All the important pharmacological interactions affecting thyroid function are described in this book. The first section is devoted to the physiology and biochemistry of thyroid disease, putting the pharmacological interactions into perspective. The second section reviews all the important pharmacological effects on thyroid function and also deals with the impact of other environmental agents. The chapters are written by internationally recognised experts and extensively referenced to provide an up-to-date review of the pharmacological interactions important to the thyroid and its diseases.