Debunking the Myth: Potassium Iodide Tablets and Radiation Protection

2023-08-27 08:21:36

There is a wild rumor on Luwang that “potassium iodide tablets” can prevent nuclear radiation. (Picture / Taken from “Chengdu Commercial Daily”)

Japan’s Fukushima Daiichi Nuclear Power Plant launched “nuclear wastewater discharge into the sea” on the 24th, which caused panic among the people in mainland China. Recently, not only salt, but also “potassium iodide tablets” that claim to be able to prevent radiation are also very popular; however, pharmacists said that potassium iodide tablets There is no “radiation protection” effect in the description, and overdose of potassium iodide due to fear of radiation may cause thyroid dysfunction.

“Chengdu Business Daily” reported that since Japan announced the discharge of nuclear wastewater into the sea, “anti-radiation, nuclear radiation medicine” has become a hot search term, and some products claiming to be “anti-radiation” have also appeared on online community platforms and online shopping platforms Among them, potassium iodide tablets are the most common, claiming that it can prevent the accumulation of radioactive iodine in the thyroid gland, thereby reducing the major radiation hazards. However, Yang Yong, chief pharmacist of the Department of Pharmacy at Sichuan Provincial People’s Hospital, pointed out that in the instructions for taking potassium iodide, there is no “radiation protection” effect, “it is basically useless.”

“Radiation Protection” products are hot on online shopping platforms. (Picture / Taken from “Chengdu Commercial Daily”)

Yang Yong said that the Internet said that the intake of potassium iodide in advance may be limited to the intake of potassium iodide by the thyroid gland, thereby reducing the intake of radioactive iodine. Such claims are also untenable. In addition, whether it is a healthy person or a person with abnormal thyroid function, taking potassium iodide without authorization will affect the thyroid function of the human body.

Yang Yong explained that the real function of the drug potassium iodide is mainly “prevention and treatment of endemic goiter (commonly known as big neck disease), preparation before surgery for hyperthyroidism, hyperthyroidism crisis (extreme increase in the condition of thyrotoxicosis, life-threatening Serious complications).” He reminded that long-term use of potassium iodide may cause iodine poisoning symptoms such as burning sensation in the mouth and throat, metallic taste and gum pain, stomach discomfort, and severe headache; hyperkalemia may also occur, and the symptoms are Confusion, arrhythmia, numbness and tingling in hands and feet, heaviness and weakness in lower limbs.

Experts warn that eating “potassium iodide tablets” indiscriminately may affect thyroid function. (Picture / Taken from “Chengdu Commercial Daily”)

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Yang Yong appealed that potassium iodide is a “therapeutic drug” rather than a health care product. Don’t take too much potassium iodide because of fear of radiation, which will cause your own thyroid dysfunction. On the other hand, the products claimed to have “radiation protection function” are actually health care products, dietary supplements, etc., which contain very little iodine and potassium.

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