Filed Pursuant to Rule 424(b)(3)
                                                      Registration No. 333-97207

PROSPECTUS SUPPLEMENT NO. 4
TO PROSPECTUS DATED NOVEMBER 22, 2002

                       Medicis Pharmaceutical Corporation
                2.5% Contingent Convertible Senior Notes Due 2032
                                       and
           Class A Common Stock Issuable Upon Conversion of the Notes

     This  document  supplements  our  prospectus  dated  November 22, 2002 (the
"prospectus")  relating to $400,000,000  aggregate  principal amount of our 2.5%
Contingent  Convertible  Senior  Notes  Due 2032 (the  "Notes")  and the Class A
common  stock  issuable  upon  conversion  of the Notes.  You  should  read this
prospectus supplement in conjunction with the accompanying prospectus,  which is
to be delivered by selling  securityholders to prospective purchasers along with
this prospectus supplement and any other prospectus supplements. The information
in the following table  supplements the information  under the caption  "Selling
Securityholders" in the prospectus.


                                                                                             Class A
                                                                                           Common Stock
                                                  Aggregate Principal    Percentage of     Beneficially      Class A Common
                                                 Amount of Notes that        Notes        Owned Prior to    Stock Registered
Name                                                  may be sold         Outstanding      Conversion(1)         Hereby
----                                                  -----------         -----------      -------------         ------
                                                                                                        
CGNU Life Global Convertibles                            700,000               *              *                   12,048
CooperNeff Convertible Strategies                      5,050,000             1.26             *                   86,919
(Cayman Master Fund LP)
CU Life Global Convertibles                              900,000               *              *                   15,491
NULAP Global Convertibles                              1,200,000               *              *                   20,654
BNP Paribas Equity Strategies, SNC                     9,118,000             2.28             *                  156,936
Sturgeon Limited                                         179,000               *              *                    3,081
     Subtotal                                        $17,147,000             4.29             *                  295,129
-----------------
*Less than 1%



     (1)  Assumes that any other holders of Notes or any future  transferee from
          any holder does not  beneficially  own any Class A common  stock other
          than Class A common stock into which the Notes are  convertible at the
          conversion  price of 17.2117 shares per $1,000 principal amount of the
          Notes.

         Investing in the Notes and the Class A common stock issuable upon their
conversion involves certain risks. See "Risk Factors" beginning on page 7 of the
accompanying prospectus.

     Neither the  securities and exchange  commission  nor any state  securities
commission has approved or  disapproved  of these  securities or passed upon the
adequacy  or  accuracy  of  this  prospectus   supplement  or  the  accompanying
prospectus any representation to the contrary is a criminal offense.

         The date of this prospectus supplement is June 25, 2003.