New search    Hide text from Guidelines

This group comprises preparations used in the treatment of epilepsy.
Combined preparations are classified at separate 5th levels using the corresponding 50-series.
The group is subdivided according to chemical structure.

N03AA Barbiturates and derivatives

Barbiturates used mainly as hypnotics/sedatives are classified in N05C - Hypnotics and sedatives.
Phenobarbital, which is used both as an antiepileptic and as a sedative, is classified in this group.
Combinations with phenytoin are classified in N03AB.

N03AB Hydantoin derivatives

Combinations of phenytoin and barbiturates are classified in this group.

N03AC Oxazolidine derivatives
N03AD Succinimide derivatives
N03AE Benzodiazepine derivatives

Clonazepam is classified in this group.
All other benzodiazepines are classified as anxiolytics in N05B (e.g. diazepam) or hypnotics/sedatives in N05C (e.g. midazolam).

N03AF Carboxamide derivatives
N03AG Fatty acid derivatives
N03AX Other antiepileptics

This group comprises antiepileptics, which cannot be classified in the preceding groups.
Fenfluramine indicated for the treatment of seizures associated with Dravet syndrome is classified here.
Gabapentin and pregabalin are classified in N02BF Gabapentinoids.