Medically Reviewed by Dr. Harshi Dhingra, M.D.

Last Reviewed: Jul 08, 2022

Pros & Cons


What are the pros and cons of Levoxyl?

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  • Levoxyl is effective in replacing thyroid hormone and relieving symptoms of underactive thyroid.
  • You only need to take this medication once a day.
  • It is usually well-tolerated, and the side effects, if any, typically go away in a few days.
  • Levoxyl can be safely given to people of all ages, including young children and pregnant women.
  • This medication is available in a low-cost generic form.

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  • You need to take levothyroxine sodium tablets and capsules away from meals and other medications.
  • It can take 6-8 weeks to see the effects of levothyroxine therapy and notice an improvement in symptoms.
  • It can take several months of dose adjustments to find the right dose and achieve normal serum TSH levels.
  • You need routine blood tests for thyroid hormone levels while taking Levoxyl.
  • This medication needs to be used with caution in people with nontoxic diffuse goiter, benign thyroid nodules, and thyroid inflammation and infection.