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.
Your doctor may refer you to a physical therapist to help you relieve your sciatica and restore movement. Physical therapy includes both passive and active treatments. Passive treatments help to relax you and your body. They also prepare your body for therapeutic exercise, which is the active part of physical therapy.