Muscle cramps

Muscle cramps 
By Dr. Kanthimathi 

Muscle cramp is a sudden involuntary contraction of one or more muscles.  
It is mostly harmless and usually 
disappears on its own after a few seconds  or a minute. When the pain is serious and prolonged  you may need doctor's consultation.

Causes: (in many cases, cause is not known)
Known causes are:
-Dehydration 
-Muscle strain 
-Overuse of muscles
-Holding a position for a long period 
-Mineral depletion (potassium, calcium and magnesium )
-Inadequate blood supply due to narrowing of arteries 
-Nerve compression 
-Medical conditions like diabetes,
-thyroid and liver disorders 
-Diuretics medication 
-Pregnancy 

Prevention:
-Avoid dehydration 
-Muscle stretching before and after doing exercises , and before going to sleep 

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