The most common cause of mastoiditis is bacterial infection after or during middle ear infection. The causes are Streptococcus pneumoniae, Streptococcus pyogenes, and Staphylococcus aureus . Staphylococci, Pseudomonas species and polymicrobials present predominantly seen in non-acute mastoiditis.
What causes mastoiditis?
The most common cause of mastoiditis is bacterial infection after or during middle ear infection. The causes are Streptococcus pneumoniae, Streptococcus pyogenes, and {{ORGANIZATION}} aureus . Staphylococci, Pseudomonas species and polymicrobials present predominantly seen in non-acute mastoiditis.