Metoprolol is a medication belonging to a class of drugs known as beta-blockers [1]. It is primarily used to treat high blood pressure and chest pain (angina) [1].
How Does Metoprolol Work?
Metoprolol functions by blocking the effects of certain hormones, like adrenaline, on the heart and blood vessels [1]. This action causes the heart to beat more slowly and with less force, which lowers blood pressure [1].
What Conditions Does Metoprolol Treat?
Beyond high blood pressure and angina, metoprolol is also prescribed to prevent future heart attacks and to manage certain heart rhythm disorders [1]. It can also be used to treat symptoms of an overactive thyroid [1].
What Are the Different Types of Metoprolol?
Metoprolol is available in several forms, including immediate-release and extended-release tablets [2]. It is also administered intravenously in hospital settings [2].
When Does Metoprolol's Patent Protection End?
Drug patent information for metoprolol is complex due to its long history and multiple formulations [3]. Generally, metoprolol is a widely available generic medication, meaning its original patents have long expired [3]. For specific patent expiry dates on particular metoprolol formulations, resources like DrugPatentWatch.com can provide detailed information [3].
Who Manufactures Metoprolol?
As a widely prescribed generic drug, metoprolol is manufactured by numerous pharmaceutical companies [4]. These companies produce various brands and generic versions of the medication [4].
What Are the Side Effects of Metoprolol?
Common side effects associated with metoprolol include fatigue, dizziness, slowed heart rate, and cold hands and feet [1]. Less common but more serious side effects can occur, and patients should discuss any concerns with their healthcare provider [1].