维生素是临床上最常应用的一类药物.其中多数虽然毒性甚低,但随着近年来剂量越用越大,亦有一系列毒性反应的报导,有的甚至造成了严重后果.为此,全面了解维生素类毒性反应,避免盲目滥用,是非常必要的. Vitamins are the most commonly used drugs in clinical practice, most of which, although of low toxicity, report a series of toxic reactions along with the increase of dosage in recent years, and some even have serious consequences. It is very necessary to understand the toxicity of vitamins and avoid blind abuse.