Most common: 

• Vomit and nausea
  • occurs within the first days
  • triggered by medications and motion 
• Sore throat 
  • after removing the tube
• Confusion
   
• Muscle aches 
   
• Chills and shivering 

Less common: 

• Delirium
  • mental confusion
• Cognitive dysfunction
  • long term memory loss
• Malignant hypothermia
  • inherited 
  • fever and muscle contractions