1) electromyography (EMG)
2) nerve conduction velocity (NCV)
3) blood electrolytes like calcium, magnesium, potassium, sodium, etc
4) thyroid and parathyroid function tests
5) blood chemistry and complete metabolic profile
The common causes can be;
1) Idiopathic; no cause is ascertained and majority falls in this group.
2) Increased caffeine intake
3) Increased alcohol intake
5) Deficiency in diet and nutrients / minerals
6) Some neurological diseases; uncommon.
Following may help you;
a) Stretching exercises.
b) Coconut water.
c) Gatorade / sports drinks.
d) Avoiding cola drinks (if you do).
I would be happy to assist you further, if you need any more information.
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