These include reversible cerebellar ataxia, dementia, peripheral neuropathy, psychosis and coma. There may also be seizures, cerebellar ataxia and myopathy. Dyschronometria can result from autosomal dominant cerebellar ataxia (ADCA). Symptoms include ataxia, nystagmus, and dysmetria. Acute overdosage is often manifested by emesis, lethargy, ataxia, tachycardia and seizures. Acute overdosage is often manifested by emesis, lethargy, ataxia, tachycardia, and seizures. Persons who have been diagnosed with autosomal dominant spinocerebellar ataxia (SCAs) also exhibit dysmetria. Patients with pure EA5 present with recurrent episodes of ataxia with vertigo. Afghan myelopathy (causing pelvic limb ataxia) is sometimes reported. Lesions of these tracts result in profound ataxia and postural instability. Less common effects are tachycardia, convulsions, vomiting, hypertension, hyperpyrexia, and ataxia. The bacteria Treponema pallidum that causes syphilis results in locomotor ataxia and tabes dorsalis. This is the case in Friedreich's ataxia, hereditary spastic paraplegia, and Wilson's disease. Symptoms such as diminished or absent deep-tendon reflexes and sensory ataxia are common. Poisoning in cats can result in seizures, fever, ataxia and even death.