<p><strong>Adult</strong>: Usual dosage is 30 mg at bedtime. In some patients, 15 mg may sufficient.<br />
<strong>Elderly or debilitated</strong>: 15 mg is usually sufficient for a therapeutic response.<br />
<strong>Children</strong>: Not recommended.<br />
<strong>In hepatic and renal impairment</strong>: Dosage may need to be reduced in patients with impaired hepatic or renal function.</p>