ATC codes
M Musculo-skeletal system
M01 Anti-inflammatory and antirheumatic products
M02 Topical products for joint and muscular pain
M03 Muscle relaxants
M04 Antigout preparations
M05 Drugs for treatment of bone diseases
M09 Other drugs for disorders of the musculo-skeletal system
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ATC code M03 Muscle relaxants is a therapeutic subgroup of the Anatomical Therapeutic Chemical Classification System, a system of alphanumeric codes developed by the WHO for the classification of drugs and other medical products. Subgroup M03 is part of the anatomical group M Musculo-skeletal system.^[1]

Codes for veterinary use (ATCvet codes) can be created by placing the letter Q in front of the human ATC code: QM03...^[2] ATCvet codes without corresponding human ATC codes are cited with the leading Q in the following list.

Contents 1 M03A Muscle relaxants, peripherally acting agents 1.1 M03AA Curare alkaloids 1.2 M03AB Choline derivatives 1.3 M03AC Other quaternary ammonium compounds 1.4 M03AX Other muscle relaxants, peripherally acting agents 2 M03B Muscle relaxants, centrally acting agents 2.1 M03BA Carbamic acid esters 2.2 M03BB Oxazol, thiazine, and triazine derivatives 2.3 M03BC Ethers, chemically close to antihistamines 2.4 M03BX Other centrally acting agents 3 M03C Muscle relaxants, directly acting agents 3.1 M03CA Dantrolene and derivatives 4 References

[edit] M03A Muscle relaxants, peripherally acting agents

[edit] M03AA Curare alkaloids

M03AA01 Alcuronium

M03AA02 Tubocurarine

M03AA04 Dimethyltubocurarine

[edit] M03AB Choline derivatives

M03AB01 Suxamethonium

[edit] M03AC Other quaternary ammonium compounds

M03AC01 Pancuronium

M03AC02 Gallamine

M03AC03 Vecuronium

M03AC04 Atracurium

M03AC05 Hexafluronium

M03AC06 Pipecuronium bromide

M03AC07 Doxacurium chloride

M03AC08 Fazadinium bromide

M03AC09 Rocuronium bromide

M03AC10 Mivacurium chloride

M03AC11 Cisatracurium

[edit] M03AX Other muscle relaxants, peripherally acting agents

M03AX01 Botulinum toxin

[edit] M03B Muscle relaxants, centrally acting agents

[edit] M03BA Carbamic acid esters

M03BA01 Phenprobamate

M03BA02 Carisoprodol

M03BA03 Methocarbamol

M03BA04 Styramate

M03BA05 Febarbamate

M03BA51 Phenprobamate, combinations excluding psycholeptics

M03BA52 Carisoprodol, combinations excluding psycholeptics

M03BA53 Methocarbamol, combinations excluding psycholeptics

M03BA71 Phenprobamate, combinations with psycholeptics

M03BA72 Carisoprodol, combinations with psycholeptics

M03BA73 Methocarbamol, combinations with psycholeptics

QM03BA99 Combinations

[edit] M03BB Oxazol, thiazine, and triazine derivatives

M03BB02 Chlormezanone

M03BB03 Chlorzoxazone

M03BB52 Chlormezanone, combinations excluding psycholeptics

M03BB53 Chlorzoxazone, combinations excluding psycholeptics

M03BB72 Chlormezanone, combinations with psycholeptics

M03BB73 Chlorzoxazone, combinations with psycholeptics

[edit] M03BC Ethers, chemically close to antihistamines

M03BC01 Orphenadrine (citrate)

M03BC51 Orphenadrine, combinations

[edit] M03BX Other centrally acting agents

M03BX01 Baclofen

M03BX02 Tizanidine

M03BX03 Pridinol

M03BX04 Tolperisone

M03BX05 Thiocolchicoside

M03BX06 Mephenesin

M03BX07 Tetrazepam

M03BX08 Cyclobenzaprine

M03BX30 Phenyramidol

QM03BX90 Guaifenesin

[edit] M03C Muscle relaxants, directly acting agents

[edit] M03CA Dantrolene and derivatives

M03CA01 Dantrolene

[edit] References

v • d • e Skeletal muscle relaxants (M03) Peripherally acting (primarily antinicotinic, NMJ blocking) Non-depolarising Curare alkaloids Alcuronium · Dimethyltubocurarine · Tubocurarine 4° ammonium short duration: Mivacurium intermediate: Atracurium/Cisatracurium · Fazadinium · Rocuronium (short onset) · Vecuronium long: Doxacurium · Metocurine · Pancuronium · Pipecuronium unsorted: Gallamine · Hexafluronium Depolarising choline derivatives (Suxamethonium, Succinylcholine) · Decamethonium ACh release inhibitors Botulinum toxin Centrally acting Carbamic acid esters Carisoprodol · Febarbamate · Meprobamate · Methocarbamol · Phenprobamate · Styramate · Tybamate Benzodiazepines Bentazepam · Diazepam · Lorazepam · Nitrazepam · Tetrazepam Anticholinergics (Antimuscarinics) Cyclobenzaprine · Orphenadrine · Trazadone Other Baclofen · Chlormezanone · Chlorphenesin • Chlorzoxazone · Donepezil · Mephenesin · Mephenoxalone · Metaxalone · Phenyramidol · Pridinol · Promoxolane · Quinine · Thiocolchicoside · Tizanidine · Tolperisone Directly acting Dantrolene