Product image of Levothyroxine Sodium Accord (Levothyroxine Sodium) supplied by GNH India

Levothyroxine Sodium Accord

Active Ingredient:
Levothyroxine Sodium
Origin:
EU

Levothyroxine Sodium Accord (Levothyroxine Sodium)

Levothyroxine Sodium, the active ingredient in Levothyroxine Sodium Accord, is a thyroid hormone replacement presented as an oral tablet for oral use. It is used to treat hypothyroidism and to provide thyroid hormone replacement in patients with deficient endogenous hormone.

GNH India supplies Levothyroxine Sodium Accord as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Manufacturer / TM Owner

Accord Healthcare B.V.

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Indications & Clinical Uses

Levothyroxine Sodium is indicated for conditions affecting thyroid hormone production and is used in thyroid hormone replacement therapy.

  • Hypothyroidism: restores normal thyroid hormone levels and alleviates symptoms of low metabolism.
  • Thyroid hormone replacement therapy: maintains metabolic balance in patients requiring lifelong hormone supplementation.
  • Myxedema coma (severe hypothyroidism): provides rapid hormonal support in emergency management.

How It Works

  • Levothyroxine Sodium is a synthetic form of the endogenous hormone thyroxine (T4). After oral absorption, it is converted to the active hormone triiodothyronine (T3) in peripheral tissues, binding to nuclear thyroid hormone receptors and regulating gene transcription that controls basal metabolic rate, protein synthesis, and growth.

Side Effects

Levothyroxine Sodium may cause a range of adverse reactions, most of which are dose‑related.

Common Side Effects

  • Headache: mild to moderate intensity.
  • Insomnia: difficulty falling or staying asleep.
  • Palpitations: sensation of rapid or irregular heartbeat.
  • Weight loss: unintended reduction in body weight.
  • Heat intolerance: increased sensitivity to warm environments.
  • Tremor: fine shaking of hands or limbs.

Serious or Rare Side Effects

  • Angina or chest pain: indicative of cardiac ischemia.
  • Arrhythmias: abnormal heart rhythms, including atrial fibrillation.
  • Severe allergic reaction: rash, itching, swelling, or difficulty breathing.
  • Bone loss: accelerated osteoporosis with long‑term overtreatment.
  • Hyperthyroid symptoms: excessive sweating, anxiety, or tremor.
  • Myocardial infarction: rare but possible in susceptible individuals.

Precautions & Warnings

Levothyroxine Sodium requires careful monitoring and individualized dosing.

  • Cardiovascular disease: adjust dose and monitor for angina or arrhythmias.
  • Elderly patients: start with lower doses and titrate slowly.
  • Pregnancy and lactation: use only if clearly indicated; benefits must outweigh potential risks.
  • Drug monitoring: regular thyroid function tests are essential to avoid over‑ or under‑replacement.
  • Discontinuation: do not stop abruptly without medical guidance.
  • Store below 25°C: keep in the original pack, protect from moisture.

Avoid Interactions

Levothyroxine Sodium can have clinically significant interactions with several medicines.

Major Interactions (Avoid)

  • Calcium supplements: reduce levothyroxine absorption.
  • Iron salts: markedly decrease oral bioavailability.
  • Antacids containing aluminum or magnesium: impair absorption.
  • Cholestyramine or other bile‑acid sequestrants: bind levothyroxine and lower its effect.
  • Sucralfate: interferes with intestinal uptake.

Moderate Interactions (Monitor Closely)

  • Warfarin: may potentiate anticoagulant effect; monitor INR.
  • Oral contraceptives: may increase levothyroxine dose requirement.
  • Amiodarone: alters thyroid hormone metabolism.
  • Carbamazepine: induces hepatic enzymes, reducing levothyroxine levels.
  • Rifampin: increases metabolism and may necessitate dose adjustment.

Frequently Asked Questions

Levothyroxine Sodium Accord is used to replace deficient thyroid hormone in patients with hypothyroidism or those requiring thyroid hormone replacement therapy. It helps normalize metabolic activity by providing the synthetic form of thyroxine (T4) that the body can convert to the active hormone triiodothyronine (T3).

Levothyroxine sodium is a synthetic analogue of the natural thyroid hormone thyroxine (T4). After oral absorption, it is converted in peripheral tissues to the active hormone triiodothyronine (T3), which binds to nuclear thyroid receptors and regulates gene expression that controls basal metabolic rate, protein synthesis, and growth.

The dose of Levothyroxine Sodium Accord is individualized. A qualified prescriber determines the appropriate amount based on the patient’s age, weight, severity of hypothyroidism, cardiac status, and laboratory thyroid function tests. Dosage adjustments are made during follow‑up to achieve target hormone levels.

Levothyroxine sodium is classified as a pregnancy category that is not well defined, but it is generally considered safe when medically necessary because untreated hypothyroidism can harm both mother and fetus. Use only under medical supervision, and the prescriber will weigh benefits against potential risks. Breastfeeding mothers should also consult their physician.

To order, submit an enquiry on the product page at gnhindia.com specifying the required quantity. GNH India works with hospitals, pharmacies, and procurement teams worldwide, verifies trade or institutional credentials, and then provides pricing, availability, shipping details (including any cold‑chain requirements), and necessary import documentation.

Levothyroxine sodium is the standard synthetic T4 replacement and is preferred for most patients because of its predictable absorption and long half‑life. Alternatives such as liothyronine (synthetic T3) or desiccated animal thyroid extracts may be used in specific cases, but levothyroxine remains the first‑line therapy for routine hypothyroidism.

Store the product below 25 °C in its original container, protected from moisture and direct sunlight. Do not expose the tablets to excessive heat or humidity, and keep them out of reach of children. No refrigeration is required for this oral tablet formulation.

Levothyroxine Sodium Accord is taken orally, usually on an empty stomach 30‑60 minutes before breakfast. Swallow the tablet whole with a full glass of water. Consistency in timing and relation to meals helps maintain stable absorption and therapeutic effect.

Serious risks include cardiac events such as angina, arrhythmias, or myocardial infarction, especially in patients with pre‑existing heart disease. Over‑replacement can lead to symptoms of hyperthyroidism, bone loss, and severe allergic reactions. Regular monitoring of thyroid function and clinical status is essential to mitigate these risks.

Patients with untreated adrenal insufficiency, acute myocardial infarction, or known hypersensitivity to levothyroxine or any excipients should avoid this medication. Additionally, individuals who are unable to take oral medications or who have conditions that markedly affect drug absorption should be evaluated by a healthcare professional before use.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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