<medicine> puts into brackets the information concerning a specific drug taken before the dive. Elements inside <medicine> are <name> (the name of the drug), <aliasname>, <notes> (for a description of the drug and/or additional information), <timespanbeforedive> to set the timespan the drug was taken before the dive, and <periodicallytaken> (whether the drug is taken periodically or not).
<aliasname>, <name>, <notes>, <periodicallytaken>, <timespanbeforedive>
(see also <medicationbeforedive>)
<medicine id="med_paracetamol">
    <name>Paracetamol</name>
    <!-- not periodically taken -->
    <periodicallytaken>no</periodicallytaken>
    <!-- taken four hours before the dive -->
    <timespanbeforedive>14400.0</timespanbeforedive>
    <notes>
        <para>
            Taken four hours before the planned start of the dive because
            a severe headache was coming up...
        </para>
    </notes>
</medicine>