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

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2018-08-14</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000821995</issuerCik>
        <issuerName>JUNIPER PHARMACEUTICALS INC</issuerName>
        <issuerTradingSymbol>JNP</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001596783</rptOwnerCik>
            <rptOwnerName>Catalent, Inc.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>14 SCHOOLHOUSE ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SOMERSET</rptOwnerCity>
            <rptOwnerState>NJ</rptOwnerState>
            <rptOwnerZipCode>08873</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, par value $0.01 per share</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>9285239</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F2"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote.</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Represents shares of Juniper Pharmaceuticals, Inc. (&quot;Juniper&quot;) purchased by Catalent Pharma Solutions, Inc. (&quot;CPS&quot;), a wholly owned subsidiary of PTS Intermediate Holdings LLC (which in turn is a wholly owned subsidiary of Catalent, Inc. (&quot;Catalent&quot;)), immediately following the expiration of the tender offer (the &quot;Offer&quot;) at 12:00 midnight, New York City time, at the end of August 13, 2018, which Offer was effected in accordance with the Agreement and Plan of Merger, dated July 2, 2018 (the &quot;Merger Agreement&quot;), by and among CPS, Catalent, Catalent Boston, Inc., a wholly owned subsidiary of CPS (&quot;Merger Sub&quot;), and Juniper.  On August 14, 2018, in accordance with the terms and conditions of the Merger Agreement, Merger Sub was merged (the &quot;Merger&quot;) with and into Juniper, with Juniper continuing as the surviving corporation, and CPS became the sole owner of all of the 1,000 issued and outstanding shares of common stock of the surviving corporation remaining following the Merger.</footnote>
        <footnote id="F2">CPS is a wholly owned subsidiary of Catalent.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Steven L. Fasman, Senior Vice President, General Counsel and Secretary</signatureName>
        <signatureDate>2018-08-15</signatureDate>
    </ownerSignature>
</ownershipDocument>
