POTASSIUM IODIDE, KI (puh TAS ee uhm AHY uh dahyd) is used to treat certain thyroid conditions. It is also used to prevent thyroid damage after a nuclear radiation emergency.
Take this medicine by mouth. Follow the directions on the package or prescription label. Mix the dose in one glass of water, fruit juice, or milk. Take with food or milk. Use a specially marked spoon or container to measure each dose. Ask your pharmacist if you do not have one. Household spoons are not accurate. Take your medicine at regular intervals. Do not take your medicine more often than directed.
Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed.
Side effects that you should report to your doctor or health care professional as soon as possible:
allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
burning in mouth, throat
fast, irregular heartbeat
fever with joint pain
lump or swelling on the neck
pain, tingling, numbness in the hands or feet
unusual aches, pains
unusual bleeding, bruising
unusually weak or tired
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
Do not take this medicine with any of the following medications:
other medicine for the thyroid
This medicine may also interact with the following medications:
certain diuretics like spironolactone, triamterene
certain medicines for high blood pressure or heart failure like enalapril
If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.
Keep out of the reach of children.
Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Protect from light. At lower than room temperature, crystals may form in this medicine. If crystals form, let the bottle warm to room temperature and shake to dissolve. Throw this medicine away if it turns brownish yellow. Throw away any unused medicine after the expiration date.
They need to know if you have any of these conditions:
high levels of potassium in the blood
an unusual or allergic reaction to potassium iodide, iodine, other medicines, foods, dyes, or preservatives
pregnant or trying to get pregnant
Visit your doctor for regular checks ups. You may need blood work done while you are taking this medicine.