In the lunch room, the patient Sefelt has an epileptic seizure because he has refused to take his medication. The medication, Dilantin, prevents seizures, but he saves it to give to Frederickson, another epileptic patient. Dilantin is an anticonvulsant, Frederickson tells McMurphy, as an orderly sweeps up two teeth that have fallen from Sefelt’s mouth, that rots the gums of those who take it.
