i use someting similar for tags. and then i take the field and put them into an erray seperated by in my case comma space
$tagsuh = $row[tag];
$seperatetags = explode(", ", $tagsuh);
?>
<i><a href="search.php?tag=<?php echo $seperatetags[0]; ?>"><?php echo $seperatetags[0]; ?></a>,
<a href="search.php?tag=<?php echo $seperatetags[1]; ?>"><?php echo $seperatetags[1]; ?></a>,
<a href="search.php?tag=<?php echo $seperatetags[2]; ?>"><?php echo $seperatetags[2]; ?></a>,
<a href="search.php?tag=<?php echo $seperatetags[3]; ?>"><?php echo $seperatetags[3]; ?></a><?php } ?></i>