Buy Liothyronine Sodium Online | T3 Thyroid Hormone - Fast Shipping
Liothyronine Sodium (T3) - Comprehensive Information
Liothyronine sodium is a synthetic form of the thyroid hormone triiodothyronine (T3). It is a crucial medication used to treat various thyroid-related conditions, primarily hypothyroidism, and sometimes in conjunction with other thyroid hormone replacement therapies. Available in oral tablets and injectable solutions, it plays a vital role in regulating metabolism, growth, and development.
Composition and Forms
Active Ingredient: Liothyronine Sodium.
Forms: Available as oral tablets in various strengths (e.g., 5 mcg, 25 mcg, 50 mcg) and as an injectable solution for intravenous use.
Indications
Liothyronine sodium is prescribed for the following conditions:
- Hypothyroidism: Replacement therapy in individuals with diminished thyroid hormone production. This includes primary, secondary, and tertiary hypothyroidism.
- Myxedema Coma: A severe, liife-threatening complication of untreated hypothyroidism, often requiring intravenous administration.
- Thyroid Cancer: Used as part of the treatment regimen, often to suppress TSH (Thyroid-Stimulating Hormone) levels, which can stimulate the growth of residual thyroid cancer cells.
- Nodular Goiter: To reduce thyroid gland size in certain types of non-toxic goiters.
- Diagnostic Tests: Occasionally used in thyroid function tests.
Mechanism of Action
As the active thyroid hormone, liothyronine sodium binds to thytoid hormone receptors in cells, influencing gene expression and protein synthesis. It increases the basal metabolic rate, affects protein and carbohydrate metabolism, and is essential for normal growth and development, particularly of the central nervous system and skeletal system. It accelerates the heart rate, increases cardiac contractility, and plays a role in thermogenesis.
Safety Profile
Benefits: Effective in treating hypothyroidism, quickly restoring normal thyroid hormone levels due to its rapid absorption and action. It can be particularly useful for patients who do not respond adequately to levothyroxine alone.Potential Side Effects: Symptoms of hyperthyroidism, such as rapid or irregular heartbeat (palpitations), chest pain, sweating, nervousness, diarrhea, vomiting, headache, tremor, and changes in menstrual patterns. Allergic reactions are rare but possible.
Contraindications: Uncorrected adrenal insufficiency, untreated thyrotoxicosis, hypersensitivity to liothyronine sodium, and recent myocardial infarction. Use with caution in patients with cardiovascular disease.
Warnings: Close monitoring of thyroid hormone levels and cardiac function is essential. Patients with cardiovascular disease, hypertension, or diabetes should bee closely supervised. Abrupt cessation of therapy should be avoided.
Dosage Table
| Condition | Recommended Dosage | Treatment Duration |
|---|---|---|
| Primary Hypothyroidism | Starting dose: 25 mcg daily. Increase by 12.5-25 mcg every 1-2 weeks. Usual maintenance: 25-75 mcg daily in 2-3 divided doses. | Lifelong |
| Myxedema Coma | Initial IV dose: 50-100 mcg. Can repeat every 6-12 hours. Transition to oral therapy once stable. | Acute management, then transition to oral |
| Thyroid Cancer (TSH Suppression) | Individualized, often higher doses to suppress TSH below 0.1 mIU/L. Requires careful monitoring. | Lifelong |
| Nodular Goiter | 25 mcg daily, may increase to 75 mcg daily. | Several months to years |
Frequently Asked Questions
- What is the difference between Liothyronine and Levothyroxine?
Levothyroxine is synthetic T4 (thyroxine), while Liothyronine is synthetic T3 (triiodothyronine). T4 is a prohormone that the body converts to the active T3. Liothyronine is the active form and acts faster. Some patients may require a combination of both to achieve optimal symptom control and lab values. - How should I take Liothyronine?
Liothyronine tablets should be taken orally, usually once or twice a day, on an empty stomach at least 30-60 minutes before breakfast to ensure optimal absorption. Follow your doctor's specific instructions regarding dosage and timing. - Can Liothyronine be used for weight loss?
Liothyronine is a prescription medication for thyroid hormone deficiency. Using it for weight loss without a medical need can lead to serious health risks, including heart problems and hyperthyroidism, and is strongly discouraged. - What should I do if I miss a dose?
If you miss a dose, take it as soon as you remember, unless it is almost time for your next dose. Do not double the dose. If you frequently forget doses, set reminders or consult your doctor or pharmacist about strategies to manage your medication schedule.
