A woman has been treated with chlorpromazine for several years. lately she seems to be chewing gum all the time and her arms are always in motion. she has begun to display twitching facial tics. this is an example of:

Chlorpromazine (also knowns as Thorazine) is a drug used for treating mood and / or psychotic disorders. It makes the person think clearly and less fidgety as it slower the inhibition of self-harm or harming others. As for the woman displaying facial twitches, it may be a sign of EPS or extra-pyramidal symptoms.