<dosage xmlns="http://hl7.org/fhir">
    <text value="1 drop in each eye once daily in the evening." />
    <timing>
        <repeat>
            <frequency value="1" />
            <period value="1" />
            <periodUnit value="d" />
            <when value="EVE" />
        </repeat>
    </timing>
    <site>
        <coding>
            <system value="http://snomed.info/sct" />
            <code value="362508001" />
            <display value="Both eyes, entire" />
        </coding>
    </site>
    <route>
        <coding>
            <system value="http://snomed.info/sct" />
            <code value="54485002" />
            <display value="Ophthalmic route (qualifier value)" />
        </coding>
    </route>
    <method>
        <coding>
            <system value="http://snomed.info/sct" />
            <code value="421538008" />
            <display value="Instill - dosing instruction imperative (qualifier value)" />
        </coding>
    </method>
    <doseAndRate>
        <doseQuantity>
            <value value="1" />
            <unit value="drops" />
            <system value="http://snomed.info/sct" />
            <code value="426684005" />
        </doseQuantity>
    </doseAndRate>
</dosage>

<dosage xmlns="http://hl7.org/fhir">
    <text value="Use two puffs twice a day" />
    <additionalInstruction>
        <text value="Shake well" />
    </additionalInstruction>
    <timing>
        <repeat>
            <frequency value="2" />
            <period value="1" />
            <periodUnit value="d" />
        </repeat>
    </timing>
    <doseAndRate>
        <type>
            <coding>
                <system value="http://terminology.hl7.org/CodeSystem/dose-rate-type" />
                <code value="ordered" />
                <display value="Ordered" />
            </coding>
        </type>
        <doseQuantity>
            <value value="2" />
            <unit value="puffs" />
            <system value="http://snomed.info/sct" />
            <code value="415215001" />
        </doseQuantity>
    </doseAndRate>
</dosage>

<dosage xmlns="http://hl7.org/fhir">
    <text value="Take 10ml to 20ml 4 to 6 hours a day as needed for hip pain" />
    <additionalInstruction>
        <coding>
            <system value="http://snomed.info/sct" />
            <code value="418914006" />
            <display value="Warning. May cause drowsiness. If affected do not drive or operate machinery. Avoid alcoholic drink (qualifier value)" />
        </coding>
    </additionalInstruction>
    <timing>
        <repeat>
            <frequency value="1" />
            <period value="4" />
            <periodMax value="6" />
            <periodUnit value="h" />
        </repeat>
    </timing>
    <asNeededCodeableConcept>
        <coding>
            <system value="http://snomed.info/sct" />
            <code value="49218002" />
            <display value="Hip Pain (finding)" />
        </coding>
    </asNeededCodeableConcept>
    <route>
        <coding>
            <system value="http://snomed.info/sct" />
            <code value="26643006" />
            <display value="Oral Route" />
        </coding>
    </route>
    <method>
        <coding>
            <system value="http://snomed.info/sct" />
            <code value="421521009" />
            <display value="Swallow - dosing instruction imperative (qualifier value)" />
        </coding>
    </method>
    <doseAndRate>
        <type>
            <coding>
                <system value="http://terminology.hl7.org/CodeSystem/dose-rate-type" />
                <code value="ordered" />
                <display value="Ordered" />
            </coding>
        </type>
        <doseRange>
            <low>
                <value value="10" />
                <unit value="milliliter" />
                <system value="http://unitsofmeasure.org" />
                <code value="mL" />
            </low>
            <high>
                <value value="20" />
                <unit value="milliliter" />
                <system value="http://unitsofmeasure.org" />
                <code value="mL" />
            </high>
        </doseRange>
    </doseAndRate>
</dosage>