Category: Neurology
Keywords: phenytoin, dilantin, dilantin toxicity, ataxia, nystagmus (PubMed Search)
Posted: 9/9/2009 by Aisha Liferidge, MD (Updated: 3/4/2026)
The following symptoms of phenytoin toxicity typically present initially, once plasma concentrations reach the listed levels below:
Other associated symptoms include tremor, hyper-reflexia, nausea, and vomiting.