M03A Muscle relaxants, peripherally acting agents
M03AA Curare alkaloids
:M03AA01 Alcuronium
:M03AA02 Tubocurarine
:M03AA04 Dimethyltubocurarine
M03AB Choline derivatives
:M03AB01 Suxamethonium
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
M03AX Other muscle relaxants, peripherally acting agents
:M03AX01 Botulinum toxin
M03B Muscle relaxants, centrally acting agents
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
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
M03BC Ethers, chemically close to antihistamines
:M03BC01 Orphenadrine (citrate)
:M03BC51 Orphenadrine, combinations
M03BX Other centrally acting agents
:M03BX01 Baclofen
:M03BX02 Tizanidine
:M03BX03 Pridinol
:M03BX04 Tolperisone
:M03BX05 Thiocolchicoside
:M03BX06 Mephenesin
:M03BX07 Tetrazepam
:M03BX08 Cyclobenzaprine
:M03BX09 Eperisone
:M03BX30 Phenyramidol
:M03BX53 Pridinol, combinations
:M03BX55 Thiocolchicoside, combinations
:QM03BX90 Guaifenesin
M03C Muscle relaxants, directly acting agents
M03CA Dantrolene and derivatives
:M03CA01 Dantrolene