Table 1.
Mechanism of action of antithyroid drugs
| Intrathyroidal inhibition of: |
| Iodine oxidation/organification |
| Iodotyrosine coupling |
| Thyroglobulin biosynthesis |
| Follicular cell growth |
| Extrathyroidal inhibition of T4/T3 conversion (PTU) |
Mechanism of action of antithyroid drugs
| Intrathyroidal inhibition of: |
| Iodine oxidation/organification |
| Iodotyrosine coupling |
| Thyroglobulin biosynthesis |
| Follicular cell growth |
| Extrathyroidal inhibition of T4/T3 conversion (PTU) |