EXHIBIT 32.1

CERTIFICATION PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of Akorn, Inc. (the “Company”) on Form 10-Q for the period ended September 30, 2004, as filed with the Securities and Exchange Commission and to which this Certification is an exhibit (the “Report”), the undersigned officer of Akorn, Inc. does hereby certify, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to my knowledge:

     (1) The Report fully complies with the requirements of section 13(a) or 15(d) 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.

Date: November 10, 2004

/s/ ARTHUR S. PRZYBYL  

Arthur S. Przybyl 

Chief Executive Officer