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

Levothyroxin Abdi

Active Ingredient:
Levothyroxine Sodium
Origin:
EU

Levothyroxin Abdi (Levothyroxine Sodium)

Levothyroxine, the active ingredient in Levothyroxin Abdi, is a thyroid hormone presented as an oral tablet for oral use. It replaces deficient thyroid hormone and is used to treat hypothyroidism and related thyroid disorders in adults and children.

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

Manufacturer / TM Owner

Abdi Farma, Unipessoal Lda

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Indications & Clinical Uses

Levothyroxin Abdi is a synthetic thyroid hormone used to manage conditions that involve insufficient endogenous hormone production.

  • Hypothyroidism: restores normal metabolic rate and alleviates symptoms such as fatigue and weight gain.
  • Goiter: reduces thyroid gland enlargement by normalising circulating hormone levels.
  • Thyroid hormone replacement after thyroidectomy or radioactive iodine therapy: maintains euthyroid status and supports normal physiological functions.

How It Works

  • Levothyroxine 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. The hormone binds nuclear thyroid receptors, modulating gene transcription that regulates basal metabolic rate, protein synthesis, and growth. By restoring normal hormone concentrations, it normalises metabolic processes that are impaired in hypothyroid states.

Side Effects

Levothyroxin Abdi may be associated with a range of adverse reactions. Patients should be aware of both frequent and rare events.

Common Side Effects

  • Headache: mild to moderate intensity.
  • Palpitations: sensation of rapid or irregular heartbeat.
  • Nervousness or anxiety: heightened nervous system activity.
  • Weight loss: unintended reduction in body weight.
  • Gastrointestinal upset: nausea, abdominal discomfort.

Serious or Rare Side Effects

  • Cardiac arrhythmias: potentially life‑threatening rhythm disturbances.
  • Bone loss or osteoporosis: especially with long‑term overtreatment.
  • Allergic reactions: rash, pruritus, or angioedema.
  • Hyperthyroid symptoms: heat intolerance, tremor, or sweating.

Precautions & Warnings

Levothyroxin Abdi requires careful monitoring and patient education to minimise risks.

  • Dose adjustment: titrate based on thyroid function tests and clinical response.
  • Cardiovascular disease: assess cardiac status before initiating therapy.
  • Pregnancy and lactation: evaluate risk‑benefit ratio with a healthcare professional.
  • Drug interactions: review concomitant medications that may affect thyroid hormone levels.
  • Storage: Store below 25°C: keep in the original container, protect from moisture and direct sunlight.

Avoid Interactions

Levothyroxin Abdi can interact with several medicines, altering its efficacy or safety.

Major Interactions (Avoid)

  • Levothyroxine with calcium or iron supplements: reduces absorption; separate dosing by at least 4 hours.
  • Levothyroxine with amiodarone: may cause thyroid dysfunction; requires close monitoring.

Moderate Interactions (Monitor Closely)

  • Antacids containing aluminum or magnesium: may impair absorption; advise spacing doses.
  • Certain antidepressants (e.g., sertraline): can affect thyroid hormone levels; monitor thyroid function.
  • Cholestyramine: binds levothyroxine and decreases its bioavailability; adjust timing accordingly.

Frequently Asked Questions

Levothyroxin Abdi contains levothyroxine sodium, a synthetic thyroid hormone used to treat hypothyroidism, manage goiter, and provide thyroid hormone replacement after thyroidectomy or radioactive iodine therapy.

Levothyroxine is converted to the active hormone triiodothyronine (T3) after absorption. It binds to nuclear thyroid receptors, regulating gene expression that controls metabolism, growth, and development, thereby normalising the physiological effects of thyroid hormone deficiency.

The appropriate dose of Levothyroxin Abdi is individualized and determined by a prescriber based on the patient’s age, weight, thyroid function test results, and clinical response. Dosage adjustments are made during follow‑up.

Levothyroxine is generally considered safe in pregnancy and lactation when prescribed by a qualified healthcare professional, as untreated hypothyroidism can harm both mother and fetus. The prescriber will weigh benefits against any potential risks.

To request Levothyroxin Abdi, 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 necessary import documentation.

Levothyroxin Abdi is a generic levothyroxine formulation that offers the same active ingredient and therapeutic effect as brand‑name products such as Synthroid or Eltroxin. Differences may lie in excipients, manufacturing processes, and regulatory approvals, but clinical efficacy is comparable when dosed appropriately.

Store Levothyroxin Abdi at temperatures below 25 °C in its original packaging. Protect the tablets from moisture, excessive heat and direct sunlight to maintain potency throughout the shelf life.

Levothyroxin Abdi is taken orally, usually on an empty stomach 30‑60 minutes before breakfast. Swallow the tablet whole with a glass of water; do not crush or chew unless instructed otherwise by a healthcare professional.

Serious risks include cardiac arrhythmias, especially in patients with underlying heart disease, and excessive thyroid hormone levels leading to symptoms of hyperthyroidism such as tremor, heat intolerance, and bone loss. Prompt medical attention is required if these occur.

Levothyroxin Abdi should be avoided in individuals with known hypersensitivity to levothyroxine sodium or any tablet excipients, and in patients with untreated adrenal insufficiency or acute myocardial infarction until these conditions are stabilized.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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