Comparison of type I and type II amiodarone-induced thyrotoxicosis
| AIT-I | AIT-II | |
|---|---|---|
| Underlying abnormality | Yes or no | No |
| Radioiodine uptake | Normal/increased | Decreased |
| Pathogenesis | Excess iodide | Destructive |
| Serum IL-6 | Slightly increased | Markedly increased |
| Therapy | Perchlorate (+MMI) | Corticosteroids |