About levothyroxine
Key facts
Who can and cannot take levothyroxine
How and when to take levothyroxine
Side effects
You can take levothyroxine in the morning or at night
It’s a lab-made version of the T4 hormone
Levothyroxine interacts with some medications and foods
It’s safe to take in pregnancy
Common questions about levothyroxine
Levothyroxine is a medication used to treat a thyroid gland (hypothyroidism) that is underactive. Eltroxin is the brand name for this medication.
Thyroid hormones are produced by the thyroid gland and aid in the regulation of energy levels and growth. Levothyroxine is used to replace the thyroid hormone thyroxine, which is deficient.
Levothyroxine is only available with a doctor's prescription. It is available as tablets or as a liquid to be swallowed.
About levothyroxine Key facts Who can and cannot take levothyroxine How and when to take levothyroxine Side effects You can take levothyroxine in the morning or at night It’s a lab-made version of the T4 hormone Levothyroxine interacts with some medications and foods It’s safe to take in pregnancy Common questions about levothyroxine