UNITED STATES

                       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 (Date of earliest event reported) AUGUST 5, 2003

                            PSYCHEMEDICS CORPORATION
             (Exact Name of Registrant As Specified In Its Charter)

                                    DELAWARE
                 (State if Other Jurisdiction of Incorporation)

          1-13738                                         58-1701987
(Commission File Number)                    (I.R.S. Employer Identification No.)

1280 MASSACHUSETTS AVE., SUITE 200, CAMBRIDGE, MA           02138
    (Address of Principal Executive Offices)              (Zip Code)

                                 (617-868-7455)
              (Registrant's Telephone Number, Including Area Code)

                                       N/A
          (Former name or former address, if changed since last report)

ITEM 7. FINANCIAL STATEMENTS, PRO-FORMA FINANCIAL INFORMATION AND EXHIBITS.


      (c) Exhibits

      The following exhibits are filed herewith:

      99.1 Press Release dated August 5, 2003.


ITEM 12. RESULTS OF OPERATIONS AND FINANCIAL CONDITION

      On August 5, 2003, Psychemedics Corporation issued a press release
announcing preliminary results for the quarter ended June 30, 2003. A copy of
the press release is attached hereto as Exhibit 99.1 and incorporated by
reference herein.

      LIMITATION ON INCORPORATION BY REFERENCE. The information in this Form 8-K
and the Exhibit attached hereto shall not be deemed "filed" for purposes of
Section 18 of the Securities Exchange Act of 1934 (the "Exchange Act") or
otherwise subject to the liabilities of that section, nor shall it be deemed
incorporated by reference in any filing under the Securities Act of 1933 or the
Exchange Act, regardless of any general incorporation language in such filing.

      CAUTIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS. Except for
historical information contained in the press release attached as an exhibit
hereto, the press release contains forward-looking statements which involve
certain risks and uncertainties that could cause actual results to differ
materially from those expressed or implied by these statements. Please refer to
the cautionary note in the press release regarding these forward-looking
statements.

                                    SIGNATURE

      Pursuant to the requirements of the Securities Exchange Act of 1934, the
Registrant has duly caused this Report to be signed on its behalf by the
undersigned hereunto duly authorized.

                                        PSYCHEMEDICS CORPORATION

Dated: August 6, 2003


                                        By:  /s/ Peter C. Monson
                                             -----------------------------------
                                             Peter C. Monson, Vice President and
                                             Chief Financial Officer

                                  EXHIBIT INDEX



EXHIBIT
NUMBER         DESCRIPTION
            
99.1           Press release dated August 5, 2003 of Psychemedics Corporation
               announcing its financial results for the second quarter ended
               June 30, 2003.