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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.

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.

ATC code	Name	DDD	U	Adm.R	Note
N03AX03	sultiame	0.4	g	O
N03AX07	phenacemide	1.5	g	O
N03AX09	lamotrigine	0.3	g	O
N03AX10	felbamate	2.4	g	O
N03AX11	topiramate	0.3	g	O
N03AX13	pheneturide
N03AX14	levetiracetam	1.5	g	O
		1.5	g	P
N03AX15	zonisamide	0.2	g	O
N03AX17	stiripentol	1	g	O
N03AX18	lacosamide	0.3	g	O
		0.3	g	P
N03AX19	carisbamate
N03AX21	retigabine	0.9	g	O
N03AX22	perampanel	8	mg	O
N03AX23	brivaracetam	0.1	g	O
		0.1	g	P
N03AX24	cannabidiol	0.7	g	O
N03AX25	cenobamate	0.2	g	O
N03AX26	fenfluramine	8	mg	O
N03AX27	ganaxolone
N03AX30	beclamide

List of abbreviations