My vet suggested an mri scan to determine if my Lab has a brain tumor. But this is done under general anaesthesia. I am a little reluctant to put an 11-year-old through this procedure. Apart from this suggestion the vet went through the usual guesses...

My 11-year-old black Labrador had a cluster of fits for the first time 9 months ago and needed emergency treatment to stop them. She had diazapan injections and was put on phenabarbitone tablets, the dose of which has been slowly reduced over the las...