More PHP Help!

Ok i want it so when my userlevel 1 refresh's the page it set's there health to 999, ive done the php and query but how do i go about doing the refresh bit?

PHP Code:

---

<?php if($fetch->userlevel == "1"){
echo"mysql_query("UPDATE users SET health='999' WHERE username='$username");";} ?>

---

What i need is when they refresh the page it does that, thanks;)

er meta refresh ? :S

[php]<?php if($fetch->userlevel == "4"){
echo"<meta http-equiv="refresh">mysql_query("UPDATE users SET health='999' WHERE username=$username";} ?> [/php

?

PHP Code:

---

<?php

if($fetch->userlevel == "1")
{
mysql_query("UPDATE `users` SET `health` = '999' WHERE `username` = '$username'");

/* only do this if no other data is outputted to the browser above this line */
header("location: page.php");

/* do this if data HAS been outputted */
echo('<meta http-equiv="refresh" content="0; URL=page.php">');

}
 ?>

---