high blood pressure
"Have been on this medication for 10  years.  Didn't realize that side effects crept up very slowly.  I have an entire list of side effects but the highest on my list are extreme fatigue, trouble breathing, gradual worsening depression and just a massive feeling of unwell.  Besides Benicar, I only take Zantac for GERD issues (which popped up after I began taking Benicar).  I used to be a healthy active man, now I am a sad sick mess.  If I only knew what this medication was doing to me way back then..."