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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 QWtRkPy8pu3tvjYUU4ndeA==

<SEC-DOCUMENT>0001209191-08-013077.txt : 20080225
<SEC-HEADER>0001209191-08-013077.hdr.sgml : 20080225
<ACCEPTANCE-DATETIME>20080225185358
ACCESSION NUMBER:		0001209191-08-013077
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20080221
FILED AS OF DATE:		20080225
DATE AS OF CHANGE:		20080225

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AVANIR PHARMACEUTICALS
		CENTRAL INDEX KEY:			0000858803
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				330314804
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			0930

	BUSINESS ADDRESS:	
		STREET 1:		101 ENTERPRISE
		STREET 2:		SUITE 300
		CITY:			ALISO VIEJO
		STATE:			CA
		ZIP:			92656
		BUSINESS PHONE:		949-389-6700

	MAIL ADDRESS:	
		STREET 1:		101 ENTERPRISE
		STREET 2:		SUITE 300
		CITY:			ALISO VIEJO
		STATE:			CA
		ZIP:			92656

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	LIDAK PHARMACEUTICALS
		DATE OF NAME CHANGE:	19920703

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Whitcup Scott M
		CENTRAL INDEX KEY:			0001298941

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-15803
		FILM NUMBER:		08640752

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		714 246 4500

	MAIL ADDRESS:	
		STREET 1:		2525 DUPONT DRIVE
		CITY:			IRVINE
		STATE:			CA
		ZIP:			92612
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2008-02-21</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000858803</issuerCik>
        <issuerName>AVANIR PHARMACEUTICALS</issuerName>
        <issuerTradingSymbol>AVNR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001298941</rptOwnerCik>
            <rptOwnerName>Whitcup Scott M</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>101 ENTERPRISE, SUITE 300</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>ALISA VIEJO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>92656</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2008-02-21</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>56911</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>107594</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Award of Restricted Stock Units under the Company's 2003 Equity Incentive Plan (the &quot;Plan&quot;) that vests with respect to one-third of the shares on February 21, 2009 and then with respect to one thirty-sixth of the shares monthly thereafter over the next two years. Such shares will not be delivered to the Reporting Person and may not be transferred or sold until the &quot;termination&quot; of service, as defined in the Plan.</footnote>
        <footnote id="F2">Not applicable.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Scott M. Whitcup</signatureName>
        <signatureDate>2008-02-25</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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