EXHIBIT 32.0

CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Each of the undersigned hereby certifies, in his capacity as an officer of Barr Pharmaceuticals, Inc. (the “Company”), for the purposes of 18 U.S.C. §1350, as adopted pursuant to §906 of the Sarbanes-Oxley Act of 2002, that to the best of his knowledge:

(1) The Annual Report of the Company on Form 10-K for the period ended December 31, 2007 fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Transition Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Dated: February 29, 2008

/s/Bruce L. Downey

Bruce L. Downey

Chief Executive Officer

/s/William T. McKee

William T. McKee

Chief Financial Officer

A signed original of this written statement required by Section 906 has been provided to Barr Pharmaceuticals, Inc. and will be retained by Barr Pharmaceuticals, Inc. and furnished to the Securities and Exchange Commission or its staff upon request.