You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is A PATIENT OF SCHIZOPHRENIA TREATED FOR 5 YEARS DEVELOPE PERIORAL MOVEMENTS. LIKELY DIAGNOSIS IS: and explain in detail?
* TARDIVE DYSKINESIA IS THE MOST COMMON DELAYED ( LATE) COMPLICATION OF ANTIPSYCHOTIC MEDICATION * IT IS CHARACTERISED BY PURPOSELESS, INVOLUNTARY FACIAL AND LIMB MOVEMENTS TARDIVE DYSKENYSIS * MUSCULAR DYSTONIA : - IS CHARACTERISED BY BIZZARE MUSCLE SPASMS SPECIALLY AFFECTING LINGUOFASCIAL MUSCLES - GRIMACING ETC.OCCURS WITHIN FEW HOURS OF A SINGLE DOSE AT MOST MOST WITHIN A WEEK. MUSCULAR DYSTONIA THUS W HILE FACIAL MOVEMENTS CAN BE A FEATURE OF BOTH TARDIVE DYSKINESIA AND MUSCULAR DYSTONIA, THOSE DEVELOPING AS LATE AS 5 YEARS AFTER INSTITUTION OF TREATMENT ARE LIKELY TO BE DUE TO BE DUE TO TARDIVE DYSKINESIA. * AKATHASIA : REFERS TO REST LESSNESS / F EELING OF DISCOMFO / APPARENT AGITATION FACIAL MOVEMENTS ARE NOT A FEATURE. AKATHASIA * MALIGNANT NEUROLEPTIC SYNDROME : IS CHARACTRISED BY RIGIDITY, IMMOBILITY, FEVER, FLUCTUATING BP AND HEA RATE. FACIAL MOVEMENTS ARE NOT A FEATURE REF : HARRISONS 20TH ED