Clozapine is making friend act weird, is that a normal side effect?

No: Speak to your friend and feel free to call his/her physician. A true friend is ready to speak up when something like this happens.

Not normal: Per Drugs.COM agitation or confusion can occur in 1 to 10% of people taking Clozapine. People who are taking Clozapine may be taking if for conditions like Schizophrenia, Schizoaffective Disorder or Bipolar Disorder. So your friend may be showing symptoms of a mental health condition or this could be adverse effect. Your friend should tell his/her psychiatrist.