Inside the <prescribedmedicine> section drugs are listed that are prescribed by a doctor, or are taken periodically otherwise. The only element inside <prescribedmedicine> is <medicine> which can appear any times.
If <prescribedmedicine> is given, at least one <medicine> element must be given, too.
<medical>
<medicine>
(see also <buddy> and <owner>)
<prescribedmedicine>
<!-- if <prescribedmedicine> is given at least one <medicine> section must appear -->
    <medicine id="med_insulin>
        <name>Insulin</name>
        <!-- periodically taken -->
        <periodicallytaken>yes</periodicallytaken>
        <notes>
            <para>
                Diabetes mellitus patient - must give my own insulin injections.
            </para>
        </notes>
    </medicine>
    <medicine id="med_xy>
        <!-- here description of another drug to be taken regularly -->
    </medicine>
    <!-- here more descriptions of additional drugs to be taken regularly can follow -->
</prescribedmedicine>