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EXHIBIT 23.1
INDEPENDENT AUDITOR'S CONSENT
AVANIR Pharmaceuticals:
We consent to the incorporation by reference in this Registration Statement of
AVANIR Pharmaceuticals, (a development stage enterprise) (the "Company") on Form
S-8 of our report dated December 21, 1999 (which report expresses an unqualified
opinion and includes explanatory paragraphs relating to the status of the
Company as a development stage enterprise, the Company's ability to continue as
a going concern, and the Company as a defendant in certain lawsuits), appearing
in the Annual Report on Form 10-K of AVANIR Pharmaceuticals for the year ended
September 30, 1999.
DELOITTE & TOUCHE LLP
San Diego, California
May 30, 2000