high blood pressure
"Took 5mg/day for 2 years.  Very effective at first but began having issues with weakness, joint pain, vision problems.  At one point I was limping with nearly every joint aching, and severe problems with eye dryness and ended up with a corneal ulcer.   It all led up to an ER visit when my BP spiked and pulse raced.   Stopping the medication resulted in the return of my high BP, but all my symptoms went away after about 2 weeks.   Doctors never even connected the lisinopril with the symptoms.  Blood tests showed nothing, but my inflammation numbers had skyrocketed, which meant high risk for heart attack.

Its a dangerous drug for me, never touching it again."