ST LOUIS (MD Consult) - On June 15, 2010, the US Food and Drug Administration issued a warning that a potential risk exists for overdosing infants with liquid vitamin D. This risk is related to dispensing droppers that are sold with some vitamin D products. Because these droppers can hold a greater amount of liquid vitamin D than an infant should receive, parents could accidentally administer excessive, and potentially harmful, quantities of the product.

Infants given excessive amounts of vitamin D may experience nausea and vomiting, loss of appetite, polydipsia, polyuria, constipation, abdominal pain, muscle weakness, myalgia, arthralgia, confusion, and fatigue, as well as more serious consequences like kidney damage.

The American Academy of Pediatrics has recommended a dose of 400 international units (IU) of vitamin D supplement per day to breastfed and partially breastfed infants. The easiest way to insure that an infant will not get more than the recommended dose is to suggest a product supplied with a dropper that will dispense no more than 400 IU per dose.

圣路易斯(MD Consult)——2010年6月15日，美国食品药品管理局发布了一则警示，内容为使用液体维生素D存在潜在过量风险。此风险与滴管有关，市售的滴管内含有少量维生素D。由于这类滴管容纳的液体维生素D量远大于婴儿应该接受的量，故父母们可能有时会给予过量的且有潜在毒性的维生素D。

婴儿接受过量的维生素D可出现恶心和呕吐、食欲不振、烦渴、多尿、便秘、腹痛、肌无力、肌痛、关节痛、神志不清及疲乏，甚至肾损害等更为严重的后果。

美国儿科学会已推荐母乳喂养和部分母乳喂养的婴儿每日维生素D的补充量为400 IU。确保婴儿维生素D摄入量不超过建议量的最简单方法为推荐一种配备有滴管、将给药量限制在不超过400 IU/剂的产品。

 

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