adjective. Reducing or controlling high blood pressure.

noun. An antihypertensive drug.

noun. an agent that prevents or counteracts hypertension

adjective. preventing or counteracting hypertension

noun. a drug that reduces high blood pressure

"Compared with similar patients who took dummy pills, those who took so-called antihypertensive medication cut their risk of stroke by 23 percent;"

medicament  medication  medicinal drug  medicine  

ACE inhibitor  Catapres  aldactone  aldomet  alpha methyl dopa  

adjunctive  anticancer  anticonvulsant  antiphlogistic  antiplatelet