EXHIBIT 23.2

               CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS

We consent to the reference to our firm under the caption "Experts" in the
Registration Statement (Form S-3) and related Prospectus of La Jolla
Pharmaceutical Company for the registration of 7,000,000 shares of its common
stock and to the incorporation by reference therein of our report dated February
8, 2001, with respect to the financial statements of La Jolla Pharmaceutical
Company included in its Annual Report on Form 10-K for the year ended December
31, 2000, filed with the Securities and Exchange Commission.

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

San Diego, California
January 22, 2002