Даже ВОЗ рекомендовал.
The World Health Organization recommends phenobarbital as a first-line medication for partial and generalized tonic–clonic seizures in developing countries.[2] In the more developed world, it is no longer recommended as a first- or second-line choice for most seizure types,[3][4] though it is still commonly used to treat neonatal seizures
https://en.wikipedia.org/wiki/Phenob...note-Ila2012-2