<p>Primary and secondary prophylaxis of Pneumocystis (carinii) jirovecii pneumonia:</p>

<ul>
	<li><strong>Adult</strong>: 50 mg daily, with pyrimethamine 50 mg once wkly. Alternatively, 100 mg with pyrimethamine 50 mg twice wkly.</li>
	<li><strong>Child</strong>: 1 mth-18 yr: 2 mg/kg daily (max: 100 mg daily) or 4 mg/kg wkly (max: 200 mg wkly).</li>
</ul>

<p>Multibacillary leprosy:</p>

<ul>
	<li><strong>Adult</strong>: 100 mg daily with clofazimine 50 mg daily, together with rifampicin 600 mg and clofazimine 300 mg once a mth for 12 mth.</li>
	<li><strong>Child</strong>: and child 10-14 yr old: daily doses of dapsone 50 mg, or 1 to 2 mg/kg if their body-weight is low</li>
</ul>

<p>Paucibacillary leprosy:</p>

<ul>
	<li><strong>Adult</strong>: 100 mg daily with 600 mg rifampicin once a mth, both given for 6 mth.</li>
	<li><strong>Child</strong>: Reduce dose as for multibacillary leprosy.</li>
</ul>

<p>Dermatitis herpetiformis:</p>

<ul>
	<li><strong>Adult</strong>: Initially, 50 mg daily increased gradually to 300 mg daily if required.</li>
</ul>