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                                                                    EXHIBIT 23.5
 
                         INDEPENDENT AUDITORS' CONSENT
 
   
     We consent to the incorporation by reference in Amendment No. 1 to the
Registration Statement of Biovail Corporation International on Form F-3 of our
report dated February 21, 1997, appearing in the Annual Report on Form 20-F of
Biovail Corporation International for the year ended December 31, 1996 and to
the use in Amendment No. 1 to the Registration Statement of Intelligent Polymers
Limited on Form F-1 of our report dated September 9, 1997 appearing in the
Prospectus, which is part of this Registration Statement. We also consent to the
reference to us under the heading "Experts" in the Prospectus, which is part of
this Registration Statement.
    
 
/s/  DELOITTE & TOUCHE
DELOITTE & TOUCHE
Toronto, Canada
   
October 6, 1997