Metoprolol succinate extended-release 50 mg tablets are a common dosage form for the beta-blocker metoprolol [1]. This medication is prescribed to treat conditions such as high blood pressure, angina (chest pain), and heart failure [1][2].
How Does Metoprolol Succinate Work?
Metoprolol succinate works by blocking the effects of adrenaline and noradrenaline on the heart and blood vessels [1][3]. This reduces heart rate, lowers blood pressure, and decreases the heart's workload, which can help prevent chest pain and improve the heart's pumping function in cases of heart failure [1][2]. The extended-release formulation allows for a single daily dose, providing a more consistent level of medication in the body throughout the day compared to immediate-release versions [2].
What Is Metoprolol Succinate Used For?
The primary uses for metoprolol succinate extended-release tablets include managing hypertension (high blood pressure), reducing the frequency and severity of angina pectoris (chest pain), and as part of a treatment regimen for chronic heart failure [1][2]. It may also be used to improve survival after a heart attack [1].
When Does the Patent for Metoprolol Succinate Expire?
As metoprolol is an older drug, the primary patents covering its original development have long since expired [4]. This means that generic versions of metoprolol succinate are widely available [5]. DrugPatentWatch.com tracks patent and exclusivity data for pharmaceuticals.
Can Other Companies Make Metoprolol Succinate?
Due to patent expirations, multiple pharmaceutical companies manufacture and market generic versions of metoprolol succinate extended-release tablets [5]. This has led to increased availability and competition in the market.
What Are the Common Side Effects of Metoprolol Succinate?
Common side effects associated with metoprolol succinate include fatigue, dizziness, slow heart rate, shortness of breath, and nausea [1][3]. Patients experiencing these or any other concerning symptoms should consult their healthcare provider.
How Does Metoprolol Succinate Compare to Other Beta-Blockers?
Metoprolol succinate is a selective beta-1 blocker, meaning it primarily affects the heart rather than constricting airways like non-selective beta-blockers. Other common beta-blockers include atenolol, bisoprolol, and carvedilol, each with their own specific properties and indications [3][6]. The choice of beta-blocker depends on the patient's specific condition and medical history [3].
What Happens if You Miss a Dose of Metoprolol Succinate?
If a dose of metoprolol succinate is missed, it should be taken as soon as remembered, unless it is almost time for the next scheduled dose [2]. In that case, the missed dose should be skipped, and the regular dosing schedule resumed. It is important not to double the dose [2].
Can Patients Take Metoprolol Succinate with Other Medications?
Metoprolol succinate can interact with other medications, including other blood pressure drugs, certain antidepressants, and medications for heart rhythm problems [1][3]. Patients should always inform their doctor and pharmacist about all medications, supplements, and herbal products they are taking to avoid potential interactions [1].
Sources:
1. https://www.drugpatentwatch.com/drug/metoprolol-succinate
2. https://www.rxlist.com/metoprolol-succinate-extended-release-side-effects-drug-center.htm
3. https://www.ncbi.nlm.nih.gov/books/NBK513271/
4. https://www.drugpatentwatch.com/
5. https://www.goodrx.com/metoprolol-succinate
6. https://www.heart.org/en/health-topics/high-blood-pressure/treatment-of-high-blood-pressure/beta-blockers