A patient diagnosed with schizophrenia has been taking haloperidol (Haldol) following an acute psychotic episode. The physical therapist should be alert for which of the following side effects MOST commonly associated with this medication?

1. Facial grimacing and involuntary extremity movements
2. Significant weight gain and elevated serum lipids
3. Constipation and urinary retention
4. Respiratory depression and orthostatic hypotension

Watch the video version on our Youtube channel: https://youtu.be/yu48aNiGCn4