What medication is appropriate for a patient with essential tremor presenting with a high-frequency intention tremor?

Primidone is considered an appropriate medication for a patient with essential tremor, particularly when there is a high-frequency intention tremor present. This drug is a barbiturate that works by depressing the central nervous system, leading to reduced tremors and improved motor control. Primidone is specifically effective for essential tremor and can help diminish the amplitude and frequency of the tremor, making it easier for patients to engage in fine motor activities.

While propranolol is commonly used for essential tremor and can be beneficial for some patients, primidone tends to be more effective for those with higher frequency tremors or those who may not respond adequately to beta-blockers. Gabapentin and clonazepam are generally not first-line treatments for essential tremor. Gabapentin is more often used for neuropathic pain and does not have the same level of efficacy in controlling tremors, while clonazepam may provide some benefit as an anxiolytic but is not a primary treatment for this condition.

Choosing primidone as the treatment option aligns with the established guidelines for managing essential tremor and reflects its effectiveness in reducing intention tremors specifically.