Hi, I Have Been Taking Benazepril 20 Mg For Years.

Hi, I have been taking benazepril 20 mg for years. Lately I have been extremely tired,my patient level has decreased and I have had 3 episodes of havingmy vision goes everything around me turns bright white and i don't hear everything . It is embarresing and scary. It passes quickly but it is like i don,t know what is happening. could this be caused by benazepril