I have been taking simvastatin for about 2 years with good result...

I have been taking simvastatin for about 2 years with good results, but then I started having severe, hang over type headaches plus I started having irregular heart beat (skipping a beat). I just started stopping the med and hoping the symptoms disappear. Also, feel low energy and tired, but anti-anxiety meds that I have taking for years can have this affect as well. The first generic statin drug I took caused almost immediate muscle and joint aches. I need to schedule a doctor visit to discuss this issue because no blood tests have been run in nearly a year...did have 3 at 6 month intervals..no problems. New doctor, new city..not a good situation or comfort zone.