Pay $0 Co-Pay Per Fill Commercially insured patients may pay a $0 co-pay on their Zoladex prescriptions by signing up for the Zoladex Co-pay Card. You Might Also Like $25 Rebate July 3, 2018 Pay No More Than $40 Per Rx Fill July 3, 2018 Pay No More Than $10 Per Month July 3, 2018