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Synthroid

Synthroid

Levothyroxine

Levothyroxine tablets for hypothyroidism. They replace the thyroid hormone that your own thyroid is not producing.

Active ingredient
Levothyroxine
Route
Oral use
Form
Tablet
Strengths
25mcg · 50mcg · 75mcg · 100mcg · 125mcg · 150mcg · 200mcg

This listing uses Synthroid as a reference name. A generic equivalent is supplied; its exact brand and manufacturer are confirmed before supply.

Prescription and consultation requirements for Synthroid vary by destination and are determined by the fulfilment partner.

Synthroid details

Alternative names
levothyroxine
Therapeutic class
Synthetic Thyroid Hormone
Pharmacological class
Thyroxin (T4) Analog
Minor side effects
headache; sweating; heat intolerance
Moderate side effects
tachycardia; weight loss; nervousness
Serious side effects
severe cardiac arrhythmia, requires immediate medical attention
Dosage forms
Tablet
Administration route
Oral use
Supply category
Prescription-only medicine (POM)
Originator
AbbVie
Onset Time
1–2 weeks
Duration
24–48 hours
Storage instructions
Store below 25°C. Protect from light.
Drug interactions
Calcium Carbonate; Iron Supplements; Warfarin
Age restrictions
Approved for all paediatric and adult populations.
Contraindications

acute myocardial infarction; uncorrected adrenal insufficiency; untreated thyrotoxicosis

Patient summary

Levothyroxine tablets for hypothyroidism. They replace the thyroid hormone that your own thyroid is not producing.

Mechanism of action

Restores thyroid levels by acts as synthetic thyroxine, regulating cellular DNA transcription for metabolic activity.

Pregnancy and breastfeeding

Pregnancy: Suitability during pregnancy depends on the specific medicine and individual circumstances. Confirm with a qualified clinician or pharmacist before use. Breastfeeding: Confirm breastfeeding suitability with a qualified clinician or pharmacist before use.

What you will receive

Synthroid is used here as a reference originator brand name to identify the medicine. We are not affiliated with the brand owner, and this listing does not offer the originator product.

  • The supplied product is a generic equivalent containing Levothyroxine, not the originator brand shown as the reference.
  • The exact generic brand, manufacturer and dispatch location are confirmed based on the product, destination and available manufacturer or partner warehouse.
  • Check the final product details at checkout before confirming an order.

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