Final answer:
The medication that could cause these symptoms is haloperidol.
Step-by-step explanation:
The medication that could cause these symptoms in the 62-year-old female with bipolar disorder is haloperidol. Haloperidol is an antipsychotic medication that can cause side effects such as altered mental status, dysarthria (difficulty speaking), and ataxia (lack of coordination and balance).A 62-year-old female with bipolar disorder develops altered mental status, dysarthria, and ataxia after additional medications are combined with her lithium treatment in the hospital. One medication that has the potential to cause these symptoms is haloperidol, an antipsychotic that can cause side effects impacting motor control. It's important to note that these symptoms may arise as a result of interaction with lithium or as a direct consequence of haloperidol's action on the nervous system.