One of the drugs that have emerged in the last few years to reduce cravings in opioid addicts is

Patients will use medications to re-establish traditional brain functions and reduce cravings. Medicines are accessible to the patients for treatment of opioid, tobacco, and white plague.

One of the drugs that have emerged in the last few years to help reduce cravings in opioid addicts is Methadone.

There are some other drugs available to treat such addicts. For example, buprenorphine, and naltrexone are also used to treat opioid addiction.
Methadone and buprenorphine controls the withdrawal symptoms and provides relief to patients facing cravings. 

To wear the full equipment.