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EXHIBIT 32

CERTIFICATIONS

On
November 10, 2003, Questcor Pharmaceuticals, Inc. filed its Quarterly
Report on Form 10-Q for the quarter ended September 30, 2003 (the Form 10-Q)
with the Securities and Exchange Commission. Pursuant to 18 U.S.C. § 1350, as
created by Section 906 of the Sarbanes-Oxley Act of 2002, the following
certifications are being made to accompany the Form 10-Q:

Certification of Chief Executive Officer

Pursuant to 18 U.S.C. § 1350, as created by Section 906 of the
Sarbanes-Oxley Act of 2002, the undersigned officer of Questcor
Pharmaceuticals, Inc. (the Company) hereby certifies, to such officers
knowledge, that:

(i)       the Quarterly Report on Form 10-Q of the Company for the quarter ended
September 30, 2003 (the Report) fully complies with the requirements of
Section 13(a) or Section 15(d), as applicable, of the Securities Exchange Act
of 1934, as amended; and

(ii)     the information contained in the Report fairly presents, in all
material respects, the financial condition and results of operations of the
Company.

|                         |  |                         
|------------------------ |  | ------------------------
|Dated: November 12, 2003 |  | /s/ Charles J. Casamento
|                         |  |                         
|                         |  | Charles J. Casamento    
|                         |  | Chief Executive Officer 

The foregoing certification is being furnished solely to accompany the Report
pursuant to 18 U.S.C. § 1350, and is not being filed for purposes of Section 18
of the Securities Exchange Act of 1934, as amended, and is not to be
incorporated by reference into any filing of the Company, whether made before
or after the date hereof, regardless of any general incorporation language in
such filing.

Certification of Chief Financial Officer

Pursuant to 18 U.S.C. § 1350, as created by Section 906 of the
Sarbanes-Oxley Act of 2002, the undersigned officer of Questcor
Pharmaceuticals, Inc. (the Company) hereby certifies, to such officers
knowledge, that:

(i)       the Quarterly Report on Form 10-Q of the Company for the quarter ended
September 30, 2003 (the Report) fully complies with the requirements of
Section 13(a) or Section 15(d), as applicable, of the Securities Exchange Act
of 1934, as amended; and

(ii)     the information contained in the Report fairly presents, in all
material respects, the financial condition and results of operations of the
Company.

|                         |  |                        
|------------------------ |  | -----------------------
|Dated: November 12, 2003 |  | /s/ Timothy E. Morris  
|                         |  |                        
|                         |  | Timothy E. Morris      
|                         |  | Chief Financial Officer

The foregoing certification is being furnished solely to accompany the Report
pursuant to 18 U.S.C. § 1350, and is not being filed for purposes of Section 18
of the Securities Exchange Act of 1934, as amended, and is not to be
incorporated by reference into any filing of the Company, whether made before
or after the date hereof, regardless of any general incorporation language in
such filing.