Atenolol 25 mg Slow Release (ME4M) Oral Capsules are specially formulated to provide a controlled and prolonged release of atenolol, a beta-blocker used in the management of hypertension and angina pectoris. By utilizing Methocel E4M, a controlled-release polymer, these capsules ensure a gradual release of the active ingredient, offering sustained therapeutic effects.
This formulation is designed to improve patient compliance by reducing dosing frequency, making it an ideal choice for individuals requiring consistent blood pressure control and angina management. The slow-release mechanism helps maintain stable blood levels of atenolol, enhancing its efficacy in treating these cardiovascular conditions.

Licensed to fill prescriptions for patients in RI, MA, CT, NJ, NH, FL, ME and PA. New York patients are served on a limited basis while nonresident registration is pending.
Atenolol 25 mg Slow Release (ME4M) Oral Capsules are a customized formulation designed to provide a controlled and sustained release of atenolol over an extended period. Atenolol is a beta-1 selective adrenergic receptor blocker commonly used in the management of hypertension (high blood pressure), angina pectoris (chest pain), and certain types of cardiac arrhythmias (irregular heartbeats). By selectively blocking beta-1 adrenergic receptors in the heart, atenolol decreases heart rate and cardiac output, leading to lowered blood pressure and reduced oxygen demand of the heart muscle.
This slow-release formulation utilizes Methocel E4M, a high-viscosity hydroxypropyl methylcellulose polymer. Methocel E4M acts as a controlled-release matrix, allowing the atenolol to be gradually released as the polymer hydrates and swells in the gastrointestinal tract. This mechanism ensures a more consistent plasma concentration of the medication, enhancing therapeutic efficacy while minimizing peak-related side effects. The extended-release profile can improve patient compliance by reducing the dosing frequency, often eliminating the need for multiple daily doses.
For patients, this means a more convenient dosing schedule and potentially better blood pressure control throughout the day and night. Steady medication levels can lead to improved symptom management for conditions like hypertension and angina, reducing the risk of cardiovascular events associated with fluctuating blood pressure or heart rate. Patients should take the capsules whole, without crushing or chewing, to maintain the integrity of the controlled-release system.
Prescribers may find this formulation beneficial for patients who require stable plasma levels of atenolol or have difficulty adhering to multiple dosing schedules. The slow-release capsules can help in achieving optimal therapeutic outcomes, especially in managing chronic conditions that necessitate long-term beta-blocker therapy. It's important to consider individual patient factors such as renal function, as atenolol is primarily excreted by the kidneys, and dosage adjustments may be necessary for patients with renal impairment.
If you have any questions, please reach out to us.
Atenolol 25 mg Slow Release (ME4M) Oral Capsules are designed to provide a controlled and prolonged release of atenolol, a beta-blocker commonly used in the management of hypertension, angina pectoris, and certain arrhythmias. The use of Methocel E4M as a controlled-release polymer allows for sustained therapeutic effects, reduced dosing frequency, and improved patient compliance. However, it is crucial to consider potential drug interactions that may affect the efficacy and safety of this formulation.
Concomitant use of atenolol with other antihypertensive agents, such as calcium channel blockers (e.g., verapamil, diltiazem), can lead to additive effects on blood pressure and heart rate, potentially resulting in hypotension or bradycardia. Patients should be monitored closely, and dose adjustments may be necessary. Additionally, the combination of atenolol with other beta-blockers or antiarrhythmic drugs can increase the risk of adverse cardiovascular effects, necessitating careful consideration and monitoring by healthcare providers.
Nonsteroidal anti-inflammatory drugs (NSAIDs) may reduce the antihypertensive effects of atenolol by inhibiting renal prostaglandin synthesis, leading to sodium and fluid retention. Patients using NSAIDs concurrently with atenolol should be monitored for changes in blood pressure control. Furthermore, the use of atenolol with medications that affect the cytochrome P450 enzyme system, such as cimetidine or certain antidepressants, may alter the metabolism and clearance of atenolol, potentially requiring dose adjustments.
Patients with diabetes should be aware that beta-blockers like atenolol can mask the symptoms of hypoglycemia, such as tachycardia. It is important for diabetic patients to monitor their blood glucose levels regularly and be aware of other signs of low blood sugar. Additionally, atenolol may interact with insulin or oral hypoglycemic agents, necessitating careful monitoring and possible adjustments in therapy.
Alcohol consumption can enhance the hypotensive effects of atenolol, leading to increased risk of dizziness or fainting. Patients should be advised to limit alcohol intake while taking this medication. Moreover, the use of atenolol with other central nervous system depressants, such as sedatives or tranquilizers, can potentiate the sedative effects, requiring caution and monitoring.
It is essential for both patients and prescribers to be aware of these potential drug interactions when considering the use of Atenolol 25 mg Slow Release (ME4M) Oral Capsules. Patients should inform their healthcare providers of all medications they are taking, including over-the-counter drugs and supplements, to ensure safe and appropriate use of this formulation. If you have any questions or concerns regarding drug interactions or the use of this medication, please reach out to us for further assistance.
Atenolol 25 mg Slow Release (ME4M) Oral Capsules are designed to provide a controlled and sustained release of the active ingredient, atenolol, which is a beta-blocker commonly used in the management of cardiovascular conditions such as hypertension, angina pectoris, and certain arrhythmias. The formulation utilizes Methocel E4M, a type of hydroxypropyl methylcellulose (HPMC) polymer, which is specifically engineered to control the release rate of the medication over an extended period. This slow-release mechanism ensures that atenolol is gradually released into the bloodstream, maintaining a consistent therapeutic level and reducing the frequency of dosing required.
The use of Methocel E4M in the formulation is crucial for achieving the desired pharmacokinetic profile. Methocel E4M swells upon contact with gastrointestinal fluids, forming a gel-like matrix that encapsulates the atenolol. This matrix acts as a barrier, controlling the rate at which the drug is released. As the outer layer of the matrix dissolves, atenolol is slowly released, allowing for a steady absorption into the bloodstream. This controlled release not only helps in maintaining stable blood pressure levels but also minimizes the peaks and troughs associated with immediate-release formulations, thereby reducing the risk of side effects and improving overall cardiovascular outcomes.
For patients, the benefits of Atenolol 25 mg Slow Release (ME4M) Oral Capsules include improved adherence to the medication regimen due to the reduced dosing frequency, typically once daily. This can be particularly advantageous for individuals with busy lifestyles or those who have difficulty remembering to take multiple doses throughout the day. Additionally, the sustained release of atenolol helps in providing continuous therapeutic effects, which is essential for managing chronic conditions like hypertension and angina, where consistent blood pressure control is critical.
For prescribers, this formulation offers a reliable option for patients who require a stable and prolonged release of atenolol. It is particularly beneficial for those who may experience fluctuations in blood pressure with immediate-release formulations or for those who have experienced side effects due to peak plasma concentrations. The slow-release mechanism also allows for a more predictable pharmacodynamic response, making it easier to tailor treatment plans to individual patient needs.
Overall, Atenolol 25 mg Slow Release (ME4M) Oral Capsules provide a sophisticated approach to managing cardiovascular conditions, leveraging advanced polymer technology to enhance patient outcomes. If you have any questions or require further information about this formulation, please do not hesitate to reach out to us at Bayview Pharmacy. We are here to assist both patients and healthcare providers in optimizing therapeutic regimens.
Atenolol 25 mg Slow Release (ME4M) Oral Capsules, formulated with Methocel E4M, are primarily used for managing hypertension and angina pectoris. However, this formulation may have other potential uses that could benefit patients and prescribers seeking alternative therapeutic options. The slow-release mechanism of these capsules allows for a steady release of atenolol, which can be advantageous in managing conditions that benefit from consistent plasma levels of the medication. One such potential use is in the management of certain types of arrhythmias, where maintaining a stable heart rate is crucial. The controlled release can help in reducing the frequency of dosing, which is particularly beneficial for patients who may have difficulty adhering to a more frequent dosing schedule.
Additionally, atenolol's ability to reduce heart rate and myocardial oxygen demand can be useful in off-label applications such as the prevention of migraine headaches. Some studies suggest that beta-blockers like atenolol can help in reducing the frequency and severity of migraines, and the slow-release formulation may enhance patient compliance by simplifying the dosing regimen. Furthermore, atenolol may be considered in the management of anxiety-related symptoms, particularly those associated with physical manifestations such as palpitations and tremors. The gradual release of the medication can provide a more consistent therapeutic effect, potentially improving outcomes for patients with anxiety disorders.
For prescribers, it is important to consider the pharmacokinetic profile of the slow-release formulation when determining its suitability for off-label uses. The extended-release nature of the Methocel E4M capsules ensures a prolonged therapeutic effect, which can be particularly beneficial in chronic conditions requiring long-term management. However, prescribers should carefully evaluate the individual needs of each patient, considering factors such as comorbidities, concurrent medications, and overall treatment goals. As with any off-label use, it is essential to monitor patients closely for efficacy and any potential adverse effects.
Patients considering the use of Atenolol 25 mg Slow Release (ME4M) Oral Capsules for conditions beyond hypertension and angina should have a thorough discussion with their healthcare provider to understand the potential benefits and risks. It is crucial to follow the prescribed dosing regimen and report any unusual symptoms or side effects to their healthcare provider promptly. If you have any questions or need further information about this formulation, please reach out to us at Bayview Pharmacy. We are here to assist both patients and prescribers in making informed decisions about their healthcare options.
Atenolol 25 mg Slow Release (ME4M) Oral Capsules are a compounded formulation designed to release the medication gradually over an extended period, providing sustained therapeutic effects and improved patient compliance.
The capsules use Methocel E4M, a controlled-release polymer, which allows the medication to be released slowly and steadily over time, reducing the frequency of dosing required.
The slow-release formulation offers sustained therapeutic effects, reduces the need for frequent dosing, and improves patient compliance by maintaining consistent medication levels in the body.
Patients who require a controlled and prolonged release of Atenolol for managing conditions such as hypertension or angina can benefit from this formulation.
These capsules should be taken as prescribed by your healthcare provider, typically once daily, to ensure a consistent release of medication throughout the day.
No, you should not open the capsule. The slow-release mechanism is designed to work with the capsule intact, ensuring proper release and absorption of the medication.
As with any medication, side effects are possible. Common side effects may include dizziness, fatigue, or cold extremities. Consult your healthcare provider if you experience any adverse effects.
It is important to inform your healthcare provider of all medications you are taking, as Atenolol may interact with other drugs. Your provider will advise you on any necessary adjustments.
If you miss a dose, take it as soon as you remember. If it is almost time for your next dose, skip the missed dose and continue with your regular schedule. Do not double the dose.
Store the capsules at room temperature, away from moisture and heat, in their original container. Keep them out of reach of children and pets.
This formulation is compounded by Bayview Pharmacy on a prescriber's order for an individual patient. It is not an FDA-approved drug product, and the FDA has not evaluated it for safety, effectiveness, or manufacturing quality.
The conditions listed on this page are indications prescribers have ordered this preparation for. They are not FDA-approved indications, and listing them is not a statement that this preparation is effective for them.
A valid prescription is required. Availability depends on Bayview's licensure in your state. This page is general information, not medical advice — discuss your situation with a licensed healthcare provider.
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Compounded preparations have no NDC, so this formula will not appear in your EHR's drug search. Use your system's compound, non-formulary, or free-text prescription entry and name the preparation exactly as written in step 3. If your EHR forces you to pick a listed drug, pick the closest entry for the active ingredient and put the full formula in the prescription body (the Sig or directions field), not in Notes to Pharmacy.
Compounded preparations have no NDC and will not appear in your drug search. For EPCS to validate, select a drug entry your EHR recognizes as controlled, usually the bulk powder entry for the active ingredient (for example Ketamine (bulk) powder, not a branded product), then put the full formula from step 3 in the prescription body. A free-text entry that does not validate as controlled will be rejected by your EPCS module.
Quantity and directions are starting points for this dose form, not treatment recommendations. Dosing remains the prescriber's responsibility.
Transmit from your EHR. For this non-controlled preparation we also accept fax to (401) 284-4506 and phoned orders at (401) 284-4505. Order forms are on the formulation pages and in the prescriber portal.
Transmit with two-factor authentication through your EPCS-enabled EHR. No order form is offered for this preparation; e-prescribing guides for our controlled preparations are on the formulation pages.
Licensed to dispense in RI, MA, CT, NJ, NH, FL, ME, and PA; New York is served on a limited basis while nonresident registration is pending. Compounded preparations are not FDA-approved. A valid prescription is required. Full guide, including steps by EHR: How to e-prescribe to Bayview. Questions about this formula: call (401) 284-4505.
Take 1 capsule by mouth