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10-K - 10-K - IRONWOOD PHARMACEUTICALS INCa2227342z10-k.htm
EX-31.1 - EX-31.1 - IRONWOOD PHARMACEUTICALS INCa2227342zex-31_1.htm
EX-32.2 - EX-32.2 - IRONWOOD PHARMACEUTICALS INCa2227342zex-32_2.htm
EX-32.1 - EX-32.1 - IRONWOOD PHARMACEUTICALS INCa2227342zex-32_1.htm
EX-21.1 - EX-21.1 - IRONWOOD PHARMACEUTICALS INCa2227342zex-21_1.htm
EX-31.2 - EX-31.2 - IRONWOOD PHARMACEUTICALS INCa2227342zex-31_2.htm
EX-10.13 - EX-10.13 - IRONWOOD PHARMACEUTICALS INCa2227342zex-10_13.htm
EX-10.12.2 - EX-10.12.2 - IRONWOOD PHARMACEUTICALS INCa2227342zex-10_122.htm

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EXHIBIT 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

        We consent to the incorporation by reference in the following Registration Statements (Form S-3 Nos. 333-179430 and 333-199885 and Form S-8 Nos. 333-165227, 333-165228, 333-165229, 333-165230, 333-165231, 333-184396, 333-189339, 333-189340, 333-197874, 333-197875, 333-206227, and 333-206228) of Ironwood Pharmaceuticals, Inc. and in the related Prospectuses of our reports dated February 19, 2016, with respect to the consolidated financial statements of Ironwood Pharmaceuticals, Inc., and the effectiveness of internal control over financial reporting of Ironwood Pharmaceuticals, Inc., included in this Annual Report (Form 10-K) for the year ended December 31, 2015.

    /s/ Ernst & Young LLP

Boston, Massachusetts
February 19, 2016




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CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM