This study was conducted to investigate any potential reaction between irbesartan and hydrochlorothiazide.
Inclusion Criteria:
At least 18 years old and not more than 45 healthy normotensive male volunteers Who had passed all the screening parameters
Exclusion Criteria:
A clinically significant abnormal physical exam, medical history, or laboratory studies If they showed a sitting SBP of >140 or <100 mmHg, DBP > 90 or <60mm Hg, or a pulse rate of > 95 or < 50 beats/min at screening The use of any prescription drug within the previous month or use of any over-the-counter medication within the past 14 days A history of blood dyscrasias A history of alcohol or drug abuse within the past year Donation of blood during the 8 weeks prior to the study or plans to donate blood during or within 8 weeks of completing the study Unable to tolerate vein puncture and multiple blood samplings Any surgical/medical condition that might alter drug absorption, distribution, metabolism, or excretion