1






                                POWER OF ATTORNEY
                                -----------------

     The undersigned director of OMNICARE, INC. ("Company") hereby appoints
EDWARD L. HUTTON, JOEL F. GEMUNDER and CHERYL D. HODGES as his true and lawful
attorneys-in-fact for the purpose of signing the Company's Annual Report on Form
10-K for the year ended December 31, 1996, and all amendments thereto, to be
filed with the Securities and Exchange Commission. Each of such
attorneys-in-fact is appointed with full power to act without the other.

Dated:  March 18, 1997
            
                                                       /s/ Ronald K. Baur
                                                       -----------------------
                                                       Ronald K. Baur

                                      E-101


   2






                                POWER OF ATTORNEY
                                -----------------

     The undersigned director of OMNICARE, INC. ("Company") hereby appoints
EDWARD L. HUTTON, JOEL F. GEMUNDER and CHERYL D. HODGES as his true and lawful
attorneys-in-fact for the purpose of signing the Company's Annual Report on Form
10-K for the year ended December 31, 1996, and all amendments thereto, to be
filed with the Securities and Exchange Commission. Each of such
attorneys-in-fact is appointed with full power to act without the other.

Dated:  March 18, 1997
                                                   /s/ Kenneth W. Chesterman
                                                   ----------------------------
                                                   Kenneth W. Chesterman

                                      E-102


   3






                                POWER OF ATTORNEY
                                -----------------

     The undersigned director of OMNICARE, INC. ("Company") hereby appoints
EDWARD L. HUTTON, JOEL F. GEMUNDER and CHERYL D. HODGES as his true and lawful
attorneys-in-fact for the purpose of signing the Company's Annual Report on Form
10-K for the year ended December 31, 1996, and all amendments thereto, to be
filed with the Securities and Exchange Commission. Each of such
attorneys-in-fact is appointed with full power to act without the other.

Dated:  March 17, 1997

                                                    /s/ Charles H. Erhart
                                                    ---------------------------
                                                    Charles H. Erhart

                                      E-103


   4






                                POWER OF ATTORNEY
                                -----------------

     The undersigned director of OMNICARE, INC. ("Company") hereby appoints
EDWARD L. HUTTON, JOEL F. GEMUNDER and CHERYL D. HODGES as his true and lawful
attorneys-in-fact for the purpose of signing the Company's Annual Report on Form
10-K for the year ended December 31, 1996, and all amendments thereto, to be
filed with the Securities and Exchange Commission. Each of such
attorneys-in-fact is appointed with full power to act without the other.

Dated:  March 24, 1997

                                                    /s/ Mary Lou Fox
                                                    ---------------------------
                                                    Mary Lou Fox

                                      E-104


   5






                                POWER OF ATTORNEY
                                -----------------

     The undersigned director of OMNICARE, INC. ("Company") hereby appoints
EDWARD L. HUTTON, JOEL F. GEMUNDER and CHERYL D. HODGES as his true and lawful
attorneys-in-fact for the purpose of signing the Company's Annual Report on Form
10-K for the year ended December 31, 1996, and all amendments thereto, to be
filed with the Securities and Exchange Commission. Each of such
attorneys-in-fact is appointed with full power to act without the other.

Dated:  March 18, 1997
            
                                                    /s/ Thomas C. Hutton
                                                    ---------------------------
                                                    Thomas C. Hutton

                                      E-105


   6






                                POWER OF ATTORNEY
                                -----------------

     The undersigned director of OMNICARE, INC. ("Company") hereby appoints
EDWARD L. HUTTON, JOEL F. GEMUNDER and CHERYL D. HODGES as his true and lawful
attorneys-in-fact for the purpose of signing the Company's Annual Report on Form
10-K for the year ended December 31, 1996, and all amendments thereto, to be
filed with the Securities and Exchange Commission. Each of such
attorneys-in-fact is appointed with full power to act without the other.

Dated:  March 24, 1997
             
                                                    /s/ Patrick E. Keefe
                                                    ---------------------------
                                                    Patrick E. Keefe

                                      E-106


   7






                                POWER OF ATTORNEY
                                -----------------

     The undersigned director of OMNICARE, INC. ("Company") hereby appoints
EDWARD L. HUTTON, JOEL F. GEMUNDER and CHERYL D. HODGES as his true and lawful
attorneys-in-fact for the purpose of signing the Company's Annual Report on Form
10-K for the year ended December 31, 1996, and all amendments thereto, to be
filed with the Securities and Exchange Commission. Each of such
attorneys-in-fact is appointed with full power to act without the other.

Dated:  March 22, 1997
             
                                                    /s/ Sandra E. Laney
                                                    ---------------------------
                                                    Sandra E. Laney

                                      E-107


   8






                                POWER OF ATTORNEY
                                -----------------

     The undersigned director of OMNICARE, INC. ("Company") hereby appoints
EDWARD L. HUTTON, JOEL F. GEMUNDER and CHERYL D. HODGES as his true and lawful
attorneys-in-fact for the purpose of signing the Company's Annual Report on Form
10-K for the year ended December 31, 1996, and all amendments thereto, to be
filed with the Securities and Exchange Commission. Each of such
attorneys-in-fact is appointed with full power to act without the other.

Dated:  March 24, 1997
             
                                                    /s/ Andrea R. Lindell
                                                    ---------------------------
                                                    Andrea R. Lindell

                                      E-108


   9






                                POWER OF ATTORNEY
                                -----------------

     The undersigned director of OMNICARE, INC. ("Company") hereby appoints
EDWARD L. HUTTON, JOEL F. GEMUNDER and CHERYL D. HODGES as his true and lawful
attorneys-in-fact for the purpose of signing the Company's Annual Report on Form
10-K for the year ended December 31, 1996, and all amendments thereto, to be
filed with the Securities and Exchange Commission. Each of such
attorneys-in-fact is appointed with full power to act without the other.

Dated:  March 18, 1997
             
                                                    /s/ Sheldon Margen
                                                    ---------------------------
                                                    Sheldon Margen

                                      E-109


   10






                                POWER OF ATTORNEY
                                -----------------

     The undersigned director of OMNICARE, INC. ("Company") hereby appoints
EDWARD L. HUTTON, JOEL F. GEMUNDER and CHERYL D. HODGES as his true and lawful
attorneys-in-fact for the purpose of signing the Company's Annual Report on Form
10-K for the year ended December 31, 1996, and all amendments thereto, to be
filed with the Securities and Exchange Commission. Each of such
attorneys-in-fact is appointed with full power to act without the other.

Dated:  March 24, 1997
             
                                                    /s/ Kevin J. McNamara
                                                    ---------------------------
                                                    Kevin J. McNamara

                                      E-110


   11






                                POWER OF ATTORNEY
                                -----------------

     The undersigned director of OMNICARE, INC. ("Company") hereby appoints
EDWARD L. HUTTON, JOEL F. GEMUNDER and CHERYL D. HODGES as his true and lawful
attorneys-in-fact for the purpose of signing the Company's Annual Report on Form
10-K for the year ended December 31, 1996, and all amendments thereto, to be
filed with the Securities and Exchange Commission. Each of such
attorneys-in-fact is appointed with full power to act without the other.

Dated:  March 24, 1997
             
                                                    /s/ John M. Mount
                                                    ---------------------------
                                                    John M. Mount

                                      E-111


   12






                                POWER OF ATTORNEY
                                -----------------

     The undersigned director of OMNICARE, INC. ("Company") hereby appoints
EDWARD L. HUTTON, JOEL F. GEMUNDER and CHERYL D. HODGES as his true and lawful
attorneys-in-fact for the purpose of signing the Company's Annual Report on Form
10-K for the year ended December 31, 1996, and all amendments thereto, to be
filed with the Securities and Exchange Commission. Each of such
attorneys-in-fact is appointed with full power to act without the other.

Dated:  March 24, 1997

                                                    /s/ Timothy S. O'Toole
                                                    ---------------------------
                                                    Timothy S. O'Toole

                                      E-112


   13





                                POWER OF ATTORNEY
                                -----------------

     The undersigned director of OMNICARE, INC. ("Company") hereby appoints
EDWARD L. HUTTON, JOEL F. GEMUNDER and CHERYL D. HODGES as his true and lawful
attorneys-in-fact for the purpose of signing the Company's Annual Report on Form
10-K for the year ended December 31, 1996, and all amendments thereto, to be
filed with the Securities and Exchange Commission. Each of such
attorneys-in-fact is appointed with full power to act without the other.

Dated:  March 17, 1997
             

                                                    /s/ D. Walter Robbins, Jr.
                                                    ---------------------------
                                                    D. Walter Robbins, Jr.


                                      E-113