The drugs that interact moderately with methadone contains some types of pain medications such as nalbuphine, pentazocine, and butorphanol, naltrexone, MAO inhibitors such as isocarboxazid, linezolid, methylene blue, moclobemide, phenelzine, procarbazine, rasagiline, safinamide, selegiline, and tranylcypromine.

https://recoverypartnernetwork.com/drug/opioid/methadone-addiction