Potassium Iodide (chemical symbol: KI): WARNING

Americans should treat KI with caution. While normally inert, it can hurt those who are allergic to iodine or shellfish and those who suffer some skin ailments, renal disease, and thyroid conditions. KI can induce nausea, rashes, swollen salivary glands, and other allergic responses. . .

Keep Potassium Iodide Handy for Nuclear Emergencies