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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 EGlux17RQz/Cau6xKkcFy7e5BMsm53Q376+LXlXRwup9SkXD9JlHUNWRFUw4xzuv
 EOah5w1wOMrnbd8q6L7PkQ==

<SEC-DOCUMENT>0000904454-10-000458.txt : 20101122
<SEC-HEADER>0000904454-10-000458.hdr.sgml : 20101122
<ACCEPTANCE-DATETIME>20101122211555
ACCESSION NUMBER:		0000904454-10-000458
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20101122
FILED AS OF DATE:		20101122
DATE AS OF CHANGE:		20101122

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			DOMAIN ASSOCIATES
		CENTRAL INDEX KEY:			0001020733
		STATE OF INCORPORATION:			NJ

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34962
		FILM NUMBER:		101210112

	BUSINESS ADDRESS:	
		STREET 1:		ONE PALMER SQUARE
		CITY:			PRINCETON
		STATE:			NJ
		ZIP:			08542

	MAIL ADDRESS:	
		STREET 1:		ONE PALMER SQUARE
		CITY:			PRINCETON
		STATE:			NJ
		ZIP:			08542

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ZOGENIX, INC.
		CENTRAL INDEX KEY:			0001375151
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				205300780
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		12671 HIGH BLUFF DRIVE
		STREET 2:		SUITE 200
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92130
		BUSINESS PHONE:		(858) 259-1165

	MAIL ADDRESS:	
		STREET 1:		12671 HIGH BLUFF DRIVE
		STREET 2:		SUITE 200
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92130

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ZOGENIX INC
		DATE OF NAME CHANGE:	20060911
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0203</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2010-11-22</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001375151</issuerCik>
        <issuerName>ZOGENIX, INC.</issuerName>
        <issuerTradingSymbol>ZGNX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001020733</rptOwnerCik>
            <rptOwnerName>DOMAIN ASSOCIATES</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>ONE PALMER SQUARE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PRINCETON</rptOwnerCity>
            <rptOwnerState>NJ</rptOwnerState>
            <rptOwnerZipCode>08542</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>11000</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Share number reflects the 1-for-10 reverse split of the Common Stock effective immediately prior to the IPO.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Kathleen K. Schoemaker, Managing Member</signatureName>
        <signatureDate>2010-11-22</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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