolonged bronchodilation through increased intracellular cAMP.
← Respiratory Pharmacology
LABANBRC High Yield4/5 Importance
Vilanterol Respiratory Pharmacology Guide
The complete learning guide for class, mechanism, indications, adverse effects, kinetics, exam traps, and NBRC-style respiratory pharmacology.
Vilanterol is an ultra-long acting beta agonist used in several modern maintenance inhalers including Trelegy, Breo, and Anoro. Students should recognize it as the LABA component within triple therapy and other combination inhalers.
Clinical Pharmacology
Understand the medication before memorizing it
Start with mechanism, clinical pearls, onset, peak, duration, and deeper pharmacology explanations so the rest of the page has context.
Clinical Pearl
What to remember
Trelegy contains Vilanterol as its LABA component.
Kinetics
Onset, peak, and duration
1
Onset
Within minutes
2
Peak
Several hours
3
Duration
Approximately 24 hours
Clinical Practice
How this medication is used at the bedside
Review common indications, expected adverse effects, contraindications, cautions, and safety issues in a clinically useful order.
Quick facts
- Subclass
- LABA
- NBRC importance
- 4/5
- Difficulty
- 3/5
- Brands
- Found in Breo Ellipta, Found in Trelegy Ellipta, Found in Anoro Ellipta
4/5
NBRC importance
14
Study facts
0
Practice questions
2026
Updated
Common indications
- COPD maintenance therapy
- Asthma maintenance therapy when combined with ICS
- Long-term bronchodilator therapy
Adverse effects
- Tachycardia
- Palpitations
- Tremor
- Headache
- Hypokalemia
- Nervousness
Contraindications
- Hypersensitivity to formulation components
Cautions and safety issues
- Not for acute bronchospasm
- Not a rescue inhaler
- Use caution in cardiovascular disease
- Use caution with tachyarrhythmias
RT & NBRC Mastery
Respiratory therapy exam and bedside mastery
Move from reference knowledge into board-style reasoning, adaptive practice, common distractors, and high-yield clinical scenarios.
NBRC-style question
NBRC-style pharmacology review
A patient scenario involves identify the laba component of trelegy. Which medication concept should the respiratory therapy student recognize?
High-yield answer
Trelegy LABA = Vilanterol
Interactive practice
The Adaptive Exam Simulator
Use the complete guide on this page to learn the medication, then switch into the adaptive simulator to test yourself with scored practice, missed-concept review, and NBRC-style clinical reasoning.
ClassPractice
MechanismPractice
Clinical usePractice
Adverse effectsPractice
ScenarioPractice
Common Exam Traps
These are the answer choices, mechanisms, or medication classes most commonly confused with this medication on RT school and NBRC-style exams.
- Salmeterol
- Formoterol
- Albuterol
- Muscarinic antagonist
- Rescue inhaler
High-Yield Clinical Scenarios
- Identify the LABA component of Trelegy
- Identify the LABA component of Breo
- Maintenance COPD therapy
Guidelines
Guideline-based clinical context
Connect medication facts to the larger respiratory care guidelines, disease-state recommendations, and clinical decision frameworks.
Study Tools
Practice, recall, and retention
Use mini cases, flashcards, FAQs, and related concepts to turn the medication page into a high-retention study experience.
Practice Questions
Complete question bank
Work through 0 board-style and clinical reasoning questions for this medication, organized by concept area.
Related study paths
Continue building pharmacology mastery
Use this medication page as a reference, then reinforce it with interactive practice and related PulmTools study resources.