https://www.mayoclinic.org/diseases-conditions/muscle-cramp/symptoms-causes/syc-20350820

Jan 3, 2019 ... If you've ever been awakened in the night or stopped in your tracks by a sudden charley horse, you know that muscle cramps can cause severe ...

https://www.medicinenet.com/muscle_spasms/article.htm

Dehydration: A Common Cause of Muscle Cramps ..... For those having pain from smooth muscle spasm, the pain may be severe enough to present to an ...

https://www.spine.org/KnowYourBack/Conditions/Other/Muscle-Spasms

Recurrent, widespread, or chronic muscle spasms may signify a more significant ... For instance, a severe muscle spasm can result from irritation or damage to ...

https://www.womenshealthmag.com/health/a19950167/muscle-spasm-health-issue/

Oct 19, 2017 ... Is it just a run-of-the-mill charley horse, or is your muscle spasm a sign of ... If you' re experiencing prolonged, horrible pain that's impacting your ...

https://www.merckmanuals.com/professional/neurologic-disorders/symptoms-of-neurologic-disorders/muscle-cramps

Dystonias can cause muscle spasm, but symptoms are usually more sustained and recurrent and involve muscles other than those affected by typical leg ...

https://www.merckmanuals.com/home/brain,-spinal-cord,-and-nerve-disorders/symptoms-of-brain,-spinal-cord,-and-nerve-disorders/muscle-cramps

A cramp is a sudden, brief, unintended (involuntary), and usually painful contraction of a muscle or group of muscles. Muscle cramps can be a symptom of  ...

https://www.ncbi.nlm.nih.gov/books/NBK376/

Muscle cramp denotes an episodic, involuntary, painful contraction of a muscle. Muscle spasm is a ... Ordinary cramps last from seconds to several minutes if severe. Fleeting twitches or prolonged contractions suggest another type of disorder.

https://www.herbologydispensary.com/severe-persisten-muscle-spasms/

Severe or Persistent Muscle Spasms. There are roughly 650 named skeletal muscles in the human body. As you can imagine, not all of them work properly at all ...

https://orthoinfo.aaos.org/en/diseases--conditions/muscle-cramps

If you have ever experienced a charley horse, you probably still remember the sudden, tight and intense pain caused by a muscle locked in spasm.

https://my.clevelandclinic.org/health/diseases/15466-muscle-spasms

Muscle spasms range in intensity from mild twitches to severe pain. ... Spasms may typically last from seconds to 15 minutes or longer, and may recur multiple ...