Clenbuterol Hydrochloride
Clenbuterol Hydrochloride is a beta-2 adrenergic agonist medication that primarily acts as a bronchodilator to relax airway smooth muscle. It is prescribed in some countries for respiratory conditions like asthma and COPD, though it is not approved for human use in the United States.
Clenbuterol is a bronchodilator medication used to treat respiratory conditions by relaxing airways, though it remains unapproved for human use in the US.
Key facts at a glance
- RxNorm
- 235955
- Generic
- Clenbuterol Hydrochloride
- Class
- pin-variant
- Brands
- Ventipulmin
- Availability
- rx
- Lactation
- unknown
- Routes
- —
- Forms
- —
- Regions
- US, EU, CN, JP
- Monitoring
- —
This page is for informational purposes only.
Do not use this information to diagnose yourself or to replace a physician's advice. Always consult a qualified healthcare provider before starting, stopping, or changing any medication. If you believe you are experiencing a medical emergency, call your local emergency number immediately.
Treats bronchospasm associated with asthma, COPD, and other respiratory conditions. Off-label use has been reported for weight loss and performance enhancement, though this is not an approved indication.
Acts as a beta-2 adrenergic receptor agonist, stimulating these receptors in bronchial smooth muscle to cause bronchodilation. This relaxes the airways and improves airflow. May also have mild anabolic properties.
Common side effects include tremor, tachycardia, headaches, and hypokalemia. Has a long half-life leading to prolonged effects. Cardiovascular risks are significant, particularly at higher doses. Not approved by the FDA for human use in the United States. Should only be used under medical supervision where legally permitted.
Official drug label
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 25, 2026. · Read our editorial policy