$0 Co-Pay $0 Co-Pay on Sustiva® prescriptions for most eligible patients. Call to sign up for the Co-Pay Assist Program. The program will cover up to $7,500 per year with no monthly limit. You Might Also Like Pay As Little As $25 December 29, 2021 Savings Program June 29, 2018 Pay As Little As $30 Per Prescription December 28, 2021
