Exhibit 23.2

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in this Registration Statement on
Form S-3 of our report dated December 13, 2004, relating to the consolidated
financial statements of AVANIR Pharmaceuticals and subsidiary, appearing in the
Annual Report on Form 10-K of AVANIR Pharmaceuticals for the year ended
September 30, 2004 and to the reference to us under the heading "Experts" in the
Prospectus, which is part of this Registration Statement.

/s/ Deloitte & Touche LLP

San Diego, California
April 21, 2005