When diagnosing, PLF should be differentiated from Ménière's disease. Tympanostomy has been reported to be a way to diagnose and cure PLF.
Labyrinthine fistula
Eustachian tube dysfunction
Labyrinthitis
Orbital apex syndrome
Arachnoid cyst
Cavernous sinus thrombosis
Optic nerve sheath meningioma
Vitreous hemorrhage