Boxed Warning Take potassium iodide (KI) only when public officials tell you. In a nuclear radiation emergency, radioactive iodine could be released into the air. KI protects only the thyroid gland from uptake of radioactive iodine. Therefore, KI should be used along with other emergency measures that will be recommended to you by public officials. If you are told to take this medicine, take it 1 time every 24 hours. Do not take it more often. More KI will not help you. Too much KI may increase the chances of side effects. Do not take this medicine if you know you are allergic to iodine (see SIDE EFFECTS below).
openFDA text is shown for search and cross-checking; DailyMed SPL is canonical.
Warnings sections page 1 of 1 · 1 matching rows.
warnings
Warning Allergy alert: Iodine may cause an allergic reaction with 1 or more of the following symptoms: shortness of breath or wheezing swelling skin rash trouble breathing, speaking or swallowing fever and joint pain DO NOT USE IF YOU HAVE ever had an allergic reaction to iodine nodular thyroid disease with heart disease hypocomplementemic vasculitis dermatitis herpetiformis STOP USE AND ASK A DOCTOR IF YOU HAVE an allergic reaction. Get medical help right away if you have trouble breathing, speaking or swallowing; shortness of breath; wheezing; swelling of the mouth, tongue or throat; or rash. irregular heartbeat or chest pain. Get medical help right away. swelling of the hands or feet, fever, or joint pain. KEEP OUT OF REACH OF CHILDREN. In case of overdose, get medical help or contact a Poison Control Center right away.