EXHIBIT 23 WARNER-LAMBERT COMPANY AND CONSOLIDATED SUBSIDIARIES CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in the Prospectuses constituting part of the Registration Statements on Form S-3 (Registration Nos. 33-4049, 33-38725, 33-55692, 333-04353 and 333-51533) and to the incorporation by reference in the Registration Statements on Form S-8 (Registration Nos. 33-21123, 33-28375, 33-12209, 33-49244, 33-57918, 333-19311, 333-78643, 333-78645, and 333-78647) of Warner-Lambert Company of our report dated January 24, 2000, except for Note 6 for which the date is February 7, 2000, which appears on page 28 of this Form 10-K. We also consent to the use of our report on the Financial Statement Schedule, which appears on page 67 of this Form 10-K. PRICEWATERHOUSECOOPERS LLP 400 Campus Drive Florham Park, NJ 07932 March 28, 2000