http://www.medications.com/effect/view/42501 Me too... I've had a nagging cough ever since an upper resp tract infection (treated & improved w Z-pak). This has been over a month ago. I started Lisinopril:HCTZ combo many months ago & no complaints before. Could drug be the cause of my cough? I'v Mon, 29 Jun 2009 12:42:29 -0400 http://www.medications.com/effect/view/42501?item=21022 I have had unbelievable coughing that nothing can relieve ( as well as a host of other unexplainable debiliations) since taking the diovan HCT- but keep getting told that it's not the diovan HCT. The strongest cough prescriptions had no effect on the cough http://www.medications.com/effect/view/42501?item=21022