Can Vigabatrin exacerbate seizures in a 1-year-old child?

Hello doctor,

My 1-year-old daughter has been battling various forms of epilepsy since she was four months old. They began with tonic seizures, followed by tonic-myoclonic seizures. A month later, after no medicines seemed to reduce her seizure burden, she was diagnosed with infantile spasms. She failed ACTH treatment twice. However, her spasms stopped completely just one day after starting Vigabatrin. She was seizure and spasm free for about ten weeks and then had one episode a month ago. Being that we were worried it was spasms, her Vigabatrin was increased. We then saw a similar episode after a week and two weeks later. We then determined, based on the information that I gave, that what she was having was a series of focal myoclonic seizures and not spasms. This was confirmed on an EEG. Recently, we began seeing episodes almost every day. She has started the ketogenic diet, and we are seeing some improvement from that, but still having episodes. My question is this, in research I have done, speaking to a pharmacist and speaking to a nurse practitioner at our clinic. I have learned that Vigabatrin can exacerbate myoclonic seizures in a patient who previously has had them. When I asked our neurologist about this, he said only if the myoclonic seizures were generalized, not focal, which is what my daughter is having. My question is to see if this is true. Does Vigabatrin only exacerbate generalized myoclonic seizures, or could it also exacerbate focal myoclonic seizures?