both verapamil and hydrochlorothiazide lowered blood pressure ( 170 +/- 17/109 +/- 6 mm hg pretreatment to 150 +/- 25/95 +/- 8 mm hg with verapamil ; 170 +/- 5/109 +/- 2 mm hg pretreatment to 164 +/- 25/103 +/- 10 mm hg with hydrochlorothiazide ) , but addition of hydrochlorothiazide to verapamil resulted in no added benefit ( 150 +/- 25/95 +/- 8 mm hg vs 150 +/- 20/95 +/- 6 mm hg ) .
C0020649
lowered blood pressure
C0042523
verapamil