Drug-induced myotonia

Description

Drug-induced myotonia refers to the myotonia-inducing effects of certain drugs. Hypocholesterolaemic agents may induce myotonia by altering the sterol composition of the muscle cell membrane, while other drugs including beta-adrenergic blockers and agonists, succinylcholine and diuretics may exacerbate or unmask pre-existing myotonia.

Index terms

Drug-induced myotonia
drug myotonia
medicament-induced myotonia

Excludes

http://id.who.int/icd/entity/1159616108 – Secondary myopathies
http://id.who.int/icd/entity/1425591047 – Myasthenia gravis or certain specified neuromuscular junction disorders

Exclusions from above levels

http://id.who.int/icd/entity/155258022 – Metabolic disorders
LD26.41 – Arthrogryposis multiplex congenita
05 – Endocrine, nutritional or metabolic diseases

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18 – Complications of pregnancy, childbirth and the puerperium
19 – Certain conditions originating in the perinatal period
22 – Injury, poisoning or certain other consequences of external causes

Sibling codes

8C71.0 – Myotonic dystrophy
8C71.1 – Chondrodystrophic myotonia
8C71.2 – Myotonia congenita
8C71.4 – Neuromyotonia
8C71.5 – Pseudomyotonia
8C71.Y – Other specified myotonic disorders
8C71.Z – Myotonic disorders, unspecified

Foundation entity

Drug-induced myotonia – http://id.who.int/icd/entity/40657776

Allowed postcoordination axes

associatedWith

Part of: 8C71: Myotonic disorders › 08: Diseases of the nervous system