What should I avoid while using methadone?

Do not drink alcohol. Dangerous side effects or death could occur.

Avoid driving or hazardous activity until you know how this medicine will affect you. Dizziness or drowsiness can cause falls, accidents, or severe injuries.

Grapefruit may interact with this medicine and cause side effects. Avoid consuming grapefruit products.

There are many dangerous drug interactions with methadone. Tell your prescribing doctor about all medications that you take. See “What other drugs will affect methadone?” section below.