<prompt> Causes of Ophisthotonus isare:CocaineStrychnos Nux Vomica seedCodeineCurare  <response>: TONUS SEEN IN STRYCHNOS NUX VOMICA KUCHILA : OpisthotonusQ - Backward bending of spine. emprosthotonusQ - Forward flexion of spine. pleurosthotonusQ - Lateral flexion of spine. 