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Butanefrine (ethylnorepinephrine)

unknown active ✓ Verified Jun 2026

Butanefrine (generic name: ethylnorepinephrine) is a drug. It is currently in unknown development for Acute exacerbation of asthma, Asthma, Asthma management.

Butanefrine works by stimulating the body's natural responses to constrict blood vessels and increase airway resistance.

Butanefrine is a small molecule medication that activates both α and β adrenergic receptors. It is a sympathomimetic and bronchodilator medication related to norepinephrine, sold under various brand names including Etanor, Bronkephrine, and Butanefrine.

At a glance

Generic nameethylnorepinephrine
Therapeutic areaRespiratory
Phaseunknown

Mechanism of action

Imagine your airways are like a narrow road that needs to be widened to let air pass through. Butanefrine helps to constrict the surrounding blood vessels, which reduces blood flow to the area and allows the airway to open up, making it easier to breathe.

Approved indications

Common side effects

No common side effects on file.

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Frequently asked questions about Butanefrine

What is Butanefrine?

Butanefrine (ethylnorepinephrine) is a pharmaceutical drug, indicated for Acute exacerbation of asthma, Asthma, Asthma management.

How does Butanefrine work?

Butanefrine works by stimulating the body's natural responses to constrict blood vessels and increase airway resistance.

What is Butanefrine used for?

Butanefrine is indicated for Acute exacerbation of asthma, Asthma, Asthma management, Bronchiectasis, Bronchitis.

What is the generic name of Butanefrine?

ethylnorepinephrine is the generic (nonproprietary) name of Butanefrine.

What development phase is Butanefrine in?

Butanefrine is in unknown.

Related

Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing