The commonest neurological problems in cats and dogs are due to road accidents and other forms of head injuries, chemical poisoning, and infections such as rabies. Any of these can induce fits, or seizures, as part of the picture.
Seizures (fits) tend to be seen as uncontrolled shaking, although other sorts of fits with the dog going vacant can also occur.
It is important to try to find the cause of the fit. There may be signs of injury from car accident or fight. Evidence of having ingested poison may or may not be obvious - antifreeze with ethylene glycol is particularly dangerous, causing seizures.
Always call or take your animal to a vet. Your vet is essential in helping you to work out what the cause of the symptoms are. Neurological problems are so complex that even they may not be able to find the cause. Be guided by your vet on management.
After a fit an animal may be sleepy but also anxious and confused. Comfort it; Rescue Remedy, healing and massage may be helpful here. If this is your animal's first fit, take it to the vet anyway to try to find the cause. Also see you vet if you have any concerns, or there are changes to the pattern of fitting.
