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Levothyroxine Sodium 25 mcg/Liothyronine 12.5 mcg Oral Slow Release (MEM4) Capsules

Our Levothyroxine Sodium 25 mcg/Liothyronine 12.5 mcg Oral Slow Release (MEM4) Capsules are expertly crafted to manage thyroid hormone deficiency, also known as hypothyroidism. This formulation is also used in the treatment of certain types of thyroid tumors and as a diagnostic agent in suppression tests to differentiate suspected mild hyperthyroidism or thyroid gland autonomy. Each capsule contains a precise combination of Levothyroxine and Liothyronine in a slow-release matrix using Methocel E4M, ensuring a controlled and steady release of the hormones into the body.

The incorporation of Methocel E4M, a high-quality controlled-release polymer, allows for a gradual release of the active ingredients, maintaining consistent hormone levels throughout the day. This reduces the need for multiple daily doses, enhancing patient adherence to the treatment regimen. The slow-release formulation is designed to mimic the body's natural hormone release, providing a more physiological approach to thyroid hormone replacement therapy.

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Levothyroxine Sodium
Liothyronine Sodium
Slow Release Capsules
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Formula Information

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Levothyroxine Sodium and Liothyronine are synthetic forms of the thyroid hormones thyroxine (T4) and triiodothyronine (T3), respectively. These hormones are essential for the regulation of metabolism and energy production in the body. The combination of Levothyroxine Sodium 25 mcg and Liothyronine 12.5 mcg in an Oral Slow Release (MEM4) Capsule formulation is designed to treat hypothyroidism, a condition where the thyroid gland does not produce enough thyroid hormones. This condition can lead to symptoms such as fatigue, weight gain, cold intolerance, and depression. By providing both T4 and T3, this formulation can help in normalizing thyroid hormone levels, thereby improving metabolic function and alleviating symptoms associated with hypothyroidism.

The use of Methocel E4M, a hydrophilic methylcellulose polymer, in these capsules allows for a controlled and sustained release of the active ingredients. This slow-release mechanism ensures a steady absorption of the hormones into the bloodstream, mimicking the body's natural release of thyroid hormones. This can result in a more stable hormone level throughout the day, which may reduce the potential for peaks and troughs in hormone levels that can be associated with immediate-release formulations. The controlled release also means that patients may only need to take their medication once a day, which can significantly improve adherence to the treatment regimen.

For prescribers, it is important to note that the dosing of thyroid hormones must be individualized based on patient-specific factors such as age, weight, cardiovascular status, and the presence of other medical conditions. Regular monitoring of thyroid function tests is recommended to ensure the dose of Levothyroxine Sodium and Liothyronine is optimal. Adjustments to the dose should be made based on clinical response and laboratory findings. As with any medication, there may be potential interactions with other drugs, so a thorough medication review is advised before initiating therapy with this formulation.

Patients should be counseled on the importance of taking this medication consistently at the same time each day and not to discontinue the medication without consulting their healthcare provider. They should also be made aware of the potential side effects, which may include symptoms of hyperthyroidism such as palpitations, nervousness, and insomnia, especially if the dose is too high. It is also important for patients to understand that it may take several weeks to notice an improvement in symptoms after starting treatment with thyroid hormones.

If you have any questions or require further information about this formulation, please do not hesitate to reach out to us at Bayview Pharmacy. Our team of compounding pharmacists is dedicated to providing the highest quality of care and is available to assist with any inquiries regarding the formulation, dosing, administration, and monitoring of Levothyroxine Sodium and Liothyronine Oral Slow Release (MEM4) Capsules.

Drug Interactions

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Levothyroxine sodium and liothyronine are synthetic forms of thyroid hormones used to treat hypothyroidism, a condition where the thyroid gland does not produce enough thyroid hormones. Levothyroxine is a synthetic version of thyroxine (T4), while liothyronine is a synthetic form of triiodothyronine (T3). These hormones are vital for maintaining the body's metabolism, and their deficiency can lead to symptoms such as fatigue, weight gain, and depression. The combination of levothyroxine and liothyronine in a slow-release capsule aims to provide a steady state of thyroid hormones, mimicking the natural secretion pattern of the thyroid gland.

When considering the drug interactions for this formulation, it is important to note that thyroid hormones can interact with a wide range of medications. Certain drugs may affect the absorption of levothyroxine and liothyronine from the gastrointestinal tract. For example, antacids, calcium carbonate, and iron supplements can bind to thyroid hormones, reducing their absorption and efficacy. Patients should be advised to take these supplements at least 4 hours before or after the thyroid medication to minimize interaction.

Other medications, such as proton pump inhibitors (PPIs) and histamine H2 receptor antagonists, may decrease stomach acid, potentially affecting the absorption of thyroid hormones. Additionally, medications such as sucralfate, cholestyramine, and colestipol can also interfere with thyroid hormone absorption. It is important for prescribers to monitor thyroid function tests and adjust the dose of thyroid hormones as necessary when these medications are initiated or discontinued.

Thyroid hormones can also affect the metabolism of other drugs. For instance, they may increase the clearance of drugs metabolized by the liver, such as anticoagulants (e.g., warfarin), leading to a potential decrease in their efficacy. Close monitoring of coagulation parameters and adjustment of anticoagulant dosage may be required when initiating or changing the dose of thyroid hormones.

Conversely, certain drugs can affect the metabolism of thyroid hormones, altering their serum levels. Drugs such as amiodarone, lithium, and sertraline can increase serum concentrations of thyroid hormones, potentially leading to hyperthyroidism. It is crucial to monitor thyroid function tests when these drugs are used concomitantly with thyroid hormone therapy.

Additionally, sympathomimetic agents such as pseudoephedrine and albuterol may have enhanced effects on the cardiovascular system when used with thyroid hormones, and caution is advised, especially in patients with cardiovascular disease. Patients with diabetes may require adjustments in their antidiabetic medication or insulin dosage, as thyroid hormones may increase blood glucose levels.

It is also important to consider the impact of dietary factors on the absorption of thyroid hormones. High-fiber diets and soy-containing supplements may reduce the absorption of levothyroxine and liothyronine. Patients should be counseled on maintaining a consistent diet and reporting any significant dietary changes to their healthcare provider.

In summary, the drug interactions associated with levothyroxine and liothyronine are complex and can significantly impact the efficacy and safety of the therapy. Prescribers should carefully review a patient's medication profile for potential interactions and monitor thyroid function tests regularly. Patients should be educated on the importance of taking their medication consistently and on an empty stomach, as well as the need to separate the administration of certain supplements and medications. If you have any questions or require further information regarding this formulation and its interactions, please reach out to us at Bayview Pharmacy.

How Does it Work

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Levothyroxine Sodium and Liothyronine are synthetic forms of thyroid hormones used to treat hypothyroidism, a condition where the thyroid gland does not produce enough thyroid hormones. Levothyroxine is a synthetic version of thyroxine (T4), while Liothyronine is a synthetic form of triiodothyronine (T3). These hormones are crucial for maintaining the body's metabolism, heart, and digestive function, muscle control, brain development, and bone maintenance. When the thyroid gland is underactive, these processes can slow down, leading to symptoms such as fatigue, weight gain, and depression.

The formulation of Levothyroxine Sodium 25 mcg/Liothyronine 12.5 mcg Oral Slow Release (MEM4) Capsules utilizes Methocel E4M, a hydrophilic polymer that swells and forms a gel when it comes into contact with gastric fluids. This gel matrix creates a barrier through which the active ingredients must diffuse to be absorbed by the body. The rate of diffusion is controlled by the characteristics of the Methocel E4M polymer, which is designed to swell and maintain its integrity over an extended period, thus providing a slow and steady release of the active thyroid hormones into the bloodstream.

This controlled-release mechanism ensures that the levels of T3 and T4 in the blood remain consistent throughout the day, mimicking the natural secretion of these hormones by the thyroid gland. By providing a steady state of thyroid hormones, this formulation can help alleviate the symptoms of hypothyroidism more effectively than immediate-release formulations, which may cause peaks and troughs in hormone levels. Additionally, the slow-release design can improve patient compliance by reducing the frequency of dosing, which can be particularly beneficial for patients who struggle with adherence to a multiple-dose regimen.

For patients and prescribers considering this formulation, it is important to note that the dosing of thyroid hormones must be individualized based on the patient's thyroid hormone levels and clinical response. Regular monitoring of thyroid function tests is necessary to ensure the dosage is appropriate. The slow-release capsules should be taken on an empty stomach, typically 30 minutes to an hour before breakfast, to ensure optimal absorption. As with any medication, there may be potential side effects, and patients should be advised to report any unusual symptoms to their healthcare provider.

If you have any questions or require further information about the Levothyroxine Sodium 25 mcg/Liothyronine 12.5 mcg Oral Slow Release (MEM4) Capsules, please do not hesitate to reach out to us at Bayview Pharmacy. Our team of compounding pharmacists is here to provide support and guidance to ensure the best possible treatment outcomes for our patients.

Other Uses

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As a team of compounding pharmacists at Bayview Pharmacy, we would like to provide you with the key information regarding the 'Other Uses' of Levothyroxine Sodium 25 mcg/Liothyronine 12.5 mcg Oral Slow Release (MEM4) Capsules. While the primary indication for this combination medication is the treatment of underactive thyroid (hypothyroidism), replacing or supplementing the natural thyroid hormones T4 (levothyroxine) and T3 (liothyronine), it is important to consider that individual physicians may prescribe this medication off-label for other conditions based on their clinical judgment.

The unique formulation of these capsules, which incorporates Methocel E4M as a controlled-release polymer, is not only suitable for maintaining stable thyroid hormone levels but may potentially be used in other clinical situations where a steady, prolonged release of hormones is beneficial. For example, it could be considered for patients with thyroid hormone resistance, a rare condition where the body requires higher levels of thyroid hormones to regulate metabolism effectively. Additionally, some patients who have had thyroid cancer and have undergone thyroidectomy may benefit from a sustained release thyroid hormone replacement to help maintain their TSH (Thyroid Stimulating Hormone) levels in an optimal range for suppressive therapy.

It is also conceivable that this formulation might assist in the management of certain types of depression or mood disorders where off-label use of thyroid hormones has been found to be adjunctly beneficial by some practitioners, particularly in patients who have not responded adequately to standard antidepressant therapies. The consistent release of thyroid hormones could theoretically improve mood and cognitive function in selected cases, although this is not a standard treatment and should be approached cautiously under the guidance of a psychiatrist or endocrinologist.

Further exploratory uses involve the application of this formulation in addressing issues related to weight management or obesity. Some studies have suggested that thyroid hormone supplementation might be helpful for certain individuals struggling with weight issues, owing to the role of thyroid hormones in metabolism. However, it is critical to emphasize that such usage should be closely monitored by healthcare providers, as inappropriate use of thyroid hormones can lead to serious adverse effects and does not replace the need for a balanced diet and exercise.

In conclusion, while the primary application of Levothyroxine Sodium 25 mcg/Liothyronine 12.5 mcg Oral Slow Release (MEM4) Capsules is the treatment of hypothyroidism, the potential for off-label uses exists, and research into other therapeutic areas continues. If you are a prescriber or patient with an interest in exploring these other uses or have any questions regarding this particular formulation, please do not hesitate to reach out to us at Bayview Pharmacy. Our expert team is always here to provide additional information and to support your healthcare needs in a professional and timely manner.

Frequently Asked Questions

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What is the purpose of using Methocel E4M in the formulation of these capsules?

Methocel E4M is a controlled-release polymer used in the formulation of these capsules to ensure that the active ingredients, Levothyroxine Sodium and Liothyronine, are released gradually over an extended period. This helps provide a sustained therapeutic effect, potentially reducing the need for frequent dosing and improving patient compliance by maintaining steady medication levels in the body.

How often do I need to take Levothyroxine Sodium 25 mcg/Liothyronine 12.5 mcg Oral Slow Release (MEM4) Capsules?

The dosing frequency for these capsules is typically once daily as they are designed for slow and sustained release; however, your healthcare provider will prescribe the exact dosing schedule based on your individual medical condition and response to treatment.

Can I take this medication with food?

Levothyroxine is usually taken on an empty stomach, typically 30 to 60 minutes before breakfast. However, consistency is key. Ensure to follow your healthcare provider's instructions on how to take this medication for optimal absorption and efficacy.

What are the benefits of taking a compounded slow-release hormone replacement therapy?

Compounded slow-release hormone replacement therapies such as these capsules provide a steady release of hormones, which can help maintain more consistent hormone levels in your body, potentially leading to better symptom control and a reduced risk of side effects associated with hormone peaks and troughs.

Will I notice an immediate effect after taking the slow-release capsules?

Due to the controlled-release nature of these capsules, the onset of medication effects may be more gradual compared to immediate-release formulations. The full therapeutic benefits may take several weeks to become apparent, as your body adjusts to a stable supply of medication.

Are there any specific storage requirements for the slow-release capsules?

These capsules should be stored at room temperature, away from direct light, moisture, and heat. Always keep medication in its original container and ensure the lid is tightly closed to preserve the integrity of the slow-release mechanism.

What should I do if I miss a dose?

If you miss a dose, take it as soon as you remember, unless it is near the time for your next scheduled dose. In that case, skip the missed dose and resume your usual dosing schedule. Do not double up on doses to catch up, as this may affect the controlled release of the medication.

Can I open the capsule if I have trouble swallowing it whole?

No, you should not open the capsule. Altering the capsule can affect the slow-release mechanism, potentially leading to rapid release of the medication and an increased risk of side effects. If you have trouble swallowing capsules, speak with your healthcare provider about alternative options.

Are these slow-release capsules suitable for everyone?

While these capsules can be beneficial for many patients, they may not be suitable for everyone. Individual tolerances and medical conditions must be considered. It is essential to consult with a healthcare provider to determine if this formulation is appropriate for your specific needs.

How do I know if this compounded formulation is as effective as traditional hormone replacement therapy?

Compounded formulations are customized to patient needs and may offer benefits over traditional therapies, such as improved dosing precision and reduced side effects. Your healthcare provider will monitor your hormone levels and symptoms to ensure the effectiveness of this therapy and make adjustments as needed. Always discuss your treatment options and any concerns you may have with your healthcare provider.

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Formulas and/or material listed are not to be interpreted as a promise, guarantee or claim of therapeutic efficacy or safety. The information contained herein is not intended to replace or substitute for conventional medical care, or encourage its abandonment. Every patient is unique, and formulas should be adjusted to meet their individual needs.

No compounded medications are reviewed by the FDA for safety or efficacy.