As with other drugs, levothyroxine can cause side effects, such as hair loss and hyperthyroidism (high thyroid hormone levels). Levothyroxine is available as the brand-name drugs Levoxyl ...

Dear Dr. Roach: I have really bad side effects with levothyroxine and Synthroid. Is Cytomel an option? Are there other medications? — P.L. Dear P.L.: There are two main thyroid hormones ...

Levothyroxine is a generic drug that’s prescribed for various conditions, including hypothyroidism in adults and some children. Levothyroxine comes in several forms. The dosage can vary ...