EXHIBIT 99.1


I, Phillip Frost, M.D., Chairman and Chief Executive Officer of IVAX
Corporation, certify, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002,
that:


(1)      the Quarterly Report of IVAX Corporation on Form 10-Q for the quarterly
         period ended June 30, 2002 (the "Periodic Report"), which this
         statement accompanies, fully complies with the requirements of Section
         13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2)      information contained in the Periodic Report fairly presents, in all
         material respects, the financial condition and results of operations of
         IVAX Corporation.




                                     /s/ Phillip Frost, M.D.
                                     -----------------------------------------
                                     Phillip Frost, M.D.
                                     Chairman and Chief Executive Officer
                                     August 13, 2002