What is the role of serum titers (IgM and IgA) for M pneumoniae in patients with 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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Serum titers (IgM and IgA) for Mycoplasma pneumoniae may be obtained. A study in Germany measured titers in patients with Bell palsy and found that several patients had elevated titers for M pneumoniae, though only 2 of those who tested positive had respiratory symptoms. [37]

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