yī / shēng / tí / xǐng / huàn / zhě / àn / guī / dìng / fú / yào / yǐ / miǎn / chǎn / shēng / jī / lěi / dú / xìng

医生提醒患者按规定服药，以免产生积累毒性。

The doctor reminded the patient to take the medicine as directed to avoid cumulative toxicity.