Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

Retrophin, Inc.

San Diego, California

We hereby consent to the incorporation by reference in the Registration Statements on Form S-­3 (Nos. 333-202861, 333-198648 and 333-198648) and Form S-8 (Nos. 333-218582, 333-213599, 333-206510 and 333-200224) of Retrophin, Inc. of our reports dated February 27, 2018, relating to the consolidated financial statements and the effectiveness of Retrophin, Inc.’s internal control over financial reporting, which appear in this Form 10-K.

/s/ BDO USA, LLP

New York, New York

February 27, 2018