Along with other breeds vizslas may suffer from seizures/epilepsy. Dr Claire Rusbridge at Fitzpatricks Referrals provides this great information

Here is a video

The Animal Health Trust, is currently investigating the genetics of Epilepsy and hope soon (September 2016) to extend their studies to the Hungarian Vizsla

DNA samples from affected and unaffected dogs are required  for the project. Please visit AHT Research to read more about how you can help with this invaluable work. Cheek swab kits are available from The process is very simple and the only cost involved is postage back to the AHT. This project is completely anonymous

Please also inform our Breed Health Co-ordinator if your dog suffers from seizures/epilepsy