<p>Adult (above 18 years):</p>

<ul>
	<li><strong>Hypertension</strong>: Initially 80 mg twice daily, may be increased at weekly intervals and then maintenance dose of 160-320 mg daily is recommended.</li>
	<li><strong>Angina pectoris</strong>: Initially 40 mg 2-3 times daily and then maintenance dose of 120-240 mg daily is given.</li>
	<li><strong>Thyrotoxicosis</strong>: 10-40 mg, 3-4 times daily is given.</li>
	<li><strong>Anxiety</strong>: 40 mg once daily, may&nbsp;be increased to three times daily.</li>
	<li><strong>Prophylaxis of migraine</strong>: Initially 40 mg 2-3 times daily; then maintenance dose of 80-160 mg daily is recommended.</li>
</ul>

<p>Child (From day 1 to 18 years): Hypertension:</p>

<ul>
	<li><strong>Neonate</strong>: 0.25-0.5 mg/kg 3 times daily, adjusted according to response.</li>
	<li><strong>Child 1 month</strong>: 12 years: 0.25-1 mg/kg 3 times daily, maximum dose 5 mg/kg daily in divided dose.</li>
	<li><strong>Child 12-18 years</strong>: initially 80 mg twice daily, maintain 160-320 mg daily.</li>
</ul>