Exhibit 10.18 AMENDMENT TO GENOVESE DRUG STORES, INC. NONQUALIFIED STOCK OPTION AGREEMENT Genovese Drug Stores, Inc. (the "Company"), and ________________ (the "Optionee") hereby adopt the following amendment to the nonqualified stock option agreement...

                                                                  Exhibit 10.18

                     AMENDMENT TO XXXXXXXX DRUG STORES, INC.
                       NONQUALIFIED STOCK OPTION AGREEMENT

                  Xxxxxxxx Drug Stores, Inc. (the "Company"), and
________________ (the "Optionee") hereby adopt the following amendment to the
nonqualified stock option agreement dated June 6, 1997 entered into by the
parties effective as of March 10, 1998 (the "Option Agreement").

                  1. Section I(a) of the Option Agreement is hereby amended in
its entirety to read as follows:

                           "(a) Until terminated as hereinafter provided, the
                  Option shall be fully exercisable."

                  2. Sections I(b) and (c) of the Option Agreement are hereby
deleted in their entirety, and Section I(d) of the Option Agreement is hereby
redesignated as Section I(b).

                  3. The foregoing amendments to the Option Agreement shall be
effective as of March 10, 1998.

                  IN WITNESS WHEREOF, the Company and the Optionee have caused
this amendment to be executed on this 13th day of March, 1998.

                                                     XXXXXXXX DRUG STORES, INC.

                                                     By:
-------------------------------                         ------------------------
         Optionee                                        Xxxxxxx Xxxxxxxx
                                                         President