Primidone can cause drowsiness, listlessness, ataxia, visual disturbances, nystagmus, headache, and dizziness. Symptoms of susto are thought to include nervousness, anorexia, insomnia, listlessness, fever, depression, and diarrhea. Fatigue, listlessness, and psychosomatic worries are also part of the syndrome. It is translated to apathetic listlessness; depression without joy. His thesis was entitled "Listlessness is Better than Laziness" and was supervised by Nico Habermann. Trying to rouse him, she laments his listlessness and scolds that he is without purpose. Clinical symptoms include hair loss or lack of coat, over- or under-weight, and listlessness. The infection of new-born chicks was characterized by gasping and listlessness. Souza notices his listlessness that is attributed to hints of his being orphaned.