Peripheral vertigo + hearing loss + middle ear findings
Severity depends on type of<unk> :
Acute suppurative<unk> 
Caused by extension of infection from otitis media, meningitis, mastoiditis
Signs of toxicity
Serous<unk> 
Caused by inflammatory response to nearby infections (including viral)
May find serous serous fluid behind tympanic membrane
Clinical course similar to Vestibular Neuritis (Neuronitis)
Severity depends on type of<unk> :
Acute suppurative<unk> 
Caused by extension of infection from otitis media, meningitis, mastoiditis
Signs of toxicity
Serous<unk> 
Caused by inflammatory response to nearby infections (including viral)
May find serous serous fluid behind tympanic membrane
Clinical course similar to Vestibular Neuritis (Neuronitis)
Acute suppurative<unk> 
Caused by extension of infection from otitis media, meningitis, mastoiditis
Signs of toxicity
Serous<unk> 
Caused by inflammatory response to nearby infections (including viral)
May find serous serous fluid behind tympanic membrane
Clinical course similar to Vestibular Neuritis (Neuronitis)
Caused by extension of infection from otitis media, meningitis, mastoiditis
Signs of toxicity
Caused by inflammatory response to nearby infections (including viral)
May find serous serous fluid behind tympanic membrane
Clinical course similar to Vestibular Neuritis (Neuronitis)
May find serous serous fluid behind tympanic membrane
Labyrinthitis
Vestibular/otologic
Vestibular neuritis
Benign paroxysmal positional vertigo 
Orbital compartment syndrome
Traumatic 
Cavernous sinus thrombosis
Infection