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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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 L5f27wHDRGf42+8gSl/sSg==

<SEC-DOCUMENT>0001209191-05-022152.txt : 20050426
<SEC-HEADER>0001209191-05-022152.hdr.sgml : 20050426
<ACCEPTANCE-DATETIME>20050426135130
ACCESSION NUMBER:		0001209191-05-022152
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050418
FILED AS OF DATE:		20050426
DATE AS OF CHANGE:		20050426

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			QUESTCOR PHARMACEUTICALS INC
		CENTRAL INDEX KEY:			0000891288
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				330476164
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			0731

	BUSINESS ADDRESS:	
		STREET 1:		3260 WHIPPLE ROAD
		CITY:			UNION CITY
		STATE:			CA
		ZIP:			94587-1217
		BUSINESS PHONE:		5104000700

	MAIL ADDRESS:	
		STREET 1:		3260 WHIPPLE ROAD
		CITY:			UNION CITY
		STATE:			CA
		ZIP:			94587-1217

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CYPROS PHARMACEUTICAL CORP
		DATE OF NAME CHANGE:	19930328

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Hansen Albert
		CENTRAL INDEX KEY:			0001292023

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14758
		FILM NUMBER:		05772374

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		212 419 3920

	MAIL ADDRESS:	
		STREET 1:		126 EAST 56TH STREET
		STREET 2:		28TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>bpa08297_bpa1ah.xml
<DESCRIPTION>MAIN DOCUMENT DESCRIPTION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2005-04-18</periodOfReport>

    <issuer>
        <issuerCik>0000891288</issuerCik>
        <issuerName>QUESTCOR PHARMACEUTICALS INC</issuerName>
        <issuerTradingSymbol>QSC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001292023</rptOwnerCik>
            <rptOwnerName>Hansen Albert</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>3260 WHIPPLE ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>UNION CITY</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94587</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (Right to Buy)</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>.68</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2005-04-18</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>30000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>.68</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <value>2010-04-17</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>30000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Options granted under the Questcor Pharmaceuticals, Inc. 1992 Employee Stock Option Plan.</footnote>
        <footnote id="F2">Options vest monthly over 48 months from the date of the grant.  The options have a twelve month cliff, whereby no options vest until after the twelfth month from the date of the grant.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Albert Hansen</signatureName>
        <signatureDate>2005-04-26</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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