I decided to make this post to help others find this option of treatment. I have not seen any discussion of this drug at all.
I had severe HPPD with tracers, visual snow, everything. It took a huge toll on my happiness in life.
I tried several medications, all without success:
- Lamotrigin (maybe a little "happier", less DPDR)
- Levetiracetam (here I noticed an improvement that disappeared after a week or so)
Now, following the glutamate theory, I was prescribed a very novel anti-epilepsy drug called Fycompa/Perampanel.
It cured 90% of my symptoms and I pretty much live like pre-HPPD.
I even have returned to recreational drug use with dopaminergic and opioid substances without negative effects.
I HIGHLY encourage HPPD sufferers to try this medication!