Hyperreflexia
More common causes
Dystonia
Less common causes
Serotonin syndrome
Hartnup's disease
Friedreich's ataxia
Malaria infection
Gaucher disease
Uncommon causes
Behr syndrome
Neonatal epileptic encephalopathy due to glutaminase deficiency
Facial dysmorphism-developmental delay-behavioral abnormalities syndrome due to 10p11.21p12.31 microdeletion
Pharmacological causes
Almotriptan malate
Amphetamine sulfate sulfate
Artemether / lumefantrine
Clomipramine hydrochloride
Dextroamphetamine sulfate ER
Divalproex sodium DR
Divalproex sodium ER
Flurbiprofen
Fosphenytoin sodium
Granisetron hydrochloride
Hydromorphone hydrochloride
Hydromorphone hydrochloride ER
Lamotrigine
Lamotrigine XR
Leuprolide acetate
Lithium carbonate
Lithium carbonate ER
Lithium citrate
Lorazepam
Lorazepam ER
Penicillin G potassium
Phenelzine sulfate
Tranylcypromine sulfate
Valproate sodium
Valproic acid
Venlafaxine hydrochloride
Ziprasidone hydrochloride
Zonisamide