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Formulas

Liothyronine 7.5 mcg Slow Release (MEM4) Oral Capsules

Liothyronine 7.5 mcg Slow Release (MEM4) Oral Capsules are meticulously crafted to provide a consistent and controlled release of liothyronine, the active ingredient. Utilizing Methocel E4M, a sophisticated controlled-release polymer, these capsules are engineered to dispense the medication gradually over an extended timeframe. This advanced formulation is designed to maintain steady therapeutic levels of the hormone, thereby minimizing the need for frequent dosing and enhancing patient adherence to the treatment regimen.

These capsules are indicated for the management of hypothyroidism, a condition where the thyroid gland does not produce sufficient thyroid hormone. By delivering liothyronine in a slow-release manner, the capsules help to normalize thyroid levels, thus alleviating the symptoms associated with this disease state. Additionally, they may be used in the treatment of specific thyroid disorders such as myxedema coma and in the suppression of thyroid-stimulating hormone (TSH) for patients with euthyroid goiters or as an adjunct to surgery and radioiodine therapy in the management of thyrotropin-dependent well-differentiated thyroid cancer.

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Liothyronine Sodium
Slow Release Capsules
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Formula Information

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Liothyronine is a synthetic form of triiodothyronine (T3), a thyroid hormone that is used to treat hypothyroidism, a condition where the thyroid gland does not produce enough thyroid hormone. It is also used in the management of myxedema coma, a severe form of hypothyroidism, and sometimes in the treatment of thyroid cancer to suppress the production of thyroid-stimulating hormone (TSH). The 7.5 mcg dose of Liothyronine in a slow-release capsule formulation provides a lower, more physiologic level of the hormone, which can be particularly beneficial for patients who are sensitive to the effects of thyroid hormones or who require a fine-tuned dosage adjustment.

The slow-release capsules are formulated with Methocel E4M, a hydrophilic methylcellulose polymer that swells and forms a gel when it comes into contact with gastric fluids. This gel matrix creates a barrier to the immediate release of the liothyronine, allowing for a gradual and sustained release of the medication into the bloodstream. This controlled-release mechanism can help maintain a more consistent serum T3 level, potentially reducing the peaks and troughs associated with immediate-release formulations and minimizing the risk of adverse effects such as palpitations, nervousness, or insomnia that can occur with large fluctuations in hormone levels.

For patients, this means taking the medication less frequently, which can improve adherence to the treatment regimen. For prescribers, the slow-release formulation allows for more consistent control of the patient's thyroid hormone levels, which can be particularly important in the management of thyroid disorders where maintaining stable hormone levels is crucial for avoiding both hypothyroid and hyperthyroid symptoms. Additionally, the slow-release formulation may reduce the impact of the medication on the heart, which is particularly important for patients with cardiovascular concerns.

It is important to note that the absorption of liothyronine can be affected by various factors, including gastrointestinal pH, the presence of certain foods, and gastrointestinal motility. Therefore, patients should be advised to take the medication consistently with respect to meals and to avoid any known drug interactions. Regular monitoring of thyroid function tests is recommended to ensure the dose of liothyronine is appropriate and to adjust the dose as necessary.

If you have any questions or require further information about the Liothyronine 7.5 mcg Slow Release (MEM4) Oral Capsules, please do not hesitate to reach out to us at Bayview Pharmacy. Our team of compounding pharmacists is dedicated to providing you with the necessary support and guidance to ensure the safe and effective use of this formulation for your patients.

Drug Interactions

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Liothyronine is a synthetic form of triiodothyronine (T3), a thyroid hormone used to treat hypothyroidism, a condition where the thyroid gland does not produce enough thyroid hormone. It is also used in the management of myxedema coma and sometimes in the treatment of thyroid cancer. The slow-release formulation of liothyronine 7.5 mcg in Methocel E4M (hydroxypropyl methylcellulose) is designed to maintain a steady level of the hormone in the body, mimicking the natural release of thyroid hormone and potentially reducing the risk of side effects associated with peak concentrations.

When considering drug interactions, it is important to note that thyroid hormones may increase the effect of anticoagulants, such as warfarin, which could lead to an increased risk of bleeding. Patients on anticoagulant therapy should have their clotting status closely monitored and the dosage of the anticoagulant adjusted as necessary. Additionally, liothyronine may accelerate the metabolism of certain medications, including tricyclic antidepressants, digitalis glycosides, ketamine, and theophylline, potentially necessitating dosage adjustments of these drugs.

Conversely, certain drugs can affect the absorption and metabolism of liothyronine. For instance, medications such as iron and calcium supplements, cholestyramine, aluminum-containing antacids, and proton pump inhibitors can reduce the absorption of thyroid hormones, potentially necessitating an adjustment in the dosage of liothyronine. Drugs that induce hepatic enzymes, such as rifampin and phenobarbital, may increase the clearance of thyroid hormones, leading to a potential decrease in therapeutic effect.

It is also important to consider the impact of liothyronine on patients with diabetes. Thyroid hormones may increase blood glucose levels, and thus, diabetic patients should monitor their blood glucose levels closely, and adjustments to antidiabetic medication dosages may be required. Additionally, patients with cardiovascular disease should be monitored closely as thyroid hormones can increase heart rate, blood pressure, and the risk of arrhythmias.

Lastly, it is crucial to avoid the concurrent use of liothyronine with other agents that can affect thyroid function tests, such as amiodarone, lithium, and iodine-containing compounds, as these can lead to misleading test results and potentially inappropriate adjustments in therapy.

Given the complexity of these interactions, prescribers and patients are encouraged to review all current medications, including over-the-counter drugs and supplements, with a healthcare provider to ensure safe and effective use of liothyronine slow-release capsules. For any questions or concerns regarding this formulation or potential drug interactions, please reach out to us at Bayview Pharmacy for personalized advice and support.

How Does it Work

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Liothyronine is a synthetic form of triiodothyronine (T3), a thyroid hormone that is naturally produced by the thyroid gland. This hormone plays a crucial role in regulating the body's metabolic rate, heart and digestive functions, muscle control, brain development, and maintenance of bones. When the thyroid gland does not produce enough T3, it can lead to a condition known as hypothyroidism, which can cause symptoms such as fatigue, weight gain, cold intolerance, and depression. Liothyronine is used to treat hypothyroidism and to provide the necessary hormone the body is lacking.

The 7.5 mcg slow-release formulation of Liothyronine is designed to mimic the body's natural release of thyroid hormone. This is achieved through the use of Methocel E4M, a hydrophilic methylcellulose polymer that swells and forms a gel when it comes into contact with gastric fluids. This gel matrix creates a barrier through which the liothyronine must diffuse to be absorbed into the bloodstream. The rate of diffusion is controlled by the properties of the Methocel E4M, which is engineered to swell and dissolve at a specific rate, thus providing a slow and steady release of the active ingredient over an extended period.

The slow-release mechanism offers several therapeutic benefits. It ensures a more consistent serum concentration of the hormone, avoiding the peaks and troughs that can be associated with immediate-release formulations. This can lead to a more stable hormonal balance and potentially reduce the risk of side effects associated with fluctuating hormone levels. Additionally, the reduced dosing frequency improves patient compliance, as patients need to remember to take their medication less often. This is particularly beneficial for chronic conditions like hypothyroidism, which require long-term management.

For patients and prescribers considering this formulation, it is important to understand that the slow-release capsules must be taken whole and not crushed or chewed, as this would disrupt the controlled-release mechanism. The dosing of liothyronine in a slow-release form may differ from that of immediate-release forms, and it is essential to follow the prescribed dosing regimen and monitor thyroid function tests to ensure the correct therapeutic levels are achieved and maintained.

If you have any questions about this formulation or how it can be integrated into a treatment plan for hypothyroidism or other related conditions, please reach out to us at Bayview Pharmacy. Our team of compounding pharmacists is here to provide the necessary information and support to ensure the best possible outcomes for our patients.

Other Uses

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Liothyronine, mainly known for its crucial role in treating various thyroid disorders such as hypothyroidism, may also serve other therapeutic purposes when formulated as a 7.5 mcg slow-release capsule utilizing Methocel E4M. This specific formulation is designed to release liothyronine in a controlled manner, which could be beneficial in managing conditions where a steady hormonal milieu is desired. This could potentially include certain psychiatric conditions where research has suggested thyroid hormones might play a role, such as depression, bipolar disorder, or mood stabilization, particularly in patients who have not responded adequately to standard treatments. However, the use of liothyronine in these cases should be based on a thorough evaluation by a healthcare professional, considering the risk-benefit profile for the individual patient.

Additionally, liothyronine may be employed in the management of thyroid cancer, with the aim to suppress TSH levels post-thyroidectomy in certain patients. The benefit of the slow-release formulation in this context could involve maintaining a constant level of the hormone, aiding in more precise suppression therapy. Moreover, slow-release formulations have also shown promise in improving the quality of life of patients by mimicking the body's natural release of thyroid hormones, potentially leading to a more natural rhythm of hormone levels in the body, unlike the peaks and troughs associated with immediate-release formulations.

Experimental uses of liothyronine slow-release capsules that are not mainstream might include therapies for conditions such as chronic fatigue syndrome or weight management under the guidance of a specialized healthcare provider. However, these uses are not typically endorsed without further clinical evidence. Also, compounded formulations like this one offer unique opportunities to tailor the dosage to individual patient needs which cannot be met with commercially available products.

When considering this formulation, prescribers and patients should be mindful that the evidence for the aforementioned uses of liothyronine outside of traditional thyroid disorders varies in terms of clinical support and approval by health authorities. The slow-release formulation is specific in its pharmacokinetic properties and should be monitored for efficacy and safety, just as with any other medication. For more specific information or to discuss the suitability of this formulation for other uses, healthcare professionals and patients are encouraged to reach out to us at Bayview Pharmacy for a more in-depth discussion on the potential benefits and risks for individual circumstances.

Frequently Asked Questions

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What is Liothyronine 7.5 mcg Slow Release (MEM4) Oral Capsule?

Liothyronine 7.5 mcg Slow Release (MEM4) Oral Capsule is a medication formulated with the thyroid hormone liothyronine (T3), contained within a controlled-release system using Methocel E4M. This polymer allows the medication to be gradually released over time, providing a steady level of hormone to the body.

What is Methocel E4M and how does it work in this formulation?

Methocel E4M is a type of controlled-release polymer that is designed to release the medication or active ingredient slowly over an extended period. It works by forming a gel matrix as it comes in contact with gastrointestinal fluids, controlling the rate at which the medication is released from the capsule.

How does the slow-release formulation of this capsule benefit the patient?

The slow-release formulation offers sustained therapeutic effects, reducing the need for frequent dosing and thereby improving patient compliance. It also helps maintain consistent blood levels of the medication, which can be critical in managing the conditions treated with liothyronine.

Can I open the capsule and sprinkle it on food or mix with liquids?

Opening the capsule can disrupt the controlled-release mechanism of the medication. Therefore, it's important to swallow the capsule whole. Do not sprinkle on food or mix with liquids as this may affect how the medication is released and absorbed.

What should I do if I miss a dose?

If you miss a dose of Liothyronine Slow Release, take it as soon as you remember. However, if it is nearly time for your next dose, skip the missed dose and continue with your regular dosing schedule. Do not take a double dose to make up for the missed one.

How long does it take for Liothyronine 7.5 mcg Slow Release Capsule to work?

The onset of action can vary from person to person. However, some individuals may start to notice improvements in symptoms within a few days to weeks. Your doctor will monitor your condition and may adjust your dosage for optimum results.

Are there any foods or beverages I should avoid while taking this medication?

While taking Liothyronine Slow Release capsules, it's advisable to avoid foods that may interfere with thyroid hormone absorption or medications in general, such as those high in fiber, soy products, cottonseed meal, walnuts, and grapefruit juice. Discuss with your doctor for a complete list of dietary restrictions, if any.

Can I take Liothyronine Slow Release capsules during pregnancy?

If you are pregnant or planning to become pregnant, inform your doctor. Thyroid hormones are essential for fetal development, but it's crucial to manage dosages carefully during pregnancy.

What side effects may I experience with Liothyronine 7.5 mcg Slow Release Capsules?

Possible side effects include but are not limited to heart palpitations, nervousness, irritability, insomnia, weight loss, and increased appetite. If you experience any severe side effects or signs of overdose (such as chest pain or severe headache), contact your healthcare provider immediately.

How should I store Liothyronine Slow Release capsules?

Store the capsules at room temperature, away from direct light, moisture, and heat. Keep the medication out of reach of children and pets.

Can this medication be used for weight loss?

Liothyronine is a thyroid hormone and should not be used for weight loss in individuals with normal thyroid function. Misuse can lead to serious side effects. It is intended to treat specific thyroid disorders under the guidance of a 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.