| A 50 year old man presented with a two week history of a flu-like illness and four days of dysarthria, dysphagia, shortness of breath, and neck discomfort. |
| Individuals with dysarthria may occasionally be mistaken as being intellectually disabled or deaf. |
| Congenital dysarthria can occur in conjunction with any disorder, inherited or acquired, that affects the muscles of speech production. |
| Toxic side effects of phenytoin include nystagmus, dysarthria, diplopia, ataxia, and exacerbation of seizures. |
| The lethal dose of phenytoin in adults is estimated to be 2 to 5 g. The initial symptoms are nystagmus, ataxia, and dysarthria. |
| Increased motor activity followed by inertia and in coordination, ataxia, dysarthria, tremulousness, weakness, muscle twitching. |
