Approved medical uses
- Chronic pain from injuries or post-surgery.
- Chronic conditions like osteoarthritis of the knee and hip.
- Neuropathic pain (nerve pain).
- Chronic cancer pain, when milder painkillers are no longer effective.
- Binding to mu-opioid receptors in the brain, which blocks pain signals.
- Inhibiting the reuptake of the neurotransmitters serotonin and norepinephrine, which also helps control pain perception.








