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Hylorel
Guanadrel is a medication used for treating high blood pressure. It's no longer available in the United States because it was discontinued.
Last reviewed on June 29, 2022
What is Guanadrel?
What is Guanadrel used for?
High blood pressure
How Guanadrel works
Are you looking for information on guanfacine or guaifenesin (Mucinex) instead?
Drug Facts
Common BrandsHylorel (brand no longer available)
Drug ClassAdrenergic blocker
Controlled Substance ClassificationNot a controlled medication
Generic StatusNo lower-cost generic available
AvailabilityDiscontinued
Frequently asked questions about Guanadrel
What is guanadrel?
Guanadrel is an adrenergic blocker that's used to treat high blood pressure. It works by preventing the release of certain chemicals that normally make your blood vessels tighten. By blocking this release, guanadrel causes your blood vessels to open up, which lowers your blood pressure.
Is guanadrel still available?
No, guanadrel has been discontinued and is no longer available in the United States. It's not exactly clear why it was discontinued.
Are there currently available medications that are used in place of guanadrel?
Yes, there are several available medications used to treat high blood pressure that are commonly used today. Examples include ACE inhibitors (e.g., lisinopril (Zestril)) and beta blockers (e.g., metoprolol (Lopressor)).
How to save using GoodRx
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What are alternatives to Guanadrel?
There are a number of medications that your doctor can prescribe in place of Guanadrel. Compare a few possible alternatives below.
Used for:
High blood pressure
Heart failure
Lower the risk for death after a heart attack
Used for:
Chest pain (angina)
Lower risk of death after heart attack
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