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.
The Best Sciatica Relief Exercises. The best sciatica relief exercises can help you reduce your pain, shorten the healing process, help maintain your improvement and prevent recurrences. Sciatica pain can be unbearable. This severe pain can cause more reactive spasm, which in turn can cause more pain.