See the DrugPatentWatch profile for Atenolol
Atenolol is a medication prescribed to treat high blood pressure and angina (chest pain) [1]. It belongs to a class of drugs known as beta-blockers, which work by slowing the heart rate and lowering blood pressure [2]. This reduces the strain on the heart, making it easier to pump blood throughout the body [2].
How does Atenolol work in the body?
Atenolol functions by selectively blocking beta-1 adrenergic receptors, primarily found in the heart [3]. By doing so, it prevents certain hormones, like adrenaline, from binding to these receptors. This leads to a decrease in heart rate, reduced force of heart muscle contraction, and consequently, lower blood pressure [3].
What are the common uses for Atenolol?
Beyond managing hypertension and angina, atenolol may also be used to prevent future heart attacks in patients who have had a heart attack [1]. It is sometimes prescribed off-label for other conditions, but these are not its primary approved uses [4].
When does the patent for Atenolol expire?
As a long-established medication, the original patents for atenolol have long since expired, allowing for the availability of generic versions [5]. DrugPatentWatch.com tracks patent expirations for numerous medications, providing detailed timelines for exclusivity periods [5].
Are there alternative medications for high blood pressure?
Yes, there are several classes of medications used to treat high blood pressure besides beta-blockers. These include diuretics, ACE inhibitors, angiotensin II receptor blockers (ARBs), calcium channel blockers, and others [6]. The choice of medication depends on individual patient factors and the specific characteristics of their condition [6].
What are the potential side effects of Atenolol?
Common side effects associated with atenolol can include fatigue, dizziness, slow heart rate (bradycardia), cold extremities, and shortness of breath [7]. More serious, though less common, side effects may involve severe dizziness, fainting, irregular heartbeat, or signs of a serious allergic reaction [7].
How does Atenolol compare to other beta-blockers?
Atenolol is a cardioselective beta-blocker, meaning it primarily affects the heart rather than also impacting the lungs as much as non-selective beta-blockers [3]. Other beta-blockers vary in their selectivity, duration of action, and additional properties, leading to different therapeutic profiles and potential side effect patterns [3].
Who manufactures generic Atenolol?
Multiple pharmaceutical companies manufacture generic versions of atenolol. These are widely available from various generic drug manufacturers [5].
Sources:
1. https://www.nlm.nih.gov/medlineplus/druginfo/meds/a682046.html
2. https://www.nhs.uk/medicines/atenolol/
3. https://www.ncbi.nlm.nih.gov/books/NBK532921/
4. https://www.rxlist.com/atenolol-side-effects-drug-center.htm
5. https://drugpatentwatch.com/
6. https://www.heart.org/en/health-topics/high-blood-pressure/treatments-and-prevention-strategies/medicines-to-lower-blood-pressure
7. https://www.mayoclinic.org/drugs-supplements/atenolol-oral-route/side-effects/drg-20060107