Hyporeflexia

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Carlos A Lopez, M.D. [2]

Causes

Life Threatening Causes

Life-threatening causes include conditions which may result in death or permanent disability within 24 hours if left untreated.

Causes by Organ System

Cardiovascular	Stroke
Chemical / poisoning	Aftershave, barium sulfate, selenious acid, cone shell poisoning, erythrokeratodermia ataxia, eucalyptus oil poisoning, licorice, herbal agent overdose cleistanthus collinus, opioid intoxication, oriental hornet poisoning , snakebites, sea snake poisoning , white chameleon poisoning
Dermatologic	Vitamin E deficiency
Drug Side Effect	All-trans retinoic acid, cevimeline, clonidine, fluphenazine, imidazoline, lamotrigine, vincristine,lorazepam, nelarabine, oxazepam, oxcarbazepine, perphenazine, phenothiazine, prochlorperazine, saquinavir, thioridazine, tiagabine, trifluoperazine, venlafaxine, vigabatrin, zaleplon
Ear Nose Throat	ARTS syndrome
Endocrine	Hypokalemic thyrotoxic periodic paralysis,
Environmental	No underlying causes
Gastroenterologic	Chylomicron retention disease
Genetic	deficiency of Nadh coq reductase, Lambert-eaton myasthenic syndrome, Leigh syndrome, Lower motor neuron lesion, Marinesco-sjogren syndrome, Maternally inherited leigh syndrome, Mcleod phenotype, Mental retardation, x-linked, 94, Metaphyseal chondrodysplasia, Microcephaly -- mental retardation -- retinopathy , Miller fisher syndrome, Mitochondrial encephalomyopathy, Multifocal motor neuropathy with conduction block, Navajo neurohepatopathy , Neuroaxonal dystrophy -- renal tubular acidosis , Neuroaxonal dystrophy, infantile , Neuronal intranuclear hyaline inclusion disease , Neuropathy, distal hereditary motor, type viia , Non-ketotic hyperglycemia , Pena-shokeir syndrome type 2 , Progressive external opthhalmoplegia, autosomal dominant, 1 , Roussy-levy syndrome, Smith-magenis syndrome , Southwestern athabaskan genetic diseases , Spastic tetraplegic -- cerebral palsy , Spinal bulbar motor neuropathy , Spinal muscular atrophy type 4, Spinocerebellar ataxia,
Hematologic	No underlying causes
Iatrogenic	No underlying causes
Infectious Disease
Musculoskeletal / Ortho
Neurologic
Nutritional / Metabolic
Obstetric/Gynecologic	No underlying causes
Oncologic
Ophthalmologic	No underlying causes
Overdose / Toxicity	No underlying causes
Psychiatric
Pulmonary
Renal / Electrolyte
Rheum / Immune / Allergy	No underlying causes
Sexual	No underlying causes
Trauma	No underlying causes
Urologic	No underlying causes
Miscellaneous

See also

• Areflexia, the absence of reflexes, often it is caused by spinal shock.
• Hyperreflexia, exaggerated reflexes.

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