What is a narcotic by medical definition? By medical definition, narcotics are substances used to treat moderate to severe pain. In fact, the word ânarcoticâ is taken from the Greek word for âstuporâ. So, narcotic originally referred to substances that dull the senses and relieve pain.
The types of drugs that might be prescribed for sciatica pain include: 1  Anti-inflammatories. 2  Muscle relaxants. 3  Narcotics. Tricyclic antidepressants.  Anti-seizure medications.
There are several nonsurgical sciatica treatments that can be used for pain relief. Watch Sciatica Treatment Video. The process of finding relief from low back pain and leg pain associated with sciatica can often require some trial and error. Some patients may find certain treatments more effective than others.