Levothyroxine Other names: L-thyroxine 3,5,3',5'-tetraiodo-L-thyronine Levothyroxine sodium Synthetic T4

Chemical formula: C₁₅H₁₁I₄NO₄  Molecular mass: 776.87 g/mol  PubChem compound: 5819

Therapeutic indications

Levothyroxine is indicated for:

Congenital hypothyroidism

Population group: only newborns (0 - 40 days old) , infants (40 days - 1 year old)

Congenital hypothyroidism

For this indication, competent medicine agencies globally authorize below treatments (click for details):

Hypothyroidism

Population group: only adults (18 years old or older)

Hypothyroidism

For this indication, competent medicine agencies globally authorize below treatments (click for details):

Acquired hypothyroidism

Population group: only infants (40 days - 1 year old) , children (1 year - 12 years old) , adolescents (12 years - 18 years old)

Acquired hypothyroidism

For this indication, competent medicine agencies globally authorize below treatments (click for details):

Juvenile myxedema

Population group: only children (1 year - 12 years old) , adolescents (12 years - 18 years old)

Juvenile myxedema

For this indication, competent medicine agencies globally authorize below treatments (click for details):

Contraindications

Levothyroxine is contraindicated in the following cases:

Thyrotoxicosis

Thyrotoxicosis

Adrenal gland disorder, adrenal insufficiency

at least one of
Disorder of adrenal gland
Adrenal cortical hypofunction

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Factors such as age, gender, and health history are evaluated to create a personalized medication regimen.

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