Unapproved use is at best worrying and unfair, and at worst dangerous and immoral.

未经批准擅自用药，往好说，令人忧虑、不公平，往坏说，就是危险、不道德。

youdao

This is considered an off-label (unapproved) use. Healthcare professionals should communicate the risk of hypomagnesemia to patients if they are recommending prolonged use of an OTC PPIs.

如果医疗保健专业人员建议患者如此延长非处方类质子泵抑制剂使用的时间，应当与患者沟通由此可能发生的低镁血症的风险。

youdao

Consumers have been advised to contact their healthcare provider with any questions or concerns regarding their use of unapproved quinine products.

建议消费者去健康中心咨询使用未被批准的奎宁类药物的情况。

youdao

It also pushed for use in unapproved amounts.

VOA: special.2009.09.11

The biotech is actually restricting Avastin sales now to cut down on unapproved use.

FORBES: Magazine Article

In fact, the biggest blow to what doctors say is evidence of unapproved use of Natrecor.

FORBES: Magazine Article

Unapproved use is at best worrying and unfair, and at worst dangerous and immoral.

ECONOMIST: Drugs to make you cleverer are in the test-tube. Good