<prompt> Munchausens syndrome by proxy involves-Drug abuseToxin-mediated neuropsychiatricIllness caused by care giverAll of the above  <response>: Munchausens syndrome by proxy is a form of child abuse in which a patent, usually the mother, or a caretaker repeatedly fabricates or actually inflicts injury or illness in a child for whom medical intervention is then sought, often in an emergency setting. 