Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the use in this Registration Statement on Form S-1 of NovaBay Pharmaceuticals, Inc. (formerly NovaCal Pharmaceuticals, Inc.) of our report dated February 15, 2007 (except as to Note 14, which is as of April 18, 2007) appearing in the Prospectus, which is part of such Registration Statement, and to the reference of us under the heading “Experts” in such Prospectus.
| /s/ Davidson & Company LLP | ||||
| Chartered Accountants | ||||
| Vancouver, Canada | ||||
| April 18, 2007 | ||||
