| Patients by Age/Sex | Predicted Thyroid Exposure (Gy) |
KI Dose (mg) | No. of 130-mg tablets |
No. of 65-mg tablets |
|---|---|---|---|---|
| Adults >40 yr old |
>5 | 130 | 1 | 2 |
| Adults 18-40 yr |
>0.1 | 130 | 1 | 2 |
| Pregnant or lactating women | >0.05 | 130 | 1 | 2 |
| Adolescents 12-18 yr old | >0.05 | 130 | 1 | 2 |
| Children 3-12 yr old |
>0.05 | >65 | 1/2 | 1 |
| Children 1 mo to 3 yr old |
>0.05 | 32 | 1/4 | 1/2 |
| Neonates birth to 1 mo old |
>0.05 | 16 | 1/8 | 1/4 |
Source: Adapted from U.S. Department of Health and Human Services, Food and Drug Administration (FDA), Center for Drug Evaluation and Research. Potassium Iodide as a Thyroid Blocking Agent in Radiation Emergencies. Available at http://www.fda.gov/cder/guidance/4825fnl.htm.