noun
vasodilator; vasodepressor
Medical term for a drug that dilates blood vessels, used to lower blood pressure or improve circulation.
医師は高血圧の患者に血管拡張薬を処方した。
The doctor prescribed a vasodilator for the patient with hypertension.
血管収縮薬 is a vasoconstrictor, the opposite of 血管拡張薬.
Compound of 血管 (blood vessel), 拡張 (dilation), and 薬 (drug).