Typical manifestations include pacing around, wringing of the hands, uncontrolled tongue movement, pulling off clothing and putting it back on, and other similar actions.
[1] In more severe cases, the motions may become harmful to the individual, and may involve things such as ripping, tearing, or chewing at the skin around one's fingernails, lips, or other body parts to the point of bleeding.
Intramuscular midazolam, lorazepam, or another benzodiazepine can be used both to sedate agitated patients and to control semi-involuntary muscle movements in cases of suspected akathisia.
[14] Recently, three atypical antipsychotics, olanzapine, aripiprazole and ziprasidone, have become available and FDA approved as an instant release intramuscular injection formulations to control acute agitation.
In those with psychosis causing agitation, there is a lack of support for the use of benzodiazepines alone, however they are commonly used in combination with antipsychotics since they can prevent side effects associated with dopamine antagonists.