Exhibit 23

Consent of Independent Registered Public Accounting Firm

Perrigo Profit-Sharing and Investment Plan

Allegan, Michigan

We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (Nos. 33-46262 and 333-141101) of our report dated June 23, 2011, relating to the financial statements and supplemental schedule of the Perrigo Profit-Sharing and Investment Plan which appear in this Form 11-K.

/s/BDO USA, LLP

BDO USA, LLP

Grand Rapids, MI

June 23, 2011