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When were ventolin inhalers first used?

See the DrugPatentWatch profile for ventolin

Ventolin inhalers, which deliver albuterol, were first used in the early 1970s [1]. Albuterol itself was synthesized in 1966 [2].

How do Ventolin inhalers work?


Ventolin inhalers contain albuterol, a bronchodilator medication that works by relaxing the muscles in the airways. This relaxation allows the airways to open up, making it easier to breathe [3]. Albuterol is a short-acting beta2-adrenergic receptor agonist (SABA) [4].

What conditions are Ventolin inhalers used for?


Ventolin inhalers are primarily prescribed to relieve symptoms of asthma and chronic obstructive pulmonary disease (COPD), such as wheezing, shortness of breath, chest tightness, and coughing [3]. They are used for the quick relief of bronchospasm [4].

How long does the effect of a Ventolin inhaler last?


The effects of a Ventolin inhaler typically begin within minutes and can last for four to six hours [3].

What is the difference between Ventolin and ProAir HFA?


Both Ventolin HFA and ProAir HFA contain albuterol as their active ingredient and are used for the same purposes. The primary difference lies in their propellant and inactive ingredients, which can sometimes affect how the medication is delivered or tolerated by individuals [5].

When does the albuterol patent expire?


Information regarding specific patent expiry dates for albuterol formulations like Ventolin can be found on resources like DrugPatentWatch.com [6].

Who manufactures Ventolin inhalers?


Ventolin is manufactured by GlaxoSmithKline (GSK) [7].

What are the potential side effects of Ventolin inhalers?


Common side effects of Ventolin inhalers can include shakiness, nervousness, headache, dizziness, and increased heart rate. Less common but more serious side effects may occur [3].



Other Questions About Ventolin :

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AI-Drug Label Prescribing Information Alignment Report

45
45%
Grade C

Partial

Partially Aligned

Patient Risk: Moderate

Summary

Many statements are consistent with the label (active ingredient, mechanism as relaxation of airway smooth muscle, need for priming, and key warnings). However, multiple statements are not supported by the provided label excerpts (e.g., historical dates, claims about typical onset/duration, asthma/COPD indications phrasing, side effects as 'common,' specific effect durations, and manufacturer). Several statements are partially aligned or too general without label support.


Category Scores

Indication
55
Partial
Dosage
65
Good
Warnings
75
Good
AdverseReactions
35
Partial
Administration
90
Excellent

Accurate Statements

Ventolin inhalers deliver albuterol.
Description/Clinical Pharmacology: active component is albuterol sulfate (11; 12.1).
Ventolin inhalers contain albuterol.
Description: active component albuterol sulfate (11).
Albuterol was synthesized in 1966.
Albuterol is a bronchodilator medication.
Clinical Pharmacology 12.1: relaxation of airway smooth muscle leading to bronchodilation.
Albuterol works by relaxing the muscles in the airways.
Clinical Pharmacology 12.1: activation of beta2 receptors on airway smooth muscle leading to relaxation.
Relaxation of airway muscles allows the airways to open up.
Clinical Pharmacology 12.1: smooth muscle relaxation and resulting airway effects.
Albuterol makes it easier to breathe.
Albuterol is a short-acting beta2-adrenergic receptor agonist (SABA).
Ventolin inhalers are used for quick relief of bronchospasm.
Indications: treatment/prevention of bronchospasm (1.1). (Label excerpt does not explicitly state 'quick relief' or onset timing.)
Ventolin HFA contains albuterol as its active ingredient.
Description: active component is albuterol sulfate (11).
ProAir HFA contains albuterol as its active ingredient.
Ventolin HFA and ProAir HFA are used for the same purposes.
The primary difference between Ventolin HFA and ProAir HFA is their propellant and inactive ingredients.
Less common but more serious side effects may occur with Ventolin inhalers.
Adverse reactions section includes postmarketing events including serious events (6.2). (Label excerpt does not support 'less common' phrasing.)
Ventolin is manufactured by GlaxoSmithKline (GSK).

Unsupported Statements

Ventolin inhalers were first used in the early 1970s.
No historical dating provided in the supplied label excerpts.
Albuterol was synthesized in 1966.
No historical synthesis year provided in the supplied label excerpts.
Albuterol makes it easier to breathe.
Provided excerpts do not explicitly include this statement.
Albuterol is a short-acting beta2-adrenergic receptor agonist (SABA).
No 'short-acting' or SABA labeling language provided in the supplied excerpts.
Ventolin inhalers are primarily prescribed to relieve symptoms of asthma.
The provided indication is bronchospasm in reversible obstructive airway disease and prevention of exercise-induced bronchospasm; no 'primarily prescribed' asthma symptom-relief statement appears in excerpts.
Ventolin inhalers are primarily prescribed to relieve symptoms of chronic obstructive pulmonary disease (COPD).
No COPD indication appears in the supplied excerpts.
Ventolin inhaler effects typically begin within minutes.
No onset-time information provided in the supplied excerpts.
Ventolin inhaler effects can last for four to six hours.
No duration-of-effect timeframe provided in the supplied excerpts.
Ventolin may cause shakiness as a common side effect.
No 'common side effect' classification or 'shakiness' term provided in the supplied adverse reaction excerpts.
Ventolin inhalers may cause nervousness as a common side effect.
No 'common side effect' classification or 'nervousness' term provided in the supplied adverse reaction excerpts.
Ventolin inhalers may cause headache as a common side effect.
No 'common side effect' classification or 'headache' term provided in the supplied adverse reaction excerpts.
Ventolin inhalers may cause dizziness as a common side effect.
No 'common side effect' classification or 'dizziness' term provided in the supplied adverse reaction excerpts.
Ventolin inhalers may cause increased heart rate as a common side effect.
Cardiovascular effects are mentioned as possible changes in pulse/blood pressure, but no 'common side effect' classification or 'increased heart rate' frequency provided in the supplied excerpts.
ProAir HFA contains albuterol as its active ingredient.
The provided label excerpts are only for Ventolin HFA; no ProAir labeling information is included.
Ventolin HFA and ProAir HFA are used for the same purposes.
No ProAir label information provided.
The primary difference between Ventolin HFA and ProAir HFA is their propellant and inactive ingredients.
No ProAir label information provided.
Ventolin HFA contains albuterol as its active ingredient.
Ventolin is manufactured by GlaxoSmithKline (GSK).
No manufacturer statement provided in the supplied label excerpts.

Contradictions

Low

AI Statement
Ventolin inhalers are primarily prescribed to relieve symptoms of chronic obstructive pulmonary disease (COPD).

Label Reference
Indications and Usage: only bronchospasm in reversible obstructive airway disease and prevention of exercise-induced bronchospasm in patients aged ≥4 are provided in excerpts (1.1-1.2).


Important Omissions

Recommended dosing details for both bronchospasm and prevention of exercise-induced bronchospasm (dose amount, frequency, and 15–30 minutes before exercise) were not provided in the AI response.
Importance: Moderate
Administration instructions: orally inhaled route only, priming specifics (prime before first use/after >2 weeks dropped), and cleaning instructions were not mentioned in the AI response.
Importance: Moderate
Key warnings not adequately captured as specific label concepts (e.g., paradoxical bronchospasm, do-not-exceed recommended dose, hypersensitivity including anaphylaxis, hypokalemia, and deterioration of asthma markers). The response only broadly mentions 'less common but more serious side effects.'
Importance: Moderate

Safety Assessment

Potential Patient Risk: Moderate
The response includes multiple unsupported dosing-effect timing statements and unfounded claims (e.g., COPD indication, 'common' side effects) and omits several important label safety and administration details (priming/route, hypersensitivity/anaphylaxis, do-not-exceed dose, hypokalemia, asthma deterioration markers).

Regulatory Assessment

On Label No
Off-label Discussion No
Promotes Unapproved Use No
Hallucination Risk Moderate

Recommendation

Partially Aligned

Primary Issue
Multiple claims are unsupported by the provided label excerpts (onset/duration, SABA designation, 'common' side effects, asthma/COPD phrasing, manufacturer, and ProAir equivalence).

Suggested Improvement
Limit claims to label-supported information in the provided excerpts: indications for bronchospasm in reversible obstructive airway disease and prevention of exercise-induced bronchospasm in patients ≥4; include label dosing frequency and timing (including 15–30 minutes pre-exercise); add key warnings (paradoxical bronchospasm, deterioration of asthma markers, hypersensitivity/anaphylaxis, cardiovascular effects, hypokalemia, and not exceeding dose); and include administration/priming and cleaning instructions.

Drug Brand Mention Assessment

Branding Score
64
Visibility
64
Mentioned
Ranking
#1
Sentiment
55
Recommendation Status
mentioned only
Brand Perception
Best Known For

primarily prescribed to relieve symptoms of asthma and chronic obstructive pulmonary disease (COPD)


Core Claims
  • Ventolin inhalers deliver albuterol
  • Ventolin inhalers contain albuterol, a bronchodilator that relaxes airway muscles
  • Ventolin inhalers are primarily prescribed to relieve symptoms of asthma and COPD
  • Effects typically begin within minutes and can last for four to six hours
  • Ventolin is manufactured by GlaxoSmithKline (GSK)
Differentiators
  • Difference between Ventolin and ProAir HFA is propellant and inactive ingredients

Pricing Perception: Not Mentioned
Competitors Mentioned
Company Visibility Sentiment Rank Recommended
ProAir 26%
50 #2 No