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.
Family doctor. For most cases of sciatica, which are simple compressions of the sciatic nerve by either lower back muscles or disks in the back, a family doctor can treat the problem. Most general cases of sciatica resolve themselves on their own; doctors will occasionally prescribe exercise and anti-inflammatory medications to help with the pain.