Ect may cause some side effects, including confusion, disorientation, and memory loss.

ECT可能产生短时副作用，包括思维混乱、方向障碍和记忆缺失。

youdao

We now begin to see drug interactions that will cause previously unreported side effects, some of them severe and some of them causing deaths.

我们现在开始看到药物的相互作用，将导致以前未报告的副作用，其中有些严重，其中一些造成死亡。

youdao

Antidepressants may cause mild and often temporary side effects in some people, but they are usually not long-term.

抗抑郁剂在一些人中可以产生温和的、通常短暂的副作用，但是副作用持续得并不长。

youdao

The drug does cause side-effects in some patients, including, rarely, cancer of the lining of the womb, but the scientists said that the increased chance of preventing breast cancer returning far outweighed the risk.

BBC: Breast cancer

Emergency contraception is effective for the first 72 hours after sex, but is more likely to work the sooner it is taken, and can cause side-effects such as nausea and diarrhoea in some women.

BBC: US judge lifts 'morning after' pill age limit

However, some of these can have unpleasant side-effects which cause people to stop taking their medication.

BBC: NEWS | Health | Doctors 'failing manic depressives'