What is the House-Brackmann grading system for Bell palsy (idiopathic facial paralysis) (IFP)?

Updated: Jun 14, 2019
  • Author: Danette C Taylor, DO, MS, FACN; Chief Editor: Selim R Benbadis, MD  more...
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The grading system developed by House and Brackmann categorizes Bell palsy on a scale of I to VI, [3, 4, 5] as follows:

Grade I: normal facial function

Grade II: mild dysfunction

Grade III: moderate dysfunction

Grade IV: moderately severe dysfunction

Grade V: severe dysfunction

Grade VI: total paralysis

See Clinical Presentation for more specific information on patient history and physical examination for Bell palsy.

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