For a few months now (but notably more frequent in the last couple of weeks), my cat have these odd head tremors where he seemingly loses control of his facial/head muscles for a fraction of a second (see video at the link below). At first I thought nothing of it until I read it may be caused by hyperthyroidism, something he's not currently diagnosed with, but he does have CKD and I believe hyperthyroidism often accompanies kidney disease. Anyone familiar with anything like this??
Video 1
Video 1
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