Potassium Iodide dosage:

• Infants less than 1 month old: 16 milligrams.
• Children aged 1 month to 3 years: 32 milligrams.
• Children aged 3 to 18 years old: 65 milligrams.
• Adults, including pregnant and breast-feeding women, and adolescents over 150 pounds: 130 milligrams.

Take for 10 days unless directed otherwise by public-health authorities.