<unk><unk> , also known as<unk><unk> , is<unk>  gland that has been dried and powdered for medical use. It is used to treat hypothyroidism. It is less preferred than levothyroxine. It is taken by mouth. Maximal effects may take up to 3 weeks to occur. Side effects may occur from excessive doses. This may include weight loss, fever, headache, anxiety, trouble sleeping, arrythmias, and heart failure. Other side effects may include allergic reactions. Use in pregnancy and breastfeeding is generally safe. Regular blood tests are recommended to verify the appropriateness of the dose. They contain a mixture of thyroxine (T4) and triiodothyronine (T3).<unk><unk>  has been used since the late 1800s. It is usually made from pigs, sheep, or cows. It is available as a generic medication. In 2017, it was the 130th most commonly prescribed medication in the United States, with more than five million prescriptions. Usage has decreased since the 1960s.
Desiccated thyroid extract
Hyoid suspension
Radioactive tracer
Lugol's iodine
Thyroidectomy
Brexucabtagene autoleucel
Tyrode's solution
Brompton cocktail