这种药未达到预期效果。

The medicine did not achieve the desired effect.

《牛津词典》

这种药可能会产生预期效果之外的其他效果。

The drug may cause some effect other than its intended one.

youdao

他一天吃三次药，没什么效果。

He took medicine 3 times a day, which didn't work.

youdao

Moreover, modern therapists, including some people who aren't psychoanalytically defined, will say, "Look. These drugs are all well and good " but what they do is they mask the symptoms."

而且，现代的心理治疗师们，包括一些非精神分析治疗师在内，都会说，“这些药效果非常好,但它们治标不治本“

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