Ma'anar ƙamus na kalmar "maganin antihypertensive" yana nufin duk wani magani ko wani abu da ake amfani dashi don magance ko sarrafa hawan jini (hawan jini) a cikin daidaikun mutane. Wadannan kwayoyi suna aiki ta hanyar rage matakan hawan jini a cikin jiki, wanda zai iya taimakawa wajen rage haɗarin bugun zuciya, bugun jini, da sauran cututtuka na zuciya da jijiyoyin jini da ke hade da hauhawar jini. Akwai nau'ikan magungunan rage hawan jini da yawa, ciki har da diuretics, beta blockers, ACE inhibitors, angiotensin receptor blockers (ARBs), calcium channel blockers, da renin inhibitors, kowannensu yana da nasa tsarin aiki da kuma illa masu illa.