Levothyroxine Sodium Injection 500 mcg Single Dose Vial

Levothyroxine Sodium Injection 500 mcg by Zydus Pharmaceutical is a sterile, preservative-free, single-dose intravenous solution formulated for the rapid correction of severe hypothyroidism or myxedema coma in adults and children. It delivers precise, powerful thyroid hormone replacement directly into the bloodstream when oral therapy is disrupted or contraindicated, ensuring swift and reliable management of critical hypothyroid states.

What It Is Used For:

Levothyroxine Sodium Injection is used to treat:

• Myxedema coma/precoma: A life-threatening, severe form of hypothyroidism.
• Severe hypothyroidism: When oral administration is not possible (e.g., unconscious or unable to swallow).
• Thyroid hormone replacement therapy: For patients dependent on intravenous delivery in hospital or emergency settings.

Details & Features:

• Strength: 500 mcg per single-dose vial.
• Formulation: Sterile, preservative-free injection for IV use only.
• Manufacturer: Zydus Pharmaceutical, renowned for quality and reliability.
• Rapid Onset: Quickly restores thyroid hormone levels in critical situations.
• Precise Dosing: Each vial is calibrated for accuracy and ease of use in emergency care.
• Single-dose vial: Minimizes risk of contamination and medication errors.

Directions for Use:

• Administration Route: Intravenous (IV) only. Do NOT administer intramuscularly or subcutaneously.
• Reconstitution: Prepare the injection according to the manufacturer's instructions. Use aseptic technique.
• Infusion: Administer slowly as directed by a healthcare provider. Monitor for adverse reactions during and after administration.

Only a licensed healthcare professional should administer this medication.

Dosage:

• Adults: Initial dose typically ranges from 200 to 500 mcg IV depending on the severity and patient weight.
• Children: Dosage based on body weight, age, and clinical condition. Consult physician for pediatric dosing.
• Maintenance: Follow-up dosing may be adjusted according to clinical response and laboratory results.

Always follow your doctor's specific instructions and the institutional protocol.

Allergies:

Contraindication:

• Hypersensitivity to levothyroxine, any of its excipients, or similar thyroid preparations.

Drug Interactions:

Levothyroxine Sodium Injection may interact with:

• Anticoagulants (Warfarin): May increase bleeding risk; monitor INR.
• Diabetes medications: May increase insulin or oral hypoglycemic requirements.
• Digitalis glycosides: May decrease efficacy.
• Estrogens, calcium, iron, aluminum-containing antacids: May alter thyroid hormone absorption and levels.
• Sympathomimetics: Increased sensitivity may cause arrhythmias or hypertension.

Consult your physician or pharmacist before mixing with any medication.

Side Effects & Warnings:

Potential Side Effects:

• Arrhythmias (irregular heartbeat)
• Chest pain/angina
• Hypertension
• Nervousness, tremor, headache
• Sweating, fever, heat intolerance
• Allergic reactions (rash, itching, swelling)

Warnings:

• Do NOT use for weight reduction.
• Use with caution in patients with cardiovascular disease, diabetes, or adrenal insufficiency.
• Not for routine use in mild hypothyroidism.
• Close monitoring of vital signs and thyroid levels is required, especially during initial therapy.
• Overdosage can result in symptoms of hyperthyroidism or thyroid storm (life-threatening).

For hospital and emergency use only Dispensed by prescription, and to be administered by qualified healthcare professionals only.