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Sandra asked...

Why do I suffer with cramp so much?

I would like to know why I get a lot of cramp in my feet and legs, it can be very painful. I can be lying on sofa or even in bed and it just comes on.

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The answer

Cramp is very common, particularly in the calves. It is due to the build-up of lactic acid (the waste product of muscle metabolism) in large muscles such as those of the calves and, for some reason, is particularly common at night. Probably, inactivity of the muscles means that the pumping action of the muscle doesn't remove the lactic acid in the usual way. The first thing to try is to increase your level of activity but if this doesn't work or is not an option, then a prescription for quinine from your GP can make all the difference.

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