in AM, use 美国英语用 aftereffect
N-COUNT [usually plural] 后效；事后影响；副作用；后遗症 The after-effects of an event, experience, or substance are the conditions which result from it. 后效；事后影响；副作用；后遗症
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...people still suffering from the after-effects of the world's worst nuclear accident. [+ of]
仍然因世界上最严重的核事故留下的种种后果而饱受折磨的人们
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He was suffering from shock as well as the after-effects of drugs.
他在受着毒品毒副作用影响的同时还出现了休克。