What is Akathisia and what does it have to do with Psych Meds? Akathisia is a movement disorder characterized by a feeling of inner restlessness and an inability to sit still. It is often a side effect of certain medications, particularly antipsychotic drugs. People with akathisia may experience symptoms such as constant pacing, fidgeting, or rocking back and forth. It can be quite distressing and may lead to difficulty sleeping or concentrating. Treatment options for akathisia include adjusting