Journal of Surgical Case Reports article

“Initially diagnosed as Meniere’s disease, the patient was investigated and followed up in the clinic. She reported leakage of carbon monoxide from her gas fire identified during a routine safety check. Her symptoms fully resolved after disconnecting the faulty gas fire. A rare cause of fluctuating hearing loss and vertigo is described, and the diagnostic challenges are discussed.”

Subacute carbon monoxide poisoning presenting as vertigo and fluctuating low frequency hearing loss (nih.gov)