If the person must continue using diphenylhydantoin, explain how to prevent this swelling of the gums.    From Wordnik.com.  [Chapter 6] Reference

This problem is caused not by epilepsy but by diphenylhydantoin (Dilantin), a drug used to control epilepsy.    From Wordnik.com.  [Chapter 6] Reference

Phenytoin (diphenylhydantoin, Dilantin).    From Wordnik.com.  [1) Head Control and Use of Senses] Reference