gěi lǎorén mǎi yào shí yào shuōmíng mànxìngbìng zhèngzài chī de yào hé guòmǐnshǐ

给老人买药时，要说明慢性病、正在吃的药和过敏史。

When buying medicine for the elderly, explain their chronic illnesses, current medications, and allergy history