SECURITIES AND EXCHANGE COMMISSION

                          Washington, D.C.  20549


                                  FORM 8-K


                               CURRENT REPORT

                     PURSUANT TO SECTION 13 OR 15(d) OF THE
                         SECURITIES EXCHANGE ACT OF 1934

                         Date of report: July 25, 2003
                Date of earliest event reported: July 25, 2003




                                 PFIZER INC.
           (Exact name of registrant as specified in its charter)

           Delaware                1-3619                13-5315170
      (State or other         (Commission File        (I.R.S. Employer
       jurisdiction of           (Number)           Identification No.)
       incorporation)


            235 East 42nd Street                            10017
            New York, New York                           (Zip Code)
                  (Address of principal executive offices)


              Registrant's telephone number, including area code:
                               (212) 573-2323


Item 7(c).  Exhibits

Exhibit 99  -  Press Release of Pfizer Inc. dated
               July 25, 2003, reporting Pfizer's financial
               results for the second quarter of 2003.

Item 9. Regulation FD Disclosure; and

Item 12. Results of Operations and Financial Condition

On July 25, 2003, Pfizer Inc. issued a press release announcing its financial
results for the second quarter of 2003. A copy of the press release is
furnished as Exhibit 99 to this report and is incorporated herein by
reference.





                                   SIGNATURE

Under the requirements of the Securities Exchange Act of 1934, the registrant
has caused this report to be signed on its behalf by the authorized
undersigned.

                            PFIZER INC.


                            By:/s/Margaret M.Foran
                              ____________________________
                               Margaret M. Foran
                               Title: Vice President-Corporate
                               Governance and Secretary



Dated: July 25, 2003






                                 EXHIBIT INDEX

Exhibit No.    Description

99             Press Release of Pfizer Inc. dated July 25, 2003,
               reporting Pfizer's financial results for the second
               quarter of 2003.