I'd make sure you have electrolytes checked. Calcium derangements can cause this severe cramping...called tetany.
Low Vit D levels, lead to low calcium. Also low magnesium will do this.
There can be a tumor on the parathyroid glands, and this will cause severe spasms too. Tapping the side of the face... near the ear will cause spasms on that side of the face when calcium levels are too low.
http://en.wikipedia.org/wiki/Chvostek_sign
images:
https://www.google.com/search?q=chvo...iw=981&bih=662
http://www.bmj.com/content/336/7656/1298
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Weezie looking at petunias 8.25.2017
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