What is Myoclonus?
[[File:Myoclonus-following-a-Peripheral-Nerve-Block-213472.f1.ogv|thumb|Myoclonus after a [[peripheral nerve block]]]] '''Myoclonus''' is a rapid involuntary twitching of [[muscle]]s. Myocloni are a [[Side-effect|side effect]] of many [[Neurological disorder|neurological conditions]], but they can also happen in healthy people. As an example, twitching muscles when [[Hypnic jerk|falling asleep]] are normal. Mycloni are a common symptom of [[epilepsy]]. Other less common diseses that provoke myocloni include [[encephalitis]], [[Tic]]s, and certain types of [[porphyria]]. Certain [[analgesic]]s can provoke myocloni. {{-}} {{med-stub}} [[Category:Medical signs]]