Causes of acute flaccid paralysis

Infectious

Poliomyelitis

Vaccine-associated paralytic polio

Vaccine-derived poliomyelitis

Nonpolio enteroviruses

West Nile virus

Diphtheria

Myelopathic

Postinfectious transverse myelitis

Anti-MOG associated myelitis

Anti-AQP4 associated myelitis

Arterial or venous spinal cord infarction

Compression from spinal abscess, hemorrhage, or tumor

Neuropathic

Guillain-Barré syndrome

Acquired motor axonal neuropathy

Acquired motor sensory axonal neuropathy

Mononeuritis multiplex

Multifocal motor neuropathy

Acute intermittent porphyria

Toxic neuropathies

Disorders of neuromuscular transmission

Myasthenia gravis

Lambert-Eaton myasthenic syndrome

Botulism

Tick paralysis

Myopathic

Inflammatory myopathy

Rhabdomyolysis

Carnitine deficiency

Periodic paralysis

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