Are allergic to Levoxyl, levothyroxine sodium, or any of the inactive components used to make the medication. Your healthcare provider or pharmacist has a list of the inactive ingredients.
Have an overactive thyroid (hyperthyroidism) or a low TSH (which can be an early symptom of hyperthyroidism).
Have untreated adrenal insufficiency, as Levoxyl can cause serious problems unless this condition is appropriately treated.
There are a number of situations in which Levoxyl should not be taken, along with several precautions and warnings people should be aware of before taking the medication. However, it is possible that not all of the warnings or precautions were discussed in this article. Therefore, you should talk with your healthcare provider about the specific Levoxyl warnings and precautions that may apply to you.