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Thyroxine information from DrugsUpdate  

See Available Brands of Thyroxine in India

Thyroxine, also called as Levothyroxine, is indicated for the treatment of hypothyroidism. Thyroxine is also prescribed for the management of other similar disorders including thyroid malignancies and goitre.


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Thyroxine Indications / Thyroxine Uses

No information available

Thyroxine Adverse Reactions / Thyroxine Side Effects

Thyroxine can cause excessive weight loss, insomnia, muscle weakness, flushing, headache, paced heart beats, palpitations, chest pain, menstrual problems, diarrhoea and heat intolerance.


Thyroxine is contraindicated in patients with difficulties in swallowing, heart disorders, hypertension, anemia, osteoporosis, thyroid disorders, bleeding disorders, diabetes mellitus and allergy to synthetic formulations.

Special Precautions

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Other Drug Interactions

Thyroxine may interact with other drugs such as theophylline, digoxin and other anticoagulants including warfarin and heparin.

Other Interactions

No information available


The recommended initial adult dosage of Thyroxine is 50-100 mcg/day. The dosage can be increased by 25-50 mcg at 3-4 weeks intervals. The maximum daily dose should not exceed 150-300 mcg.
The recommended initial pediatric dosage of Thyroxine is 25-150 mcg/day. The dosage can be increased by 25 mcg every 2-4 weeks.


Thyroxine should be preferably taken before food intake

List of Contraindications

Thyroxine and Pregnancy

USFDA pregnancy category B. Thyroxine may not cause harm to an unborn foetus.
Before Thyroxine treatment, the patient should discuss with the physician, if they are planning for a pregnancy.

Thyroxine and Lactation

It is unclear whether Thyroxine could pass through the breast milk to a breast feeding baby. Consult a healthcare provider before taking Thyroxine, if you are nursing mother.

Thyroxine and Children

The dosage and duration should be as prescribed by an endocrinologist

Thyroxine and Geriatic

No information available

Thyroxine and Other Contraindications

No information available


Store it at room temperature.

Lab interference

Store it at room temperature.

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