###Human: What can be done to manage an aggressive patient who speaks loud and beats? ###Assistant: Hi. I understand the problem you are facing, your father has some definite problems. If this behavior is since long like from his middle age then it may be a bipolar disorder. If this behavior has occurred during old age then it is pathological means he needs to be examined and investigated properly for all health-related test for diabetes, hypertension, cholesterol, liver function test, renal function test, test related to prostate and most importantly the MRI brain which may reflect the sings of dementia and Parkinson's disease. His memory needs to be assessed and related to his mental condition. He immediately needs some psychiatric medication to control his behavior which may be mood stabilizers and/or psychotropic medication, it would be multidisciplinary approach means physician, neurologist, and psychiatrist.