EX-23 2 c06334exv23.txt CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM EXHIBIT 23 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM Perrigo Company Allegan, Michigan We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (Registration No. 33-46262) of our report dated June 6, 2006 relating to the financial statements and supplemental schedule of Perrigo Company Profit-Sharing and Investment Plan appearing in this Form 11-K for the year ended December 31, 2005. /s/ BDO Seidman, LLP Grand Rapids, Michigan June 28, 2006