Ataxia – Dilantin

Phenytoin toxicity: a review of 94 cases.Curtis DL, Piibe R, Ellenhorn MJ, Wasserberger J, Ordog G.Vet Hum Toxicol. 1989 Apr;31(2):164-5.PMID: 2929127

Ataxia was observed in 59/94 patients (63%), and of these 18 patients had fallen; 9 had suffered injury from falling sufficient to require medical care. …Hospital admission is indicated in symptomatic cases until a declining serum phenytoin level is observed and ataxi …

Phenytoin (Dilantin) intoxication.

Frantzen E, Hansen JM, Hansen OE, Kristensen M.Acta Neurol Scand. 1967;43(4):440-6. doi: 10.1111/j.1600 404.1967.tb05749.x. PMID: 6081207

 in institutionalized patients with epilepsy.
Young GB, Oppenheimer SR, Gordon BA, Wells GA, Assis LP, Kreeft JH, Lohuis NA, Blume WT.Can J Neurol Sci. 1994 Aug;21(3):252-8. doi: 10.1017/s0317167100041238.PMID: 8000981

Fifty-four per cent of 41 chronically institutionalized adult patients with epilepsy had ataxia of gait (wide mean stride width). …Ataxia of gait was inconsistently associated with cerebellar atrophy. Elevated serum/plasma concentrations of phenytoin may be a risk …