Methadone maintenance treatment has important benefits for addicted individuals and for society.

• Reduced or stopped use of injection drugs.
• Reduced risk of overdose and of acquiring or transmitting diseases such as HIV, hepatitis B or C, bacterial infections, endocarditis, soft tissue infections, thrombophlebitis, tuberculosis, and STDs.
• Reduced mortality – the median death rate of opiate-dependent individuals in MMT is 30 percent of the rate of those not in MMT.
• Possible reduction in sexual risk behaviors, although evidence on this point is conflicting.
• Reduced Criminal Activity.
• Improved family stability.
• Employment Potential.
• Improved Pregnancy Outcomes.