<p>Adults:</p>

<ul>
	<li><strong>The usual dose</strong>: 1-2 tablets 3 times daily according to severity of the infection.</li>
	<li><strong>In acute uncomplicated cystitis:</strong>&nbsp;initially 400 mg then 200 mg every 8 hours for 3 days.</li>
	<li><strong>In chronic or recurrent bacteriurea:</strong>&nbsp;400 mg 6-8 hours.</li>
	<li><strong>For the treatment of salmonellosis (including enteric fever):</strong>&nbsp;1.2-2.4 gm daily for 14 days. To eliminate salmonella carriage, therapy may be prolonged for 2-4 weeks. In complicated urinary tract infection the usual treatment time is 1-2 weeks.</li>
	<li><strong>For prophylactic treatment of recurrent urinary tract infections:</strong>&nbsp;1 tablet every evening is recommended.</li>
</ul>

<p>Children:</p>

<ul>
	<li>Weighing less than 20 kg should be given 20-60 mg/kg divided into 3-4 daily doses. Those weighing more than 20 kg should receive normal adult dose.</li>
	<li><strong>In shigellosis:</strong>&nbsp;20 mg/kg 4 times a day for 5 days.</li>
	<li><strong>For UTI:</strong>&nbsp;20-40 mg/kg/day in 3-4 divided doses</li>
	<li><strong>For salmonellosis:</strong>&nbsp;30-60 mg/kg/day in 3-4 divided doses</li>
</ul>

<p>&nbsp;</p>

<p><strong>Administration</strong></p>

<p>The tablet should be taken with at least 50-100 ml fluid. As the bioavailability is practically unaffected by simultaneous food intake, This&nbsp;tablets are best taken with or immediately after a meal.</p>