Asked for female, 42 years old from Tirupati
Hello and welcome to Lybrate. Having musle pain in a single muscle after taking olanzapine is due to myoclonus, which is a condition in which single muscle starts contracting and sometime itvmay be painful. Get urself evaluated by an expert Psychiatrist. There are many other safer antipsychotics option available and proper evaluation of your syptomatology and other factors suitable other medication may be choosen. Thanks and hope it will be helpful for you.