noun
antihypertensive; blood pressure-lowering drug
Medical term for a drug that lowers high blood pressure. Synonymous with 降圧剤 (こうあつざい).
See also: 降圧剤
医師は患者に降圧薬を処方した。
The doctor prescribed an antihypertensive drug to the patient.
降圧剤 is a near-synonym also meaning antihypertensive agent; 降圧薬 is slightly more common in clinical contexts.
Compound of 降圧 (こうあつ, 'lowering blood pressure') + 薬 (やく, 'drug').