Guanfacine
"I have been on this 1.5 weeks, it works fantastic for high blood pressure.  Much quicker than 3 previous meds I've tried.  I have serious bladder issues and this has had the unexpected side effect of slowing down my need to visit the loo constantly.  I sleep really well with this medicine, but it makes me tired during the day and hope that will subside soon, I have nodded off at my desk at work several times this week.  Finally, it has increased my appetite and I really want that side effect to go away."