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According to the Mayo Clinic these are some known causes of leg cramps. As you can see alcoholism and dehydration are listed. I doubt that a couple of glasses of wine will cause them, but drinking water right before going to bed may help.
Read More. ALL of them cause him to have SEVERE LEG CRAMPS unless he drink ridiculous amounts of water. He has had the traditional rounds of prednisone and antibiotics, but to no avail. When he lays on his left side, he complains that he feels like there is a knot or mass in the area that is painful.