Anatomical Therapeutic Chemical • N04AA01 • trihexyphenidyl

A Alimentary tract and metabolism

B Blood and blood forming organs

C Cardiovascular system

D Dermatologicals

G Genito urinary system and sex hormones

H Systemic hormonal preparations, excluding sex hormones and insulins

J Antiinfectives for systemic use

L Antineoplastic and immunomodulating agents

M Musculo-skeletal system

N Nervous system

N01 Anesthetics

N02 Analgesics

N03 Antiepileptics

N04 Anti-parkinson drugs

N04A Anticholinergic agents

N04AA Tertiary amines

N04AA01 trihexyphenidyl

N04AA02 biperiden

N04AB Ethers chemically close to antihistamines

N04AC Ethers of tropine or tropine derivatives

N04B Dopaminergic agents

N04C Other antiparkinson drugs

N05 Psycholeptics

N06 Psychoanaleptics

N07 Other nervous system drugs

P Antiparasitic products, insecticides and repellents

R Respiratory system

S Sensory organs

V Various