EX-23.1 4 v372138_ex23-1.htm EXHIBIT 23.1

Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

Synthetic Biologics, Inc.

Rockville, MD

We hereby consent to the incorporation by reference in the Registration Statements on Form S-3 (Nos. 333-180562, 333-189794, 333-188219 and 333-156973) and Form S-8 (Nos. 333-192355, 333-170858 and 333-148764) of our report dated March 31, 2014, relating to the consolidated financial statements of Synthetic Biologics, Inc., appearing in this Annual Report on Form 10-K of Synthetic Biologics, Inc. for the year ended December 31, 2013.

/s/ BDO USA, LLP |
BDO USA, LLP |
Troy, MI |
March 31, 2014 |