用药不当会引起严重的不良反应。

The improper use of medicine could lead to severe adverse reactions.

《柯林斯英汉双解大词典》

如果使用不当，治疗可能引起危险甚至致命的不良反应。

The treatments can cause dangerous and even deadly reactions if not used carefully.

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矿物油公认是高功效的但是有可能引起某些抗原的局部不良反应。

Mineral oil is known to be efficient but can induce local reaction with some antigens.

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当你变更服用药物时，请咨询你的医生，以免药物引起的不良反应。

Consult your doctor before you switch medications to avoid adverse reactions.

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你也知道它会引起什么样的不良反应。

You know, too, what a black reaction comes upon you.

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你也知道它会引起什么样的不良反应。

You know, too, what a black reaction comes upon you.

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