In what form is potassium iodide typically provided for thyroid blocking?

Potassium iodide is typically provided in tablet form for the purpose of thyroid blocking, particularly in cases of potential radioactive iodine exposure. The use of tablets allows for precise dosing and easy administration. This form is favored because it can be stored conveniently and distributed effectively during emergency situations, such as nuclear incidents, where rapid access to the medication is crucial.

Liquid suspensions, while also useful for some medications, may not always deliver the most accurate dosage, particularly for the populations that would need it (such as children or individuals with difficulty swallowing). Powders would require reconstitution, adding complexity and the potential for dosage errors. Creams are not a practical form for this purpose, as potassium iodide is intended to work systemically rather than topically. Thus, the tablet form stands out for its effectiveness, convenience, and reliability in emergency health scenarios.