[souffle]

I would take him in. An anti-inflammatory like metacam can help reduce any brain inflammation and help with pain relief as well with a stroke. It is possible that the ear infection is back and they can also get infections in the pouches or the roots of the teeth as well as brain tumours which can present with similar symptoms. I hope the vet can help but you will know you have done your best at least anyway once you have had him seen.