In China, 药 (yào) is not a monolithic concept. It's immediately divided into two major categories:
A key difference from the typical Western perspective is the philosophy behind TCM. While a Westerner might take an antibiotic to “kill” a specific bacteria, a Chinese person taking 中药 (zhōngyào) might be trying to “clear heat” (清热, qīngrè) or “strengthen qi” (补气, bǔqì). The goal is often holistic—to restore the body's natural equilibrium so it can heal itself. This is different from the Western approach of isolating and attacking a specific pathogen or symptom. You'll see both types of 药 (yào) sold in the same 药店 (yàodiàn), or pharmacy, reflecting the pragmatic integration of both systems in modern Chinese life.