If he is and it has gotten to that pint the Im shot may help. But seizures is not good. This is something that probably would have been noticed if you knew the signs of beginning mbd. Shaking when walking, legs twitching, bowed legs, or other skeleton deformities, kinks in the tail, lethargy, non appetite. I'm sure there's a few I'm missing. But hypercalcemia is usually noticeable and when it goes untreated seizures and death. How old is he? Baby, sub adult, adult? At adult stage they're bones are done growing so you may notice soft bones, even rubber jaw, shaking, and then once theyve used the ca from their own body that induces a seizure.