Synthroid is the brand-name form of levothyroxine. They’re both prescribed for certain thyroid conditions, including hypothyroidism caused by Hashimoto disease (also called Hashimoto thyroiditis). If ...

Levothyroxine is the generic version of several brand-name drugs, such as Synthroid, Unithroid, and Euthyrox. In general, generic drugs tend to cost less than brand-name drugs. The cost of ...

Common side effects of levothyroxine include tremors, insomnia, heart-related problems, headache, and muscle spasms or muscle weakness. It’s possible for levothyroxine to cause long-term side effects, ...

MONTREAL — Patients who discontinue levothyroxine for subclinical hypothyroidism may gravitate towards becoming mildly hypothyroid again, but they importantly show no differences in terms of symptoms ...