Muscle twitching: Difference between revisions

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'''Muscle spasms''' can be described as an experience where one undergoes a sudden involuntary contraction of a muscle, a group of muscles, or a hollow organ such as a heart, or a similarly sudden contraction of an orifice.  
'''Muscle spasms''' can be described as an experience where one undergoes a sudden involuntary contraction of a muscle or a group of muscles.


The term most commonly refers to a muscle cramp which may or may not be accompanied by a sudden burst of pain, but is usually harmless and ceases after a few minutes. There are a variety of other causes of involuntary muscle contractions, which may be more serious, depending on the cause.
The term most commonly refers to a muscle cramp which may be accompanied by a sudden burst of pain, but is usually harmless and ceases after a few minutes. There are a variety of other causes of involuntary muscle contractions which may be more serious, depending on the cause.
===Psychoactive substances===
===Psychoactive substances===
Compounds within our [[psychoactive substance index]] which may cause this effect include:
Compounds within our [[psychoactive substance index]] which may cause this effect include: