Common side effects
Feeling lightheaded, sleepy, having blurred eyesight, or a change in thinking clearly. Avoid driving and doing other tasks or actions that call for you to be alert or have clear eyesight until you see how this drug affects you. Feeling dizzy. Rise slowly over a few minutes when sitting or lying down. Be careful climbing. Change in sex ability. This most often goes back to normal. Feeling tired or weak. Low mood (depression). Loose stools (diarrhea). Slow heartbeat.