Product image of Levothyroxin Aristo (Anhydrous Levothyroxine Sodium) supplied by GNH India

Levothyroxin Aristo

Active Ingredient:
Anhydrous Levothyroxine Sodium
Origin:
EU

Levothyroxin Aristo (Anhydrous Levothyroxine Sodium)

Levothyroxine sodium, the active ingredient in Levothyroxin Aristo, is a thyroid hormone presented as an oral tablet for oral use. It restores normal thyroid hormone levels in patients with hypothyroidism, after thyroidectomy, or with goiter.
GNH India supplies Levothyroxin Aristo as a licensed, GDP-compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Manufacturer / TM Owner

Aristo Pharma Gmbh (Art 57)

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Indications & Clinical Uses

Levothyroxin Aristo is a synthetic thyroid hormone used to treat disorders of thyroid hormone deficiency.

  • Hypothyroidism: normalizes low thyroid hormone levels and alleviates associated metabolic symptoms.
  • Post‑thyroidectomy replacement: provides the necessary hormone after surgical removal of the thyroid gland.
  • Goiter: reduces gland enlargement by supplying adequate thyroid hormone and suppressing TSH stimulation.

How It Works

  • Levothyroxine sodium is a synthetic form of the endogenous hormone thyroxine (T4). After oral absorption, it is converted to the active triiodothyronine (T3) within peripheral tissues. The hormone binds nuclear thyroid receptors, modulating gene transcription that regulates basal metabolic rate, protein synthesis, and growth, thereby restoring normal endocrine function.

Side Effects

Levothyroxin Aristo may cause a range of adverse reactions, most of which are dose‑related.

Common Side Effects

  • Headache: mild to moderate discomfort often reported early in therapy.
  • 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

  • Cardiac arrhythmia: potentially life‑threatening irregular heart rhythm.
  • Angina pectoris: chest pain due to reduced coronary blood flow.
  • Myocardial infarction: heart attack in susceptible patients.
  • Osteoporosis: decreased bone mineral density with long‑term excess.
  • Severe allergic reaction: rash, swelling, or anaphylaxis.
  • Adrenal insufficiency crisis: precipitated in patients with untreated adrenal disease.

Precautions & Warnings

Levothyroxin Aristo requires careful monitoring and patient‑specific considerations before and during therapy.

  • Cardiovascular disease: initiate at low dose and titrate cautiously to avoid tachyarrhythmias.
  • Elderly patients: start with reduced dosage due to altered metabolism.
  • Adrenal insufficiency: ensure adequate glucocorticoid replacement before initiating therapy.
  • Pregnancy and lactation: use only if clearly needed; discuss risks with a healthcare professional.
  • Thyroid function monitoring: check serum TSH and free T4 regularly to adjust dose.
  • Store below 25°C: keep in the original pack, protect from moisture.

Avoid Interactions

Levothyroxin Aristo can alter the pharmacokinetics or pharmacodynamics of several medicines.

Major Interactions (Avoid)

  • Warfarin: increased anticoagulant effect may raise bleeding risk.
  • Insulin or oral hypoglycemics: enhanced glucose metabolism can cause hypoglycemia.
  • Antithyroid drugs (e.g., methimazole): antagonistic effect reduces levothyroxine efficacy.
  • Cholestyramine, colestipol, or other bile‑acid sequestrants: decrease absorption of levothyroxine.

Moderate Interactions (Monitor Closely)

  • Calcium or iron supplements: may bind levothyroxine and reduce its bioavailability.
  • Proton pump inhibitors and H2‑blockers: can modestly impair absorption; timing adjustments recommended.
  • Beta‑blockers: may mask symptoms of excess thyroid hormone such as tachycardia.

Frequently Asked Questions

Levothyroxin Aristo contains levothyroxine sodium, a synthetic thyroid hormone used to replace deficient hormone in hypothyroidism, to provide hormone after thyroidectomy, and to manage goiter by normalizing thyroid‑stimulating hormone levels.

After oral absorption, levothyroxine sodium is converted to the active hormone triiodothyronine (T3). T3 binds nuclear thyroid receptors, influencing gene expression that controls metabolism, growth, and development, thereby restoring normal physiological functions that depend on thyroid hormone.

The appropriate dose of Levothyroxin Aristo is individualized by the prescribing clinician based on the patient’s age, weight, cardiac status, and laboratory thyroid function tests. Dosage adjustments are made to achieve target serum TSH and free T4 levels.

Levothyroxine is classified as a pregnancy category that may be used when clearly needed. Adequate maternal thyroid hormone is essential for fetal development, so the drug is often continued during pregnancy under medical supervision. Breastfeeding mothers should also discuss continuation with their healthcare provider.

To place an 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 and any necessary import documentation.

Levothyroxin Aristo is a generic levothyroxine formulation comparable in efficacy to brand‑name products such as Synthroid or Eltroxin. All contain the same active ingredient and are bioequivalent when taken as prescribed, though excipients may differ slightly, which can affect tolerability in some patients.

Levothyroxin Aristo tablets should be stored at temperatures below 25 °C, in the original container, protected from moisture and direct sunlight. Do not store in bathrooms or near heat sources to maintain drug stability.

Levothyroxin Aristo is taken orally, usually on an empty stomach 30‑60 minutes before breakfast. The tablet should be swallowed whole with a full glass of water and not crushed or chewed, unless the prescriber provides specific instructions.

Serious risks include cardiac arrhythmias, angina, myocardial infarction, severe bone loss (osteoporosis) with long‑term excess, and allergic reactions such as anaphylaxis. Patients with pre‑existing heart disease or untreated adrenal insufficiency require close monitoring.

Levothyroxin Aristo is contraindicated in patients with known hypersensitivity to levothyroxine or any tablet excipients, and in those with untreated adrenal insufficiency. Caution is advised for individuals with recent myocardial infarction, uncontrolled cardiac disease, or severe osteoporosis.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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