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Thyroxine - Indications, Dosage, Side Effects and Precautions

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Information about Thyroxine

Generic Name : Thyroxine
Up-to-date prescription details regarding Thyroxine are provided here.

Pronunciation : thy-rox-ine

Learn the correct pronunciation of the Thyroxine, understand it's uses, recommended dosages, its indications, how to take, when to take, when not to take, side effects, special precautions, warnings and its and its storage instructions.
You will also find a list of the medication's International and Indian brand or trade names, as well as its pricing information. For verification of the information presented on this page or for additional clarifications, it's advisable to consult your doctor.


Therapeutic Classification : Thyroid And Antithyroid Agents

Trade Names/Brand Names of Thyroxine

India :

International :


Synthroid, Thyrax, Euthyrox, Levoxyl, Levothroid, Levaxin, L-Thyroxine, Eltroxin, Thyrox

Why is Thyroxine Prescribed? (Indications)

This medication is a thyroid hormone, prescribed for hypothyroidism, and thyroid cancer.

When should Thyroxine not be taken? (Contraindications)

Contraindicated in patients with untreated hyperthyroidism, recent heart attack and hypersensitivity.

What is the dosage of Thyroxine?

Adults: Initial dose of 50-100mcg increased by 25-50 mcg at 3-4 weeks interval. Max: 150-300mcg daily.
Children: 25-150-mcg daily with 25mcg increments every 2-4 weeks.

How should Thyroxine be taken?

It comes as a tablet to take by mouth, on an empty stomach.

What are the warnings and precautions for Thyroxine?

• Caution should be exercised in patients with history of difficulty in swallowing, heart disease, high blood pressure, bleeding disorder, anemia, sugar, osteoporosis, fertility problems, other thyroid problems, any allergy, who are taking other medications, during pregnancy and breastfeeding.

• Monitor blood sugar regularly while taking this medication.

What are the side effects of Thyroxine?

Nervousness, excitability, tremor, muscle weakness, cramps, increased sweating, flushing, heat intolerance, headache, insomnia, rapid heart rate, palpitations, chest pain, excessive weight loss, menstrual irregularities, diarrhea and vomiting.

What are the other precautions for Thyroxine?

Avoid excess dosage.

What are the storage conditions for Thyroxine?

Store it at room temperature.
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