Psychologists work with the mind, helping people to see things in different ways that might benefit them.
Psychiatrists are doctors. They prescribe drugs and other treatments they believe will reduce the stress in people’s lives and clarify their thoughts so they can move forward constructively.
Both psychologists and psychiatrists look for background risk factors and causes for the confusion and distress that their clients/patients may suffer. Psychologists tend to look at the emotional and physical environment that may contribute to the developing problem. Psychiatrists tend to look at thought processes and other mental mechanisms that have gone awry. Then they try to fix them.
Psychologists look at childhood times as being formative. Psychiatrists look at family history, examining whether there might be a genetic predisposition.