ATC code N
| ATC code N: Nervous system | 
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| ATCvet only | 
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| Other ATC codes | 
ATC code N Nervous system is a section of the Anatomical Therapeutic Chemical Classification System, a system of alphanumeric codes developed by the World Health Organization (WHO) for the classification of drugs and other medical products.[1][2][3][4]
Codes for veterinary use (ATCvet codes) can be created by placing the letter Q in front of the human ATC code: for example, QN.[5] ATCvet codes without corresponding human ATC codes are cited with the leading Q in the following list.
National issues of the ATC classification may include additional codes not present in this list, which follows the WHO version.
References
- ↑ "ATC (Anatomical Therapeutic Chemical Classification System) – Synopsis". National Institutes of Health. Retrieved 1 February 2020.
 - ↑ World Health Organization. "Anatomical Therapeutic Chemical (ATC) Classification". World Health Organization. Retrieved 3 January 2022.
 - ↑ "Structure and principles". WHO Collaborating Centre for Drug Statistics Methodology. 15 February 2018. Retrieved 3 January 2022.
 - ↑ "ATC/DDD Index 2022: code N". WHO Collaborating Centre for Drug Statistics Methodology.
 - ↑ "ATCvet Index 2022: code QN". WHO Collaborating Centre for Drug Statistics Methodology.
 
Major chemical drug groups – based upon the Anatomical Therapeutic Chemical Classification System  | |
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| gastrointestinal tract / metabolism (A)  | |
| blood and blood forming organs (B)  | |
| cardiovascular system (C)  | |
| skin (D) | |
| genitourinary system (G)  | |
| endocrine system (H)  | |
| infections and infestations (J, P, QI)  | |
| malignant disease (L01–L02)  | |
| immune disease (L03–L04)  | |
| muscles, bones, and joints (M)  | |
| brain and nervous system (N)  | 
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| respiratory system (R)  | |
| sensory organs (S) | |
| other ATC (V) | |
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| Inhalational | 
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| Injection | 
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| Esters by acid | 
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| Amides | |||||||
| Combinations | |||||||
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Antimigraine preparations (N02C)  | |||||||||||||||||
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| Analgesic/abortive | 
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| Prophylactic | 
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| GABAergics | 
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| Channel modulators  | 
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| Others | 
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| Dopaminergics | 
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| Anticholinergics | |||||||||||
| Others | 
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| D1-like | 
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| D2-like | 
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| Typical | 
 
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| Disputed | |
| Atypical | 
 
 
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| Others | 
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| 5-HT1ARTooltip 5-HT1A receptor agonists | |
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| GABAARTooltip GABAA receptor PAMsTooltip positive allosteric modulators | 
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| Hypnotics | |
| Gabapentinoids (α2δ VDCC blockers)  | |
| Antidepressants | 
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| Antipsychotics | |
| Sympatholytics (Antiadrenergics)  | 
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| Others | |
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| GABAA | 
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| GABAB | |||||||||||||||||||||||||
| H1 | 
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| α2-Adrenergic | 
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| 5-HT2A | 
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| Melatonin | |||||||||||||||||||||||||
| Orexin | |||||||||||||||||||||||||
| α2δ VDCC | |||||||||||||||||||||||||
| Others | 
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N06BA Centrally acting sympathomimetics  | |||||||||
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N06BC Xanthine derivatives  | |||||||||
N06BX Other psychostimulants and nootropics  | |||||||||
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| AChE inhibitor medications | |
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| Other medications | |
| Experimental BACE inhibitors | |
Acetylcholine receptor modulators  | |||||||||||||||||||||||||
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Treatment of drug dependence (N07B)  | |
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| Nicotine dependence | 
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| Alcohol dependence | 
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| Opioid dependence | |
| Benzodiazepine dependence | 
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