Exhibit 23.1
CONSENT OF INDEPENDENT ACCOUNTANTS
We hereby consent to the incorporation by reference in this Post-Effective Amendment No. 3 to the Registration Statement on Form F-4 (No. 333-112314) of Sanofi-Aventis (formerly known as Sanofi-Synthelabo) of our report dated March 22, 2004, relating to the consolidated financial statements of Sanofi-Aventis, which appears in its Annual Report on Form 20-F for the year ended December 31, 2003. We also consent to the references to us under the headings “Summary Selected Historical Consolidated Financial Data of Sanofi-Aventis” and “Experts” in such Registration Statement.
PricewaterhouseCoopers Audit
/s/ Jacques Denizeau /s/ Jean-Christophe Georghiou
Represented by Jacques Denizeau and Jean-Christophe Georghiou
Paris, France