在英文中，"looking for medicine" 或 "searching for medicine" 都可以用来表示 "到处找药" 的意思。
这两个短语的来源都很简单，它们都是由两个单词组合而成的。"Look for" 是一个短语动词，意思是 "寻找，查找"，而 "medicine" 是名词，意思是 "药"。所以，"look for medicine" 就是在寻找药的意思。"Search for" 与 "look for" 的意思相似，都是指寻找某物，所以 "search for medicine" 也可以用来表示到处找药。
下面是一些使用 "looking for medicine" 和 "searching for medicine" 的例句：
I'm looking for medicine for my headache. (我在找头疼药。)
He's searching for medicine for his sore throat. (他在找咽喉疼痛的药。)
She's been looking for medicine for her allergies all day. (她整天都在找过敏的药。)
They're searching for medicine to help them sleep. (他们在找帮助他们入睡的药。)