Buhari left Nigeria for the UK on June 6 to rest and also see an E.N.T. specialist for ear infection evaluation, his spokesman, Femi Adesina, had said.

Adesina said in a statement that Buhari’s Personal Physician and an E.N.T. Specialist had recommended further evaluation of the ear after they had examined him.

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Buhari had been diagnosed with Meniere Disease, a disorder of the inner earthat causes episodes in which you feel as if you're spinning (vertigo), and you have fluctuating hearing loss with a progressive, ultimately permanent loss of hearing, ringing in the ear (tinnitus), and sometimes a feeling of fullness or pressure in your ear.