A total thyroidectomy is a surgical procedure aimed at removing the thyroid gland completely. This operation is typically performed in cases such as thyroid cancer or when the gland suffers from severe conditions that cannot be treated with medication or other therapies. After the surgery, the patient may need to take hormone replacement medications to maintain proper hormonal balance in the body. The procedure is performed under general anesthesia, and the patient is usually closely monitored after the operation to ensure a smooth and safe recovery.