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EXHIBIT 23.1
CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS
We consent to the reference to our firm under the caption "Experts" in the
Registration Statement on Form S-3 and related Prospectus of Connetics
Corporation for the registration of 83,391 shares of common stock and to the
incorporation by reference therein of our report dated January 14, 2000, with
respect to the consolidated financial statements of Connetics Corporation,
included in its Annual Report (Form 10-K) for the year ended December 31, 1999
filed with the Securities and Exchange Commission.
/s/ Ernst & Young LLP
Palo Alto, California
November 2, 2000
