Cytomel

Liothyronine

Formulated to alleviate symptoms of hormone deficiency, utilizing synthetic thyroid hormone to manage metabolic levels and restore physiological balance.

Active ingredient
Liothyronine
Supply
Pharmacy
Route
Oral use
Form
Tablet
Strengths
20mcg

Cytomel details

Alternative names
Tertroxin
Therapeutic class
Thyroid Hormone
Pharmacological class
Thyroid Hormone Analog
Minor side effects
headache; nausea; tremor
Moderate side effects
insomnia; tachycardia; sweating
Dosage forms
Tablet
Administration route
Oral use
Supply category
Pharmacist only, dispensed without a prescription
Manufacturer
Mercury Pharma
Onset Time
24–72 hours
Duration
24–48 hours
Storage instructions
Store in a cool, dry place away from light.
Drug interactions
blood glucose lowering drugs; warfarin; cardiac glycosides
Age restrictions
Not recommended for children unless indicated by a specialist.
Contraindications

hypersensitivity to liothyronine; untreated thyrotoxicosis; adrenal insufficiency

Precautions and warnings

use with caution in elderly patients; monitor cardiac function; avoid in patients with cardiovascular disease

Serious side effects

arrhythmia, requires immediate medical attention; angina pectoris, requires immediate medical attention; myocardial infarction, requires immediate medical attention

Patient summary

formulated to alleviate symptoms of hormone deficiency, utilizing synthetic thyroid hormone to manage metabolic levels and restore physiological balance.

Mechanism of action

This medicine acts directly on cellular metabolic processes, mimicking the hormone produced by the thyroid gland to support healthy metabolism, growth, and development throughout the body tissues.

Pregnancy and breastfeeding

Pregnancy: Use with caution as requirements may change. Breastfeeding: Excreted in breast milk; monitor infants closely.

Where this medicine is registered

  • Singapore
  • Hong Kong
  • Thailand
  • Malaysia
  • Philippines
  • Indonesia
  • Taiwan
  • South Korea
  • Japan
  • Australia
  • New Zealand
  • UAE
  • South Africa

About Cytomel

Cytomel is an established brand containing liothyronine, a synthetic thyroid hormone used for the management of hypothyroidism. The same active ingredient is also sold as Tertroxin, supplied as a tablet in the strength of 20mcg. This product is produced by Mercury Pharma to provide consistent hormone replacement therapy.

Buying Cytomel online

Cytomel is registered across 13 markets including South Korea, Japan and the UAE, with availability also in Singapore, Hong Kong and Thailand. Generic liothyronine, much of it made in India, is often more affordable than the original brand, providing an accessible solution for expats and people remote from a well stocked pharmacy. This medication is one of the most ordered items for delivery across our markets.