Medications such as amitriptyline, fluoxetine (Prozac), and sertraline (Zoloft) can lower blood pressure or affect brain signaling, leading to lightheadedness or unsteadiness, particularly when standing up.
3. Antipsychotics
Drugs like haloperidol (Haldol), risperidone (Risperdal), and olanzapine (Zyprexa) may cause sedation, muscle stiffness, and inner ear dysfunction, all of which can disturb balance.