Exhibit 32.1

                CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350
                             AS ADOPTED PURSUANT TO
                 SECTION 906 OF THOE SARBANES-OXLEY ACT OF 2002


Pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the
Sarbanes-Oxley Act of 2002, with respect to the Quarterly Report of the Company
on Form 10-Q for the quarter ended September 30, 2004, (the "Report"), each of
the undersigned officers of Impax Laboratories, Inc. does hereby certify that:

1.       The Report fully complies with the requirements of the Section 13(a) or
         15(d), as applicable, of the Securities Exchange Act of 1934; and
2.       The information contained in the Report fairly presents, in all
         material respects, the financial condition and results of operations of
         the Company.






 /s/ Barry R. Edwards     Chief Executive Officer     Date:  November 15, 2004
- ------------------------
     Barry R. Edwards



 /s/ Cornel C. Spiegler   Chief Financial Officer     Date:   November 15, 2004
- ------------------------
     Cornel C. Spiegler



The foregoing certification is being furnished solely pursuant to Section 906 of
the Sarbanes-Oxley Act of 2002 (Section 1350 of Chapter 63 of Title 18 of the
U.S. Code) and is not being filed as part of the Report or as a separate
disclosure document.