<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2015-11-19</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000017485</issuerCik>
        <issuerName>LIBERATOR MEDICAL HOLDINGS, INC.</issuerName>
        <issuerTradingSymbol>LBMH</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000009892</rptOwnerCik>
            <rptOwnerName>BARD C R INC /NJ/</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>730 CENTRAL AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MURRAY HILL</rptOwnerCity>
            <rptOwnerState>NJ</rptOwnerState>
            <rptOwnerZipCode>07974</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Explanation of Responses</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">C. R. Bard, Inc. (the &quot;Reporting Person&quot;) is filing this statement solely because, as a result of a Voting and Support Agreement, dated as of November 19, 2015, among the Reporting Person, Liberator Medical Holdings, Inc. (the &quot;Issuer&quot;), and certain holders of the Issuer's Common Stock (collectively, the &quot;Stockholders&quot;), the Reporting Person may be deemed to have beneficial ownership of shares of common stock, $0.001 par value, of the Issuer (&quot;Common Stock&quot;) beneficially owned by the Stockholders. The Voting Agreement was entered into in connection with the Agreement and Plan of Merger, dated as of November 19, 2015, among the Reporting Person, the Issuer and Freedom MergerSub, Inc., a wholly owned subsidiary of the Reporting Person.</footnote>
        <footnote id="F2">Neither the filing of this statement nor any of its contents shall be deemed to constitute an admission by the Reporting Person that it is the beneficial owner of any Common Stock referred to herein for purposes of Section 16 of the Securities and Exchange Act of 1934, as amended (the &quot;Act&quot;). The Reporting Person has no pecuniary interest in such Common Stock. The Reporting Person, pursuant to Rule 16a-1(a)(4) promulgated under the Act, hereby expressly disclaims that it is the beneficial owner of such Common Stock.</footnote>
        <footnote id="F3">No securities are beneficially owned.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Richard C. Rosenzweig</signatureName>
        <signatureDate>2015-11-24</signatureDate>
    </ownerSignature>
</ownershipDocument>
