Exhibit 23.1 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in the Registration Statements on Form S-3 (Nos. 333-41048, 333-45002, 333-85304, 333-108246 and 333-113894) and on Form S-8 (Nos. 333-46562, 333-61558, 333-82468, 333-58146, 333-85302, 333-102619 and 333-112614) of Connetics Corporation of our report dated April 16, 2004 relating to the financial statements of the Soriatane product line of Hoffmann-La Roche Inc. as of December 31, 2003 and 2002 and for each of the three years ended December 31, 2003, which appears in this Current Report on Form 8-K/A of Connetics Corporation dated March 4, 2004. /s/ PricewaterhouseCoopers LLP Florham Park, New Jersey April 30, 2004