Dilantin made an appearance in the 1962 novel One Flew Over the Cuckoo's Nest by Ken Kesey, both as an anticonvulsant and as a mechanism to control inmate behavior.
Phenytoin - Wikipedia, the free encyclopedia
…after getting out I moved to Chapel Hill and rented the film. I never rented it but did view it on cable TV. I am sure my mother’s second husband viewed it as he was a Nicholson fan but it is likely someone in Chapel Hill viewed the film.