EXHIBIT 23.1 CONSENT OF DELOITTE & TOUCHE LLP INDEPENDENT AUDITORS' CONSENT We consent to the incorporation by reference in this Registration Statement of OXIS International, Inc. (formerly DDI Pharmaceuticals, Inc.) and subsidiaries on Form S-3, as amended, of our report dated March 7, 1996, which included an explanatory paragraph relating to the Company's ability to continue as a going concern, appearing in the Annual Report on Form 10-K of OXIS International, Inc. for the year ended December 31, 1995, and to the reference to us under the heading "Experts" in the Prospectus, which is part of this Registration Statement. DELOITTE & TOUCHE LLP Portland, Oregon July 29, 1996