According to an article in Newsweek the drug could have side effects.

据一篇《新闻周刊》上的文章，这种药物可能有副作用。

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Many of them may not work or may have side effects that can be dangerous.

许多药物可能不起作用，或者可能有危险的副作用。

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Not have side effects (setter).

不要产生副作用(setter)。

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They also have side effects such as an increased risk of infection.

VOA: special.2010.05.19

And against that, we could have the pessimists who say, "The negative side especially once we throw in the negative interaction effects, the negative side is so great that " that it would be better never to have been born at all."

而与此相反，可能有悲观主义者说，“消极的方面,特别是我们一旦把负面相互影响考虑进去，消极的方面就会变得,让我们觉得还是压根别出生的好“

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The agency notes that many medicines to treat the disease have serious side effects while some carry risks.

VOA: special.2009.01.06

Like all medication it can have side effects, so it should not be used without medical supervision.

BBC: NEWS | Health | Bodybuilders' 'breast drug abuse'

Current classes of antibiotics often have side effects, includ-ing changes in heart rhythm and liver toxicity.

FORBES: Magazine Article

He called for controlled trials, and warned even "natural" products could have side effects.

BBC: Herbal 'heartburn' treatment