Sorry to hear that – hoping it's nothing too bad.
Vet thinks it could be idiopathic epilepsy, or a brain tumour. Only silly expensive tests would condition either way, so we're going to treat the symptoms for the moment, and take it from there.
She's happy enough otherwise.
Sad to read about your old boy.
@NotThamesWater started
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Sorry to hear that – hoping it's nothing too bad.