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                                                                  EXHIBIT 23(b)

               CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS

We consent to the incorporation by reference in the Registration Statement
(Post Effective Amendment No. 2 on Form S-8 to Form S-4 No. 333-21631) of
Cardinal Health, Inc. pertaining to the Owen Healthcare, Inc. 401(k)
Savings Plan, of our report dated August 2, 1996, with respect to the
consolidated financial statements of Pyxis Corporation included in the Annual
Report (Form 10-K) of Cardinal Health, Inc. for the year ended June 30, 1996, 
filed with the Securities and Exchange Commission.


                                                /s/ Ernst & Young LLP
                                                -----------------------------
                                                     ERNST & YOUNG LLP

San Diego, California
June 12, 1997