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Catatonia or stiffness

Catatonia or stiffness is a topic covered in the Diagnosaurus.

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Severe stiffness or catatonia

  • Catatonic schizophrenia
  • Parkinson's disease
  • Catatonic syndrome due to other CNS causes, e.g., viral encephalitis, CNS bleed
  • Neuroleptic-induced catatonia
  • Seizure or status epilepticus
  • Neuroleptic malignant syndrome
  • Malignant hyperthermia
  • Tetany, e.g., hypocalcemia (usually distal muscles)
  • Dystonic reaction to neuroleptics, e.g., torticollis
  • Huntington's disease
  • Tetanus
  • Strychnine poisoning
  • Lethal catatonia
  • Stiff-person syndrome
  • Meningitis (stiff neck)
Mild stiffness
  • Arthritis, e.g., osteoarthritis, rheumatoid arthritis, pseudogout
  • Early parkinsonism
  • Fibromyalgia
  • Polymyalgia rheumatica

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Last updated: December 1, 2014


Zeiger, Roni F.. "Catatonia or Stiffness." Diagnosaurus, 4th ed., McGraw-Hill Education, 2014. Emergency Central, emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114952/all/Catatonia_or_stiffness.
Zeiger RF. Catatonia or stiffness. Diagnosaurus. 4th ed. McGraw-Hill Education; 2014. https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114952/all/Catatonia_or_stiffness. Accessed April 21, 2019.
Zeiger, R. F. (2014). Catatonia or stiffness. In Diagnosaurus. Available from https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114952/all/Catatonia_or_stiffness
Zeiger RF. Catatonia or Stiffness [Internet]. In: Diagnosaurus. McGraw-Hill Education; 2014. [cited 2019 April 21]. Available from: https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114952/all/Catatonia_or_stiffness.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC T1 - Catatonia or stiffness ID - 114952 A1 - Zeiger,Roni F, Y1 - 2014/12/01/ BT - Diagnosaurus UR - https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114952/all/Catatonia_or_stiffness PB - McGraw-Hill Education ET - 4 DB - Emergency Central DP - Unbound Medicine ER -