Cannot hear to right ear. October 2023z!

04/10/2023 Sudden loss of hearing in the right ear. Been given steroid injections every Monday for 3 weeks. These have now stopped. Has random periods of severe vertigo. He cannot walk, cannot work, cannot open his eyes some days. The vertigo comes on very badly. Tries to vomit but does not vomit. Other ear is functioning well. No known cause for sudden loss of hearing. CT scan MRI scan normal Blood work all normal Hearing loss is severe. Cannot hear anything but static and interference noises in RIGHT EAR. Has been given cyclizine and prochloropremaizne when he needs it. Only takes when he needs but does not work. If he takes these medications he still can't go to work or open his eyes. He just lays in bed with a bucket wanting to vomit. He is other wise fit and healthy. No medical conditions. Does not smoke. He use to drink alcohol but only 2-3 drinks a week. He use to drink coffee 1 cup a day He no longer drinks alcohol and coffee. Stopped since the 4th of October 2023z